Sign PDF
Type or draw your signature, preview the actual page, and drag the signature exactly where you want it — private, no account, nothing uploaded.
Reviewed by the CalcCafe editorial team · Last updated 1 July 2026 · How we test our tools
or drag & drop here
Private — nothing uploadedRuns in your browserFree · no sign-upNo watermark
How it works
The chosen page is rendered to a preview with pdf.js. Your typed or drawn signature is turned into an image, and pdf-lib stamps it onto the page at the position you drag it to — then downloads the signed PDF.
100% client-side — your files are processed in your browser and never uploaded.
Frequently asked questions
Is my document uploaded?
No. The page preview is rendered and the signature is stamped onto the PDF locally with pdf-lib — the file never leaves your browser.
Can I type my signature instead of drawing?
Yes — switch to Type it and your name is rendered in a handwriting style. Or choose Draw it to sign with a mouse or finger.
How do I position it?
A preview of the real page is shown — just drag the signature onto the exact spot, then click Sign PDF.
Is a drawn signature legally valid?
A typed or drawn signature is widely accepted for everyday agreements, but for legally-binding e-signatures with an audit trail, use a qualified e-signature service.
People also ask
How do I electronically sign a PDF?
Type or draw your signature in this tool, drag it onto the exact spot on the page preview, and download the signed PDF. The signature is stamped into the file as an image with pdf-lib, entirely in your browser, so nothing is uploaded. Whether an electronic signature is accepted for a given document depends on the recipient and local rules, so this is general information rather than legal advice.
How can I sign a PDF document?
Open the PDF here, pick the page you want to sign, and either type your name in a signature-style font or draw your signature with a mouse, trackpad, or finger. Position it by dragging, then download the signed copy. Because the page is rendered as a real preview, what you see is where the signature will appear in the final file.
How do I sign a PDF file?
Load the file, create your signature by typing or drawing, drag it into place on the page preview, and download the result. The signature is embedded as an image on the page, so it will show up in any PDF viewer. For contracts that need initials or signatures on several pages, sign one page, then open the signed file again and repeat for the next page.
Can I digitally sign a PDF for free?
You can add a free electronic signature here, but note that a digital signature in the strict technical sense is different: it uses a cryptographic certificate to prove identity and detect later edits. This tool places a visual signature image on the page, which is what most everyday forms and agreements require. If a recipient specifically requires a certificate-based digital signature, you will need software or a service that issues and applies certificates.
How can I sign a PDF document for free?
This page signs PDFs free of charge with no account, no upload, and no watermark, since the signing happens in your browser. Type or draw your signature, drop it where it belongs, and download the signed PDF. There is no limit on how many documents you sign this way.
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Sources & references
These tools follow our methodology and provide educational estimates only — verify important figures with a qualified professional.