Sitemap · 385+ tools
Every tool, one place
A complete, searchable directory across finance, health, math and developer utilities. Live tools open instantly; everything else is on the roadmap.
📊 Calculators (204)
Financial
75 toolsFMortgage Calculatormortgage calculator. Estimate your monthly payment — principal, interest, property tax, insurance…FLoan Calculatorloan calculator. Find your monthly payment, total interest and total cost for any fixed-rate loan —…FAuto Loan CalculatorEstimate your monthly car payment from price, down payment, trade-in, sales tax, term, and rate.…FInterest CalculatorCalculate interest earned on a principal over time with regular contributions and compounding. See…FPayment CalculatorSolve a loan's monthly payment from amount, rate and term, or flip it to find the payoff term…FRetirement CalculatorProject your retirement nest egg from current age, savings, monthly contributions and expected…FAmortization CalculatorCalculate your monthly loan payment, total interest, and total paid. See an amortization summary…FInvestment CalculatorProject the future value of an investment from a starting amount, recurring contributions, return…FCurrency CalculatorConvert any amount with your own exchange rate. Enter amount and rate, flip direction, and see the…FInflation CalculatorSee how inflation changes the value of money over time. Find the future cost of today's dollars and…FFinance CalculatorTime Value of Money solver. Enter any four of periods, rate, present value, payment, and future…FMortgage Payoff CalculatorSee how extra monthly payments shorten your mortgage. Enter balance, rate, remaining term and an…FIncome Tax CalculatorEstimate US federal income tax from taxable income and filing status using 2024 brackets. Shows…FCompound Interest CalculatorCalculate compound interest growth with A=P(1+r/n)^(nt) plus optional recurring contributions. See…FSalary CalculatorConvert pay between hourly, daily, weekly, biweekly, monthly and annual. Set hours per week and…F401K CalculatorProject your 401(k) balance at retirement from salary, contribution %, employer match, return rate…FInterest Rate CalculatorFind the interest rate and APR of a loan from its amount, monthly payment, and term. Uses bisection…FSales Tax CalculatorCalculate sales tax and total from a price and tax rate, or work backward from a total to find the…FHouse Affordability CalculatorEstimate the maximum home price you can afford from your income, monthly debts, down payment,…FSavings CalculatorProject the future value of your savings from an initial amount, monthly deposits, interest rate…FRent CalculatorFind how much rent you can afford from your income. Uses the 30% rule plus conservative 28% and…FMarriage Tax CalculatorCompare US federal income tax filing jointly vs. as two singles using 2024 brackets to reveal your…FEstate Tax CalculatorEstimate federal estate tax: subtract the exemption (2024 ~$13.61M) from your estate, then apply…FPension CalculatorEstimate your annual and monthly pension from years of service, a benefit multiplier, and your…FSocial Security CalculatorEstimate your monthly Social Security benefit from average indexed monthly earnings using the 2024…FAnnuity CalculatorCalculate the future value and present value of an annuity from your payment, interest rate, and…FAnnuity Payout CalculatorFind the periodic annuity payout that fully depletes your starting balance over a set number of…FCredit Card CalculatorSee how many months it takes to pay off a credit card balance at a given APR and fixed monthly…FCredit Cards Payoff CalculatorCompare two credit cards with the avalanche method: enter balances, APRs and a total monthly budget…FDebt Payoff CalculatorSee how many months it takes to pay off a debt and how much total interest you'll pay, based on…FDebt Consolidation CalculatorCompare paying multiple debts separately vs one consolidated loan. See combined balance, new…FRepayment CalculatorCalculate your monthly loan repayment from amount, interest rate, and term, plus see total interest…FStudent Loan CalculatorEstimate your student loan monthly payment, total interest, and payoff date from the amount, rate,…FCollege Cost CalculatorProject the future cost of college with education inflation and find the monthly savings needed to…FSimple Interest CalculatorCalculate simple interest with I = P x r x t. Enter principal, annual rate, and time in years to…FCD CalculatorCalculate Certificate of Deposit maturity value, total interest earned, and effective return from…FBond CalculatorCalculate a bond's price from face value, coupon rate, market yield (YTM) and years to maturity.…FMutual Fund CalculatorProject the future value of a mutual fund with monthly contributions and annual return, net of the…FRoth IRA CalculatorProject your tax-free Roth IRA balance from annual contributions, years to grow and expected…FIRA CalculatorProject your traditional IRA balance from a starting amount, annual contributions, years and…FRMD CalculatorEstimate your IRS Required Minimum Distribution from a retirement account using the Uniform…FVAT CalculatorAdd or remove VAT at any rate. Enter an amount and VAT %, pick add or remove mode, and instantly…FCash Back or Low Interest CalculatorCompare an auto cash rebate against a low-APR financing offer to see which deal gives you the lower…FAuto Lease CalculatorEstimate your monthly car lease payment from MSRP, negotiated price, residual, money factor, term…FDepreciation CalculatorCalculate asset depreciation with straight-line or declining-balance methods. Enter cost, salvage,…FAverage Return CalculatorCalculate CAGR (compound annual growth rate) from start value, end value, and years, plus the…FMargin CalculatorCalculate gross profit, profit margin % and markup % from cost and revenue, or set a markup to find…FDiscount CalculatorCalculate the final price after a discount. See the amount saved and the sale price, and stack…FBusiness Loan CalculatorCalculate monthly payment, total interest, and total cost for a business loan from amount, rate,…FDebt-to-Income Ratio CalculatorCalculate your front-end and back-end debt-to-income (DTI) ratio from monthly debts and gross…FReal Estate CalculatorCalculate cap rate, cash-on-cash return and monthly cash flow from purchase price, down payment,…FTake-Home-Paycheck CalculatorEstimate US net pay per paycheck: gross minus 2024 federal income tax, FICA (Social Security +…FPersonal Loan CalculatorCalculate your personal loan monthly payment, total interest, and total cost from the loan amount,…FBoat Loan CalculatorEstimate your monthly boat loan payment, total interest, and total cost from the boat price, down…FLease CalculatorEstimate a monthly lease payment from asset price, residual value, money factor or APR, term and…FRefinance CalculatorCompare your current mortgage to a refinance: see the new monthly payment, monthly savings, closing…FBudget CalculatorBuild a 50/30/20 budget from your monthly after-tax income, with needs, wants, and savings targets…FRental Property CalculatorEstimate NOI, cap rate, monthly cash flow, and cash-on-cash return from purchase price, rent,…FIRR CalculatorCalculate the Internal Rate of Return (IRR) from an initial investment and a series of cash flows.…FROI CalculatorCalculate return on investment (ROI), net profit, and annualized ROI from your cost, final value,…FAPR CalculatorFind the true APR of a loan including upfront fees. Enter amount, note rate, term and fees to see…FFHA Loan CalculatorEstimate your FHA mortgage payment: principal & interest plus monthly MIP (0.55%/yr) and financed…FVA Mortgage CalculatorEstimate a VA home loan payment with zero down. Finance the VA funding fee into the loan and see…FHome Equity Loan CalculatorEstimate how much home equity you can borrow and the fixed monthly payment, total interest, and…FHELOC CalculatorEstimate HELOC interest-only and principal-plus-interest payments from your balance, rate, and…FDown Payment CalculatorCalculate your home down payment from price and percent (or the reverse), see your loan amount, and…FRent vs. Buy CalculatorCompare the true cost of renting vs buying a home over N years, factoring mortgage, taxes,…FPayback Period CalculatorFind how many years to recoup an investment. Calculates simple payback period and discounted…FPresent Value CalculatorFind what a future amount is worth today. Discount a future value plus optional recurring payments…FFuture Value CalculatorProject the future value of a lump sum plus recurring contributions. Enter present value, rate,…FCommission CalculatorCalculate sales commission from a sale amount and rate, with optional base salary or tiered rates.…FMortgage Calculator UKWork out your UK repayment mortgage in GBP. Enter property price, deposit, rate and term to see…FCanadian Mortgage CalculatorCalculate your Canadian mortgage payment with semi-annual compounding. Enter home price, down…FMortgage Amortization CalculatorCalculate your monthly mortgage payment, total interest, and see how principal vs interest split…FPercent Off CalculatorCalculate the final sale price after a percent discount. Instantly see how much you save and what…
Fitness & Health
31 toolsHBMI CalculatorBMI calculator with metric and imperial units. Get your Body Mass Index and weight category…HCalorie CalculatorEstimate your daily calorie needs using the Mifflin-St Jeor BMR formula and activity level. See…HBody Fat CalculatorEstimate body fat percentage with the US Navy circumference method. Enter neck, waist, height (and…HBMR CalculatorCalculate your Basal Metabolic Rate (BMR) using the Mifflin-St Jeor equation. Enter sex, age,…HMacro CalculatorTurn daily calories into protein, carb, and fat grams using balanced, low-carb, high-protein, or…HIdeal Weight CalculatorEstimate your ideal body weight by height and sex using the Devine, Robinson, Miller and Hamwi…HPregnancy CalculatorEstimate your due date, current pregnancy week and day, trimester, and days remaining from your…HPregnancy Weight Gain CalculatorEstimate recommended pregnancy weight gain from your pre-pregnancy BMI, plus a target range for…HPregnancy Conception CalculatorEstimate your conception date and fertile window from your last menstrual period (LMP) or your due…HDue Date CalculatorEstimate your pregnancy due date from your last menstrual period using Naegele's rule. Shows due…HPace CalculatorCalculate running pace per km and per mile, plus speed, from any distance and time. Toggle between…HArmy Body Fat CalculatorEstimate body fat % using the official US Army circumference (tape) method from height, neck,…HCarbohydrate CalculatorCalculate your recommended daily carbohydrate intake in grams from your total daily calories and…HLean Body Mass CalculatorEstimate lean body mass and fat mass from weight, height, and sex using the Boer formula. Live…HHealthy Weight CalculatorFind your healthy weight range from height using the WHO BMI 18.5-24.9 standard. Results shown in…HCalories Burned CalculatorEstimate calories burned from any activity using MET values, your body weight, and workout…HOne Rep Max CalculatorEstimate your one-rep max (1RM) from weight and reps using the Epley and Brzycki formulas, plus a…HTarget Heart Rate CalculatorFind your target heart rate zones for exercise using your age and resting heart rate with the…HProtein CalculatorEstimate your daily protein target in grams from body weight and activity goal, with a recommended…HFat Intake CalculatorCalculate your recommended daily fat intake in grams from your calorie intake and target fat…HTDEE CalculatorCalculate your Total Daily Energy Expenditure (TDEE) with the Mifflin-St Jeor formula, plus daily…HOvulation CalculatorEstimate your ovulation day and fertile window from your last period date and cycle length, plus…HConception CalculatorEstimate your most likely conception date and fertile window from your last menstrual period (LMP)…HPeriod CalculatorPredict your next 3 period start dates, period end dates and fertile windows from your last period,…HGFR CalculatorEstimate kidney function (eGFR) with the race-free CKD-EPI 2021 equation from serum creatinine,…HBody Type CalculatorEstimate your somatotype (ectomorph, mesomorph, or endomorph) from height, wrist, and waist using a…HBody Surface Area CalculatorCalculate Body Surface Area (BSA) from height and weight using the Mosteller and Du Bois formulas,…HBAC CalculatorEstimate blood alcohol concentration (BAC) using the Widmark formula from sex, body weight, drinks…HAnorexic BMI CalculatorCalculate your BMI and see where it falls relative to the anorexia threshold (BMI under 17.5).…HWeight Watcher Points CalculatorEstimate food points using the classic formula: calories, fat, and fiber. An approximation of the…HOverweight CalculatorCalculate your BMI, see if you're overweight, and find out exactly how many kilograms you are above…
Math
44 toolsMScientific Calculatoronline scientific calculator with trigonometry, logarithms, powers, roots, factorials and constants…MFraction CalculatorAdd, subtract, multiply or divide two fractions. Get the result reduced to lowest terms plus the…MPercentage Calculatorpercentage calculator. Find X% of Y, what percent one number is of another, and percentage increase…MTriangle CalculatorSolve a triangle from its three sides (SSS). Get all angles via the law of cosines, plus area…MVolume CalculatorCalculate the volume of a cube, rectangular box, sphere, cylinder, cone, or pyramid. Pick a shape,…MStandard Deviation CalculatorPaste a list of numbers to get mean, population and sample standard deviation, variance, and count.…MRandom Number GeneratorGenerate random numbers between a min and max. Choose count, integers or decimals, and optionally…MNumber Sequence CalculatorGenerate an arithmetic, geometric, or Fibonacci sequence from a first term, step value, and term…MPercent Error CalculatorCalculate percent error from an observed (measured) value and a true (accepted) value. Shows…MExponent CalculatorRaise any base to a power. Supports negative and fractional exponents (roots), plus special cases…MBinary CalculatorAdd, subtract, multiply and divide two binary numbers, plus convert between binary, decimal and hex…MHex CalculatorAdd, subtract, multiply, divide and bitwise two hexadecimal numbers, with live conversion to…MHalf-Life CalculatorCompute the remaining quantity of a decaying substance from initial amount, half-life, and elapsed…MQuadratic Formula CalculatorSolve ax^2+bx+c=0 with the quadratic formula. See the discriminant, real or complex roots, and the…MSlope CalculatorFind the slope, y-intercept, line equation, distance and angle from two points (x1,y1) and (x2,y2).…MLog CalculatorCompute log base b of x with any base. Get log base 10, natural log (ln), and log base 2 instantly…MArea CalculatorCalculate the area of a rectangle, triangle, circle, trapezoid, parallelogram, or ellipse. Pick a…MSample Size CalculatorFind the survey sample size you need from confidence level, margin of error, population size and…MProbability CalculatorCompute P(A and B), P(A or B), and complements for independent events, plus single-event…MStatistics CalculatorEnter a list of numbers to get count, sum, mean, median, mode, range, min, max, variance,…MMean, Median, Mode, Range CalculatorEnter a list of numbers to instantly compute the mean (average), median, mode(s) and range. Handles…MPermutation and Combination CalculatorCompute nPr and nCr from n and r using the standard factorial formulas, with overflow-safe…MZ-score CalculatorCompute a z-score from a value, mean, and standard deviation, plus its percentile using the normal…MConfidence Interval CalculatorCompute the confidence interval for a sample mean from sample mean, standard deviation, size, and…MRatio CalculatorSimplify a ratio A:B to lowest terms using the GCD, or solve a proportion A:B = C:x for the missing…MDistance CalculatorCompute the Euclidean (straight-line) distance and midpoint between two points in 2D or 3D space.…MCircle CalculatorEnter radius, diameter, circumference, or area and instantly get the other three circle…MSurface Area CalculatorCalculate the surface area of a cube, box, sphere, cylinder, or cone. Pick a shape, enter its…MPythagorean Theorem CalculatorSolve a right triangle with a²+b²=c². Enter any two of leg a, leg b, or hypotenuse c and get the…MRight Triangle CalculatorSolve a right triangle from two known values: two legs, a leg and hypotenuse, or a leg and an acute…MRoot CalculatorCompute the nth root of any number — square root by default. Supports custom root degrees and real…MLeast Common Multiple CalculatorFind the least common multiple (LCM) of a list of integers. Computed with LCM(a,b)=a*b/GCD(a,b)…MGreatest Common Factor CalculatorFind the greatest common factor (GCD) of a list of integers using the Euclidean algorithm. Also…MFactor CalculatorList all positive factors (divisors) of an integer, count them, sum them, and check whether the…MRounding CalculatorRound any number to a set number of decimal places or to the nearest 10/100/1000, using half-up,…MMatrix CalculatorAdd, subtract, or multiply two 2x2/3x3 matrices, or get the determinant and transpose of one. Live…MScientific Notation CalculatorConvert any number to scientific notation (a x 10^b) and E-notation, or convert scientific notation…MBig Number CalculatorAdd, subtract, multiply, raise to a power, or take the modulo of two arbitrarily large integers…MPrime Factorization CalculatorFactor any integer into its prime factors with exponents (e.g. 360 = 2^3 x 3^2 x 5) using trial…MCommon Factor CalculatorFind all common factors of two or more integers and highlight the greatest common factor (GCF).…MBasic Calculatoronline basic calculator with a button keypad: add, subtract, multiply, divide, percent, sign…MLong Division CalculatorDivide two integers to get the quotient, remainder, and decimal, with full step-by-step…MAverage CalculatorFind the mean (average) of a list of numbers, plus sum, count, and median. Paste numbers separated…MP-value CalculatorConvert a z-score to a p-value for one-tailed or two-tailed tests using the standard normal CDF.…
Other
56 toolsOAge Calculatorage calculator. Find exact age in years, months and days between any two dates, plus totals in…ODate CalculatorAdd or subtract days, weeks, and months from a date, or find the exact difference between two dates…OTime CalculatorAdd or subtract two durations in HH:MM:SS. Free online time calculator that gives the result in…OHours CalculatorCalculate hours worked between a start and end time, minus break minutes. Shows decimal hours and…OGPA CalculatorGPA calculator. Add your courses with letter grades and credit hours to get your weighted GPA on…OGrade Calculatorgrade calculator. Add assignments with scores and weights to find your final weighted grade…OHeight CalculatorConvert height between centimeters and feet/inches both ways. Type in either field and get an…OConcrete CalculatorCalculate concrete for a slab from length, width and depth. Get cubic yards, cubic feet, and the…OIP Subnet CalculatorEnter an IPv4 address and CIDR prefix to get the network address, broadcast, subnet mask, usable…OBra Size CalculatorFind your bra size from band (underbust) and bust measurements in inches. Get your band size and…OPassword GeneratorGenerate strong, random passwords in your browser. Pick length and character types (upper, lower,…ODice RollerRoll any number of dice with custom sides. See individual rolls and the total instantly, with fair…OConversion CalculatorConvert lengths between mm, cm, m, km, inches, feet, yards, and miles instantly with this free…OFuel Cost CalculatorEstimate trip fuel cost and gallons used from distance, fuel efficiency (MPG), and price per…OVoltage Drop CalculatorCalculate voltage drop in copper wire by AWG gauge, length and current. Shows drop in volts,…OBTU CalculatorCalculate the cooling BTU and AC tonnage needed for a room from its square footage, with ceiling…OSquare Footage CalculatorCalculate area from length and width in square feet and square meters, plus optional total cost…OTime Card Calculatortime card calculator: enter clock-in and clock-out for 7 days to get daily and weekly hours, plus…OTime Zone CalculatorConvert a time between any two UTC offsets (UTC-12 to UTC+14). Pick a source and target zone and…OLove CalculatorFun love calculator: enter two names to get a deterministic compatibility percentage. For…OGDP CalculatorCalculate GDP with the expenditure approach: Consumption + Investment + Government Spending + Net…OGas Mileage CalculatorEnter miles driven and gallons used to get your MPG, L/100km, fuel cost per mile and cost per 100…OHorsepower CalculatorCalculate horsepower from torque and RPM, or reverse it to find torque. Uses the classic HP =…OEngine Horsepower CalculatorEstimate engine horsepower from quarter-mile trap speed and vehicle weight using the classic…OStair CalculatorCalculate stair steps, riser height, and run from your total rise. Targets a comfortable ~7-inch…OResistor CalculatorDecode a 4-band resistor color code instantly. Pick band colors to get resistance in ohms,…OOhms Law CalculatorOhm's Law calculator. Enter any two of voltage, current, resistance, or power and instantly compute…OElectricity CalculatorCalculate the energy use and running cost of any appliance. Enter watts, hours per day, days, and…OShoe Size ConversionConvert shoe sizes between US, UK, and EU for men and women. Enter one size to instantly see the…OTip Calculatortip calculator: enter your bill, tip percent, and number of people to instantly see the tip, total,…OMileage CalculatorCalculate mileage reimbursement instantly: enter miles driven and the rate per mile to get your…ODensity Calculatordensity calculator. Solve for density, mass, or volume using ρ = m / V, with metric unit…OMass CalculatorConvert mass and weight between mg, g, kg, oz, lb, and metric tons instantly. Free online mass unit…OWeight Calculatorweight converter. Instantly convert between grams, kilograms, pounds, ounces, and stone with two…OSpeed Calculatorspeed calculator. Solve for speed, distance, or time using speed = distance / time. Shows results…OMolarity CalculatorCalculate molarity (mol/L) from moles and volume, or from mass, molar mass, and volume. Free,…OMolecular Weight CalculatorCalculate the molar mass of any chemical formula like C6H12O6 or Ca(OH)2. Parses parentheses and…ORoman Numeral ConverterConvert integers (1-3999) to Roman numerals and Roman numerals back to numbers instantly. Supports…OGolf Handicap CalculatorCalculate your golf handicap index from recent scores, course ratings, and slope ratings. Free,…OSleep CalculatorFind the best bedtimes or wake-up times based on 90-minute sleep cycles, allowing ~15 minutes to…OTire Size CalculatorDecode a tire size like 205/55R16 into sidewall height, overall diameter (inches and mm), and…ORoofing CalculatorConvert your roof footprint and pitch into actual roof surface area and roofing squares, plus a…OTile CalculatorCalculate how many tiles and boxes you need for any floor or wall area, including a waste…OMulch CalculatorCalculate how much mulch you need by area and depth. Get cubic yards, cubic feet, and the number of…OGravel CalculatorEstimate how much gravel you need. Enter length, width and depth to get cubic yards, cubic feet and…OWind Chill CalculatorCalculate the wind chill "feels like" temperature from air temperature and wind speed using the…OHeat Index CalculatorCalculate the heat index ("feels like" temperature) from air temperature in °F and relative…ODew Point CalculatorCalculate the dew point from air temperature and relative humidity using the Magnus formula.…OBandwidth CalculatorCalculate file download and upload time from file size and connection speed. Supports KB/MB/GB and…OBase64 Encode / Decodeonline Base64 encoder and decoder with full Unicode (emoji, accents) support. Convert text to…OURL Encode / Decodeonline URL encoder and decoder. Convert text to percent-encoded URL format or decode it back…OTime Duration CalculatorCalculate the exact duration between two dates and times. Get the result as days, hours, minutes,…ODay CounterCount the number of days between two dates, with an option to include the end date and a breakdown…ODay of the Week CalculatorFind what day of the week any date falls on, plus its day-of-year, week number, and leap year…
🧰 Developer tools (181)
JSON — core
17 toolsTJSON FormatterA premium, privacy-first collection of online tools: JSON formatter & validator, mortgage, loan,…TJSON Pretty PrintA premium, privacy-first collection of online tools: JSON formatter & validator, mortgage, loan,…DJSON Parseronline JSON parser. Paste JSON to parse, validate and pretty-print it instantly — with clear error…DJSON ReaderJSON reader. Format messy or minified JSON into clean, indented, readable text — instantly and…DJSON Vieweronline JSON viewer. Explore JSON as an interactive, collapsible tree — expand and collapse objects…DJSON Editoronline JSON editor. Edit, format, minify and validate JSON live in your browser — with instant…DJSON TreeJSON tree viewer. Visualise JSON structure as an expandable tree to understand nesting and…DJSON MinifyJSON minifier. Remove all whitespace from JSON to shrink payload size for APIs and storage —…DJSON Stringify Onlineonline JSON stringify tool. Convert JSON into an escaped string literal you can paste straight into…DJSON EscapeJSON escape tool. Escape quotes, backslashes and control characters in text so it's safe inside a…DJSON UnescapeJSON unescape tool. Turn an escaped JSON string back into readable text — reversing \DJSON URL EncodeJSON URL encoder. Percent-encode JSON so it can be safely passed in a URL or query string. Private,…DJSON URL DecodeJSON URL decoder. Decode percent-encoded JSON from a URL or query string back to readable JSON.…DJSON To StringJSON to string converter. Convert a JSON object into an escaped one-line string for code, logs or…DJson5 FormatterJSON5 formatter. Parse JSON5 (comments, trailing commas, unquoted keys) and format it as clean,…DJson5 ValidatorJSON5 validator. Check whether text is valid JSON5 (comments, trailing commas, unquoted keys…DJSON Tools OnlineA free suite of online JSON tools: parser, reader, viewer, editor, tree, minifier, stringify,…
JSON → converters
25 toolsDJSON To XMLConvert JSON to XML online for free. Paste JSON, get XML instantly — runs entirely in your browser,…DJSON To YAMLConvert JSON to YAML online for free. Paste JSON, get YAML instantly — runs entirely in your…DJSON To CSVConvert JSON to CSV online for free. Paste JSON, get CSV instantly — runs entirely in your browser,…DJSON To TSVConvert a JSON array of objects to TSV (tab-separated values). The header is the union of all keys.…DJSON To Base64Encode JSON text to Base64 in your browser. Unicode-safe via TextEncoder, works offline, live…DJSON To JsonschemaGenerate a JSON Schema (draft-07) from any JSON sample. Infers types, properties, required fields,…DJSON To TypescriptConvert JSON into idiomatic TypeScript interfaces. Infers types, names the root "Root", and…DJSON To JavaConvert JSON into idiomatic Java classes. Infers types, handles nested objects and arrays, names…DJSON To GoConvert JSON into idiomatic Go struct definitions with json tags. Infers types, handles nested…DJSON To RustConvert JSON into idiomatic Rust structs with serde derives. Infers types, handles nested objects…DJSON To PythonConvert JSON into idiomatic Python dataclasses with inferred types. Handles nested objects, arrays,…DJSON To CsharpConvert JSON into idiomatic C# classes. Infers types, names the root "Root", handles nested objects…DJSON To SwiftConvert JSON into idiomatic Swift structs. Infers types, names the root "Root", handles nested…DJSON To KotlinConvert JSON to idiomatic Kotlin data classes. Infers types, names the root Root, handles nested…DJSON To DartConvert JSON into idiomatic Dart classes with type inference, fromJson factories, nested objects,…DJSON To RubyConvert JSON into idiomatic Ruby classes with type-annotated accessors. Infers types, handles…DJSON To ObjectivecConvert JSON into idiomatic Objective-C @interface class declarations. Infers types, generates…DJSON To CPPConvert JSON into idiomatic C++ structs. Infers types, handles nested objects and arrays, and emits…DJSON To HaskellConvert JSON into idiomatic Haskell record types. Infers Int/Double/Bool/Text/Maybe, names nested…DJSON To ElmConvert JSON into idiomatic Elm type aliases. Infers Int, Float, Bool, String, nested records and…DJSON To CrystalConvert JSON into idiomatic Crystal structs with JSON::Serializable. Infers types, names the root…DJSON To PikeConvert JSON into idiomatic Pike class definitions. Infers types, names the root "Root", and…DJSON To FlowConvert JSON into idiomatic Flow type definitions. Infers types, names the root type Root, and…DJSON To JavascriptproptypesConvert JSON into idiomatic React PropTypes definitions. Infers types, names nested object shapes,…DBase64 To JSONDecode Base64 (Unicode-safe) and pretty-print the result as JSON. If it isn't valid JSON, the plain…
XML — core
12 toolsDXML FormatterFormat and indent messy or minified XML into clean, readable markup. Free, private and in your…DXML Pretty PrintPretty-print XML with clean indentation for easy reading. Free, private and in your browser.DXML ParserParse and validate XML, then format it — with clear error messages. Free, private and in your…DXML ViewerExplore XML as a collapsible tree of elements and attributes. Free, private and in your browser.DXML EditorEdit XML with live validation, formatting and minifying. Free, private and in your browser.DXML MinifyCompact XML by removing whitespace between elements. Free, private and in your browser.DXML ValidatorCheck whether XML is well-formed, with precise error messages. Free, private and in your browser.DXML EscapeEscape XML special characters so text is safe inside markup. Free, private and in your browser.DXML UnescapeDecode XML entities back to their original characters. Free, private and in your browser.DXML URL EncodePercent-encode XML so it's safe in a URL or query string. Free, private and in your browser.DXML URL DecodeDecode percent-encoded XML back into readable markup. Free, private and in your browser.DXML Tools OnlineA free suite of online XML tools: formatter, pretty-printer, parser, viewer, editor, minifier,…
XML → converters
23 toolsDXML To JSONConvert XML to JSON online for free. Paste XML, get JSON instantly — runs entirely in your browser,…DXML To JsonschemaConvert XML into a JSON Schema (draft-07) right in your browser. Infers types, nested objects,…DXML To CSVConvert XML to CSV right in your browser. Repeated child elements become rows; nested elements and…DXML To Base64Encode XML text to a Base64 string in your browser. Unicode-safe (UTF-8), works fully client-side…DXML To YAMLConvert XML to YAML in your browser. Paste XML, parse it to a value tree (elements, attributes,…DXML To JavaConvert XML into idiomatic Java classes. Paste XML, infer types from values, and generate POJO…DXML To GoConvert XML into idiomatic Go structs with xml tags. Parses your XML in the browser, infers field…DXML To RustConvert XML into idiomatic Rust structs. Parses XML in your browser, infers field types, handles…DXML To PythonConvert XML into idiomatic Python dataclasses. Paste XML, infer types from elements and attributes,…DXML To CsharpConvert XML into idiomatic C# classes. Paste XML, infer types and nested structures, and generate…DXML To SwiftConvert XML into idiomatic Swift Codable structs. Infers Int, Double, Bool, String, nested types,…DXML To KotlinConvert XML into idiomatic Kotlin data classes. Paste any XML, infer types and nesting, and get…DXML To DartConvert XML into idiomatic Dart classes. Paste XML, infer field types, and generate immutable Dart…DXML To RubyConvert XML into idiomatic Ruby Struct definitions. Parses your XML in the browser, infers field…DXML To ObjectivecConvert XML into idiomatic Objective-C model classes. Parses XML in your browser, infers property…DXML To CPPConvert XML into idiomatic C++ structs. Paste XML, infer types from elements/attributes, and…DXML To HaskellConvert XML into idiomatic Haskell record types. Parses XML in your browser, infers field types,…DXML To ElmConvert XML into Elm type aliases. Parses XML in your browser, infers field types (Int, Float,…DXML To CrystalConvert XML into idiomatic Crystal structs with JSON::Serializable. Infers types, maps attributes…DXML To PikeConvert XML into idiomatic Pike type definitions. Parses your XML in the browser, infers types, and…DXML To FlowConvert XML into Flow type definitions. Paste XML and get quicktype-style Flow object types with…DXML To TypescriptConvert XML into TypeScript interface definitions. Paste XML, get inferred, idiomatic TS types for…DXML To JavascriptproptypesConvert XML into React PropTypes definitions. Parses your XML in the browser, infers types from…
YAML — core
8 toolsDYAML FormatterClean up and reformat YAML in your browser. Parses your YAML and re-dumps it with consistent…DYAML ViewerParse YAML and explore it as a collapsible, colour-coded tree right in your browser. Expand and…DYAML ParserParse and validate YAML in your browser. Catches syntax errors with line numbers and outputs clean,…DYAML ValidatorValidate YAML syntax instantly in your browser. Paste YAML and get clear OK or detailed error…DYAML URL EncodeURL-encode YAML text with encodeURIComponent so it can safely travel inside query strings, form…DYAML URL DecodeDecode percent-encoded (URL-encoded) YAML back to readable text using decodeURIComponent. Paste…DYAML To Base64Encode YAML (or any text) to Base64 with full Unicode support. Runs entirely in your browser, no…DYAML Tools OnlineA free suite of YAML tools: formatter, viewer, parser, validator, converters and code generation —…
YAML → converters
22 toolsDYAML To JSONConvert YAML to JSON online for free. Paste YAML, get JSON instantly — runs entirely in your…DYAML To CSVConvert a YAML array of objects into CSV instantly in your browser. Parses YAML, collects all keys…DYAML To XMLConvert YAML to XML in your browser. Paste YAML, parse it to a value, and emit clean, indented XML.…DYAML To JsonschemaPaste YAML and instantly infer a JSON Schema (draft-07) with types, nested objects, arrays, and…DYAML To JavaConvert YAML into idiomatic Java class definitions. Infers field types, handles nested objects and…DYAML To GoConvert YAML into Go struct definitions instantly. Infers types, names nested structs, and adds…DYAML To RustConvert YAML into idiomatic Rust structs and enums. Infers field types, handles nested objects,…DYAML To PythonConvert YAML into idiomatic Python type definitions. Parses YAML in your browser, infers field…DYAML To CsharpConvert YAML into idiomatic C# class definitions in your browser. Infers types from your data,…DYAML To SwiftConvert YAML into idiomatic Swift structs. Infers types, optionals, and nested models with Codable…DYAML To KotlinConvert YAML into idiomatic Kotlin data classes. Paste YAML, infer types, and instantly generate…DYAML To DartConvert YAML into idiomatic Dart classes. Infers types from your sample data and generates Dart…DYAML To RubyPaste YAML and instantly generate idiomatic Ruby Struct definitions. Infers types from your data,…DYAML To ObjectivecConvert YAML into Objective-C model classes. Infers property types and nested @interface…DYAML To CPPConvert YAML into idiomatic C++ struct definitions. Infers field types, nested structs, and…DYAML To HaskellConvert YAML into idiomatic Haskell record type definitions. Infers Int, Double, Bool, String,…DYAML To ElmConvert YAML into idiomatic Elm type aliases. Infers Int, Float, Bool, String, List and nested…DYAML To CrystalConvert YAML into Crystal struct definitions. Infers types from your data and emits idiomatic…DYAML To PikeConvert YAML into idiomatic Pike type definitions. Parses YAML, infers types, and emits typed…DYAML To FlowConvert YAML into Flow type definitions. Paste YAML, infer types, and get idiomatic Flow object…DYAML To TypescriptConvert YAML into TypeScript interfaces. Paste YAML, infer types from the data, and generate clean…DYAML To JavascriptproptypesConvert YAML into React PropTypes definitions. Paste YAML data, infer types, and get idiomatic…
CSV · Excel · RSS
8 toolsDCSV To JSONConvert CSV to JSON online for free. Paste CSV, get JSON instantly — runs entirely in your browser,…DCSV To XMLConvert CSV with a header row into clean, well-formed XML. Each row becomes a record element with…DCSV To YAMLConvert CSV data into clean YAML. Parses your CSV rows into an array of objects (using the header…DCSV To HTMLConvert CSV data into a clean, semantic HTML table with thead and tbody. Live preview plus copyable…DCSV EscapeEscape a field value for CSV per RFC 4180: quote if it has commas, quotes, or newlines, and double…DCSV UnescapeUnescape quoted CSV fields: strip surrounding double quotes and collapse doubled quotes ("") back…DExcel To HTMLPaste rows copied from Excel or Google Sheets and instantly turn the tab-separated data into a…DRSS To JSONConvert RSS or Atom feed XML into clean, structured JSON with channel metadata and an items array.…
CSS · SASS · LESS · Stylus
25 toolsDCSS Pretty PrintFormat and beautify messy or minified CSS with Prettier right in your browser. Consistent…DCSS BeautifierBeautify and format messy or minified CSS into clean, consistent, readable code using Prettier.…DMinify CSSMinify CSS instantly in your browser. Strips comments, collapses whitespace, and removes redundant…DSCSS FormatterFormat and beautify SCSS code in your browser using Prettier. Fixes indentation, spacing, and…DLESS FormatterFormat and beautify LESS code in your browser with Prettier. Fix indentation, spacing, and nesting…DCSS To SCSSConvert CSS to SCSS instantly in your browser. Every CSS file is valid SCSS, so this tool cleanly…DCSS To LESSConvert and format CSS as LESS in your browser. CSS is valid LESS, so this prettifies your styles…DCSS To SASSConvert standard CSS to the indented SASS (.sass) syntax. Strips braces and semicolons, converts…DCSS To StylusConvert CSS to Stylus indented syntax in your browser. Strips braces and semicolons, indents…DSCSS To CSSCompile SCSS to CSS in your browser. Best-effort transpiler that resolves $variables and flattens…DSCSS To LESSConvert SCSS syntax to LESS in your browser. Best-effort syntactic rewrite of variables, mixins,…DSCSS To SASSConvert SCSS to the indented SASS syntax in your browser. Strips braces and semicolons, re-indents…DSCSS To StylusConvert SCSS to Stylus syntax in your browser. Best-effort transform of variables, mixins, includes…DSASS To CSSConvert indented SASS syntax to CSS in your browser. Best-effort transform: adds braces and…DSASS To LESSConvert SCSS/SASS syntax to LESS in your browser. Best-effort transform of variables, mixins,…DSASS To SCSSConvert indented SASS syntax to brace-and-semicolon SCSS in your browser. Best-effort syntactic…DSASS To StylusConvert SASS/SCSS source to Stylus syntax in your browser. Best-effort transform of variables,…DLESS To CSSCompile LESS into plain CSS right in your browser. Resolves variables, nesting, mixins, and…DLESS To SASSConvert LESS into SASS (indented .sass) syntax in your browser. Best-effort syntactic transform of…DLESS To SCSSConvert LESS source to SCSS syntax in your browser. Best-effort syntactic transform of variables,…DLESS To StylusConvert LESS to Stylus syntax in your browser. Best-effort syntactic transform: variables,…DStylus To CSSConvert Stylus to CSS in your browser. Best-effort converter for nested selectors and declarations…DStylus To SASSBest-effort converter from Stylus to the SASS indented syntax. Rewrites variable assignments,…DStylus To SCSSConvert Stylus to SCSS syntax in your browser. Best-effort transform: adds braces, semicolons,…DStylus To LESSConvert Stylus stylesheets to LESS syntax in your browser. Best-effort transform: adds braces,…
HTML
10 toolsDHTML EditorEdit HTML with a live preview and one-click formatting. Free, private and in your browser.DHTML ViewerRender HTML in a sandboxed live preview as you type. Free, private and in your browser.DHTML FormatterFormat and indent messy or minified HTML into clean, readable markup. Free, private and in your…DHTML Pretty PrintPretty-print HTML with clean indentation so it's easy to read and review. Free, private and in your…DHTML ValidatorCatch unclosed, mismatched and stray HTML tags with a fast structural check. Free, private and in…DHTML EscapeEscape HTML special characters so text renders literally instead of as markup. Free, private and in…DHTML UnescapeDecode HTML entities back into their original characters. Free, private and in your browser.DMinify HTMLShrink HTML by removing comments and collapsing whitespace. Free, private and in your browser.DHTML To JadeConvert HTML into Jade/Pug template syntax. Free, private and in your browser.DJade To HTMLConvert Jade/Pug template syntax into HTML. Free, private and in your browser.
Code formatters
16 toolsDTypescript FormatterFormat TypeScript with Prettier — consistent indentation, quotes and semicolons. Free, private and…DJavascript Pretty PrintPretty-print and beautify JavaScript into clean, consistent code. Free, private and in your browser.DJavascript EscapeEscape text into a JavaScript string literal (quotes, backslashes, newlines). Free, private and in…DJavascript UnescapeTurn an escaped JavaScript string back into plain text. Free, private and in your browser.DJsbeautifierBeautify minified or messy JavaScript into readable code. Free, private and in your browser.DBabel FormatterFormat modern JavaScript (Babel parser) including JSX and the latest syntax. Free, private and in…DMDX FormatterFormat MDX (Markdown + JSX) documents cleanly and consistently. Free, private and in your browser.DMarkdown FormatterFormat Markdown — normalise headings, lists, spacing and tables. Free, private and in your browser.DGraphql FormatterFormat GraphQL schemas and queries with consistent indentation. Free, private and in your browser.DVue FormatterFormat Vue single-file components — template, script and style. Free, private and in your browser.DAngular FormatterFormat Angular HTML templates with consistent structure. Free, private and in your browser.DGlimmer FormatterFormat Glimmer / Handlebars (.hbs) templates. Free, private and in your browser.DLWC FormatterFormat Lightning Web Components HTML templates. Free, private and in your browser.DPHP FormatterRe-indent PHP code consistently based on brace depth. Free, private and in your browser.DJava FormatterRe-indent Java code consistently based on brace depth. Free, private and in your browser.DCsharp FormatterRe-indent C# code consistently based on brace depth. Free, private and in your browser.
Escape / encode
10 toolsDURL EncodePercent-encode text for safe use in URLs using encodeURIComponent. Encodes spaces, special…DURL DecodeDecode percent-encoded URL strings back to readable text. Paste an encoded URL or query string and…DSQL EscapeEscape a string for safe use inside SQL single-quoted literals: doubles single quotes and escapes…DSQL UnescapeReverse SQL string escaping in your browser. Turns doubled single-quotes ('') back into single…DJava EscapeEscape any text into a Java string literal body. Handles quotes, backslashes, newlines, tabs and…DJava UnescapeDecode Java string escape sequences (\n, \t, \", \\, \uXXXX, octal \nnn) back into plain readable…DDotnet EscapeEscape any text into a C# string literal body. Handles quotes, backslashes, tabs, newlines, unicode…DDotnet UnescapeDecode C#/.NET string escape sequences back to plain text. Handles \n, \t, \r, \", \\, \uXXXX,…DBase64 To YAMLDecode Base64 back to YAML text in your browser. Unicode-safe (UTF-8), tolerant of whitespace and…DBase64 To XMLDecode Base64 back into XML text in your browser. Unicode-safe (UTF-8) decoding, instant live…
Utility & hubs
5 toolsDToolsThe CalcCafe developer toolbox — formatters, converters, validators and generators for JSON, XML,…DString Utilityonline string utility. Count characters, words, and lines, and transform text with UPPERCASE,…DData To Class Tools OnlineGenerate type definitions, structs and classes from XML and YAML for 18 languages plus JSON Schema.…DFormatter Tools OnlineEvery CalcCafe formatter and beautifier in one place — JSON, XML, YAML, HTML, CSS/SCSS/LESS and…DServer Header CheckerFetch a URL from your browser and inspect its HTTP response headers. Works for same-origin or…
Conversion
126 toolsCLength Converteronline length converter — convert between 13 meter units instantly, in your browser. Private, no…CWeight & Mass Converteronline weight & mass converter — convert between 10 kilogram units instantly, in your browser.…CTemperature Converteronline temperature converter — convert between 4 kelvin units instantly, in your browser. Private,…CArea Converteronline area converter — convert between 10 square meter units instantly, in your browser. Private,…CVolume Converteronline volume converter — convert between 13 liter units instantly, in your browser. Private, no…CSpeed Converteronline speed converter — convert between 6 meter/second units instantly, in your browser. Private,…CTime Converteronline time converter — convert between 10 second units instantly, in your browser. Private, no…CData Storage Converteronline data storage converter — convert between 11 byte units instantly, in your browser. Private,…CData Transfer Rate Converteronline data transfer rate converter — convert between 7 bit/second units instantly, in your…CPressure Converteronline pressure converter — convert between 9 pascal units instantly, in your browser. Private, no…CEnergy Converteronline energy converter — convert between 9 joule units instantly, in your browser. Private, no…CPower Converteronline power converter — convert between 6 watt units instantly, in your browser. Private, no…CAngle Converteronline angle converter — convert between 6 degree units instantly, in your browser. Private, no…CFrequency Converteronline frequency converter — convert between 5 hertz units instantly, in your browser. Private, no…CForce Converteronline force converter — convert between 5 newton units instantly, in your browser. Private, no…CFuel Economy Converteronline fuel economy converter — convert between 4 km/L units instantly, in your browser. Private,…CCentimeters to InchesConvert centimeter to inch instantly. Free, private, in-browser centimeters to inches with the…CInches to CentimetersConvert inch to centimeter instantly. Free, private, in-browser inches to centimeters with the…CFeet to MetersConvert foot to meter instantly. Free, private, in-browser feet to meters with the exact formula…CMeters to FeetConvert meter to foot instantly. Free, private, in-browser meters to feet with the exact formula…CKilometers to MilesConvert kilometer to mile instantly. Free, private, in-browser kilometers to miles with the exact…CMiles to KilometersConvert mile to kilometer instantly. Free, private, in-browser miles to kilometers with the exact…CMillimeters to InchesConvert millimeter to inch instantly. Free, private, in-browser millimeters to inches with the…CInches to MillimetersConvert inch to millimeter instantly. Free, private, in-browser inches to millimeters with the…CCentimeters to FeetConvert centimeter to foot instantly. Free, private, in-browser centimeters to feet with the exact…CFeet to InchesConvert foot to inch instantly. Free, private, in-browser feet to inches with the exact formula and…CInches to FeetConvert inch to foot instantly. Free, private, in-browser inches to feet with the exact formula and…CYards to MetersConvert yard to meter instantly. Free, private, in-browser yards to meters with the exact formula…CMeters to YardsConvert meter to yard instantly. Free, private, in-browser meters to yards with the exact formula…CCentimeters to MillimetersConvert centimeter to millimeter instantly. Free, private, in-browser centimeters to millimeters…CMeters to CentimetersConvert meter to centimeter instantly. Free, private, in-browser meters to centimeters with the…CKilometers to MetersConvert kilometer to meter instantly. Free, private, in-browser kilometers to meters with the exact…CFeet to CentimetersConvert foot to centimeter instantly. Free, private, in-browser feet to centimeters with the exact…CMeters to MillimetersConvert meter to millimeter instantly. Free, private, in-browser meters to millimeters with the…CNautical Miles to KilometersConvert nautical mile to kilometer instantly. Free, private, in-browser nautical miles to…CMiles to FeetConvert mile to foot instantly. Free, private, in-browser miles to feet with the exact formula and…CKilograms to PoundsConvert kilogram to pound instantly. Free, private, in-browser kilograms to pounds with the exact…CPounds to KilogramsConvert pound to kilogram instantly. Free, private, in-browser pounds to kilograms with the exact…CGrams to OuncesConvert gram to ounce instantly. Free, private, in-browser grams to ounces with the exact formula…COunces to GramsConvert ounce to gram instantly. Free, private, in-browser ounces to grams with the exact formula…CKilograms to StoneConvert kilogram to stone instantly. Free, private, in-browser kilograms to stone with the exact…CStone to KilogramsConvert stone to kilogram instantly. Free, private, in-browser stone to kilograms with the exact…CPounds to OuncesConvert pound to ounce instantly. Free, private, in-browser pounds to ounces with the exact formula…COunces to PoundsConvert ounce to pound instantly. Free, private, in-browser ounces to pounds with the exact formula…CKilograms to GramsConvert kilogram to gram instantly. Free, private, in-browser kilograms to grams with the exact…CGrams to KilogramsConvert gram to kilogram instantly. Free, private, in-browser grams to kilograms with the exact…CMilligrams to GramsConvert milligram to gram instantly. Free, private, in-browser milligrams to grams with the exact…CTonnes to KilogramsConvert tonne to kilogram instantly. Free, private, in-browser tonnes to kilograms with the exact…CStone to PoundsConvert stone to pound instantly. Free, private, in-browser stone to pounds with the exact formula…CPounds to StoneConvert pound to stone instantly. Free, private, in-browser pounds to stone with the exact formula…CCelsius to FahrenheitConvert celsius to fahrenheit instantly. Free, private, in-browser celsius to fahrenheit with the…CFahrenheit to CelsiusConvert fahrenheit to celsius instantly. Free, private, in-browser fahrenheit to celsius with the…CCelsius to KelvinConvert celsius to kelvin instantly. Free, private, in-browser celsius to kelvin with the exact…CKelvin to CelsiusConvert kelvin to celsius instantly. Free, private, in-browser kelvin to celsius with the exact…CFahrenheit to KelvinConvert fahrenheit to kelvin instantly. Free, private, in-browser fahrenheit to kelvin with the…CKelvin to FahrenheitConvert kelvin to fahrenheit instantly. Free, private, in-browser kelvin to fahrenheit with the…CSquare Feet to Square MetersConvert square foot to square meter instantly. Free, private, in-browser square feet to square…CSquare Meters to Square FeetConvert square meter to square foot instantly. Free, private, in-browser square meters to square…CAcres to HectaresConvert acre to hectare instantly. Free, private, in-browser acres to hectares with the exact…CHectares to AcresConvert hectare to acre instantly. Free, private, in-browser hectares to acres with the exact…CAcres to Square FeetConvert acre to square foot instantly. Free, private, in-browser acres to square feet with the…CSquare Meters to AcresConvert square meter to acre instantly. Free, private, in-browser square meters to acres with the…CSquare Miles to Square KilometersConvert square mile to square kilometer instantly. Free, private, in-browser square miles to square…CSquare Yards to Square MetersConvert square yard to square meter instantly. Free, private, in-browser square yards to square…CLiters to GallonsConvert liter to us gallon instantly. Free, private, in-browser liters to gallons with the exact…CGallons to LitersConvert us gallon to liter instantly. Free, private, in-browser gallons to liters with the exact…CMilliliters to Fluid OuncesConvert milliliter to us fluid ounce instantly. Free, private, in-browser milliliters to fluid…CFluid Ounces to MillilitersConvert us fluid ounce to milliliter instantly. Free, private, in-browser fluid ounces to…CCups to MillilitersConvert us cup to milliliter instantly. Free, private, in-browser cups to milliliters with the…CMilliliters to CupsConvert milliliter to us cup instantly. Free, private, in-browser milliliters to cups with the…CTablespoons to MillilitersConvert tablespoon to milliliter instantly. Free, private, in-browser tablespoons to milliliters…CTeaspoons to MillilitersConvert teaspoon to milliliter instantly. Free, private, in-browser teaspoons to milliliters with…CQuarts to LitersConvert us quart to liter instantly. Free, private, in-browser quarts to liters with the exact…CPints to LitersConvert us pint to liter instantly. Free, private, in-browser pints to liters with the exact…CGallons to QuartsConvert us gallon to us quart instantly. Free, private, in-browser gallons to quarts with the exact…CLiters to MillilitersConvert liter to milliliter instantly. Free, private, in-browser liters to milliliters with the…CCups to GallonsConvert us cup to us gallon instantly. Free, private, in-browser cups to gallons with the exact…CMPH to KM/HConvert mile/hour to kilometer/hour instantly. Free, private, in-browser mph to km/h with the exact…CKM/H to MPHConvert kilometer/hour to mile/hour instantly. Free, private, in-browser km/h to mph with the exact…CKnots to MPHConvert knot to mile/hour instantly. Free, private, in-browser knots to mph with the exact formula…CKnots to KM/HConvert knot to kilometer/hour instantly. Free, private, in-browser knots to km/h with the exact…CMeters/Second to KM/HConvert meter/second to kilometer/hour instantly. Free, private, in-browser meters/second to km/h…CMeters/Second to MPHConvert meter/second to mile/hour instantly. Free, private, in-browser meters/second to mph with…CFeet/Second to MPHConvert foot/second to mile/hour instantly. Free, private, in-browser feet/second to mph with the…CHours to DaysConvert hour to day instantly. Free, private, in-browser hours to days with the exact formula and…CDays to HoursConvert day to hour instantly. Free, private, in-browser days to hours with the exact formula and…CMinutes to HoursConvert minute to hour instantly. Free, private, in-browser minutes to hours with the exact formula…CHours to MinutesConvert hour to minute instantly. Free, private, in-browser hours to minutes with the exact formula…CSeconds to MinutesConvert second to minute instantly. Free, private, in-browser seconds to minutes with the exact…CDays to WeeksConvert day to week instantly. Free, private, in-browser days to weeks with the exact formula and…CWeeks to DaysConvert week to day instantly. Free, private, in-browser weeks to days with the exact formula and…CMonths to YearsConvert month to year instantly. Free, private, in-browser months to years with the exact formula…CDays to YearsConvert day to year instantly. Free, private, in-browser days to years with the exact formula and…CHours to SecondsConvert hour to second instantly. Free, private, in-browser hours to seconds with the exact formula…CMinutes to SecondsConvert minute to second instantly. Free, private, in-browser minutes to seconds with the exact…CKilobytes to MegabytesConvert kilobyte to megabyte instantly. Free, private, in-browser kilobytes to megabytes with the…CMegabytes to GigabytesConvert megabyte to gigabyte instantly. Free, private, in-browser megabytes to gigabytes with the…CGigabytes to TerabytesConvert gigabyte to terabyte instantly. Free, private, in-browser gigabytes to terabytes with the…CMegabytes to KilobytesConvert megabyte to kilobyte instantly. Free, private, in-browser megabytes to kilobytes with the…CGigabytes to MegabytesConvert gigabyte to megabyte instantly. Free, private, in-browser gigabytes to megabytes with the…CBytes to KilobytesConvert byte to kilobyte instantly. Free, private, in-browser bytes to kilobytes with the exact…CBits to BytesConvert bit to byte instantly. Free, private, in-browser bits to bytes with the exact formula and…CMbps to GbpsConvert megabit/second to gigabit/second instantly. Free, private, in-browser mbps to gbps with the…CMbps to MB/sConvert megabit/second to megabyte/second instantly. Free, private, in-browser mbps to mb/s with…CPSI to BarConvert pound/inch² to bar instantly. Free, private, in-browser psi to bar with the exact formula…CBar to PSIConvert bar to pound/inch² instantly. Free, private, in-browser bar to psi with the exact formula…CkPa to PSIConvert kilopascal to pound/inch² instantly. Free, private, in-browser kpa to psi with the exact…CPSI to kPaConvert pound/inch² to kilopascal instantly. Free, private, in-browser psi to kpa with the exact…CAtmospheres to PSIConvert atmosphere to pound/inch² instantly. Free, private, in-browser atmospheres to psi with the…CBar to AtmospheresConvert bar to atmosphere instantly. Free, private, in-browser bar to atmospheres with the exact…CmmHg to AtmospheresConvert millimeter of mercury to atmosphere instantly. Free, private, in-browser mmhg to…CKilojoules to CaloriesConvert kilojoule to calorie instantly. Free, private, in-browser kilojoules to calories with the…CCalories to KilojoulesConvert calorie to kilojoule instantly. Free, private, in-browser calories to kilojoules with the…CKilowatt-hours to JoulesConvert kilowatt-hour to joule instantly. Free, private, in-browser kilowatt-hours to joules with…CBTU to Kilowatt-hoursConvert btu to kilowatt-hour instantly. Free, private, in-browser btu to kilowatt-hours with the…CJoules to CaloriesConvert joule to calorie instantly. Free, private, in-browser joules to calories with the exact…CKilocalories to KilojoulesConvert kilocalorie to kilojoule instantly. Free, private, in-browser kilocalories to kilojoules…CHorsepower to WattsConvert horsepower to watt instantly. Free, private, in-browser horsepower to watts with the exact…CWatts to HorsepowerConvert watt to horsepower instantly. Free, private, in-browser watts to horsepower with the exact…CKilowatts to HorsepowerConvert kilowatt to horsepower instantly. Free, private, in-browser kilowatts to horsepower with…CHorsepower to KilowattsConvert horsepower to kilowatt instantly. Free, private, in-browser horsepower to kilowatts with…CDegrees to RadiansConvert degree to radian instantly. Free, private, in-browser degrees to radians with the exact…CRadians to DegreesConvert radian to degree instantly. Free, private, in-browser radians to degrees with the exact…CMHz to GHzConvert megahertz to gigahertz instantly. Free, private, in-browser mhz to ghz with the exact…CMPG to L/100kmConvert mpg (us) to liter/100 km instantly. Free, private, in-browser mpg to l/100km with the exact…CL/100km to MPGConvert liter/100 km to mpg (us) instantly. Free, private, in-browser l/100km to mpg with the exact…
Time & date
22 toolsTTimestamp & epoch toolsA complete suite of free, private timestamp and epoch converters — Unix, hex, .NET ticks,…TCountdown TimerA live countdown to any future date and time — or count up from a past one. Updates every…TDate Difference CalculatorCalculate the number of days, weeks and the exact difference between two dates. Private,…TDay Number CalculatorFind the day-of-year number (1–366) for any date, plus its ISO week and weekday. Free and…T.NET Ticks ConverterConvert .NET DateTime.Ticks (100-nanosecond intervals since 0001-01-01) to a readable date and…TDuration ConverterConvert a duration in seconds to days, hours, minutes and human-readable words. Free and…TExcel Date ConverterConvert an Excel / OLE Automation serial date number to a calendar date and Unix time, and…TGPS Time ConverterConvert GPS time (seconds since 1980-01-06, leap-second corrected) to UTC and Unix time, and…THex Timestamp ConverterConvert a hexadecimal Unix timestamp to a date and back. Useful for log files, cookies and…TJulian Day ConverterConvert a Julian Day Number (used in astronomy) to a calendar date and Unix time, and back.TMac HFS+ Timestamp ConverterConvert a classic Mac / HFS+ timestamp (seconds since 1904-01-01) to a readable date and Unix…TNTP Timestamp ConverterConvert an NTP timestamp (seconds since 1900-01-01) to a readable date and Unix time, and back.TSAS Timestamp ConverterConvert a SAS datetime value (seconds since 1960-01-01) to a readable date and Unix time, and…TSnowflake ID ConverterDecode a Discord, Twitter/X or Instagram Snowflake ID to the exact creation date and time.…TTimestamp List ConverterConvert a whole list of Unix timestamps to readable dates at once. Paste one per line —…TUnix Timestamp ConverterConvert a Unix epoch timestamp (seconds or milliseconds) to a human-readable UTC and local…TUUID Timestamp DecoderExtract the embedded creation timestamp from a version-1 (time-based) UUID. Private,…TWebKit / Chrome Timestamp ConverterConvert a WebKit/Chrome timestamp (microseconds since 1601-01-01) to a date and Unix time.…TWeek Number CalculatorFind the ISO-8601 week number for any date, plus the day of year and weekday. Free, in-browser.TWindows FILETIME / LDAP ConverterConvert a Windows FILETIME or Active Directory / LDAP timestamp (100-ns intervals since…TWorld ClockA live world clock showing the current time across major time zones — UTC, US, Europe, India,…TYear 2038 ProblemWhat the Year 2038 problem is, when 32-bit Unix time overflows, and a live countdown.…
PDF tools
12 toolsPFree PDF toolsA free suite of private, in-browser PDF tools — merge, split, rotate, sign, JPG to PDF and PDF…PCompress PDFShrink a PDF's file size in your browser by re-encoding its pages. No upload, no sign-up —…PJPG to PDFConvert one or more JPG or PNG images into a single PDF, in your browser. No upload, no…PJPG to WordPlace one or more images into an editable Word document, in your browser. No upload, no…PMerge PDFCombine multiple PDF files into one, right in your browser. No upload, no sign-up, no…PPDF to JPGConvert each page of a PDF into a JPG image, rendered in your browser with pdf.js. Click any…PPDF to WordExtract the text from a PDF into an editable Word document, in your browser. No upload —…PRotate PDFRotate every page of a PDF by 90°, 180° or 270° and download the result. Private, in-browser.PSign PDFType or draw your signature, see exactly where it lands on a live page preview, drag it into…PSplit PDFExtract specific pages or page ranges from a PDF into a new file. Private and in-browser —…PWord to JPGRender a Word document's text to a JPG image in your browser. No upload — private and instant.PWord to PDFConvert a Word .docx document to a clean PDF in your browser. No upload, no account — your…
Developer utilities
11 toolsDSQL FormatterFormat and beautify SQL queries online — Postgres, MySQL, SQLite, BigQuery and more. Private,…DRegex TesterTest and debug regular expressions live — see every match highlighted, with capture groups.…DJWT DecoderDecode a JSON Web Token to read its header and payload, and check the expiry — all in your…DCron Expression GeneratorBuild and test cron expressions and see the next scheduled run times. Private, in-browser, no…DUUID GeneratorGenerate random version-4 UUIDs in bulk, instantly, in your browser. Copy or download —…DJSON DiffCompare two JSON documents and see exactly what was added, removed or changed. Private and…DJSON Tree ViewerPaste JSON and explore it as an interactive, collapsible tree — expand and collapse any node,…DDiff ToolCompare two pieces of text or code and see exactly what changed, line by line — added in…DENV File GeneratorBuild a clean .env file from key/value pairs, with proper quoting. Copy or download — nothing…DcURL Command BuilderBuild a ready-to-run cURL command from a URL, method, headers and body. Private, in-browser,…D.gitignore GeneratorGenerate a .gitignore for your stack — Node, Python, Java, macOS, VS Code and more. Copy or…
Random & fun
17 tools★Random Letter GeneratorGenerate random letters A–Z instantly — pick how many. Free, in your browser.★Random Country GeneratorPick a random country from around the world — one or several at a time. Free and instant.★Random City GeneratorGenerate a random major world city — pick how many. Free, in your browser.★Random Animal GeneratorGet a random animal — one or many at a time. Free and instant, in your browser.★Random Movie GeneratorCan't decide what to watch? Generate a random movie pick from a curated list. Free and instant.★Random Song GeneratorGenerate a random song pick to play or cover. Free, in your browser.★Random Team GeneratorSplit a list of names into random, balanced teams. Free, private, in your browser.★Spin the WheelA spinning wheel of choices — add your options and let it decide. Free, in your browser.★Lucky Draw GeneratorRun a fair lucky draw / raffle — paste entries and pick random winners. Free and private.★Secret Santa GeneratorPair a group for Secret Santa — everyone gives a gift, nobody draws themselves. Free and…★Tournament Bracket GeneratorSeed a single-elimination tournament bracket from a list of teams. Free, in your browser.★Bingo Card GeneratorGenerate a random 75-ball bingo card with a free centre square. Free and instant.★Tambola Ticket GeneratorGenerate a valid Tambola / Housie ticket — 3×9 grid, 15 numbers, 1–90. Free and instant.★Baby Name GeneratorDiscover random baby name ideas — generate a shortlist in one click. Free and private.★Fantasy Name GeneratorGenerate fantasy character names for games, stories and D&D. Free, in your browser.★Business Name GeneratorBrainstorm catchy business and brand name ideas in one click. Free, in your browser.★Markdown to MediumWrite or paste Markdown, preview it live, then copy it as rich text and paste straight into…
No tools match “”.