Imresizer PDF logoImresizer PDF

Sign PDF documents online

Sign any PDF with a typed or hand-drawn signature — free, private, and processed entirely in your browser. No uploads, no account.

100% in your browserNo uploadsNo signupUnlimited signatures

100%

In-browser processing

0

Files ever uploaded

4

Handwriting fonts

Free

Always, no paywall

How to sign a PDF online

Three steps, no account, no upload — done in under two minutes.

1

Open your PDF

Drop a PDF or click to browse. Works on phone, tablet, and desktop — no app to install.

2

Create and place your signature

Type your name in a handwriting font or draw your signature on a canvas. Click anywhere on the page to place it. Drag to adjust position.

3

Download your signed PDF

Save your signed document instantly. No watermarks, no email, no waiting.

Everything you need to sign PDFs online

A free, private PDF signature tool that works in any browser — no software to download, no account to create.

Type signatures in handwriting fonts

Choose from four natural-looking handwriting fonts. Type your name or initials and place your digital signature anywhere on the page.

Hand-draw your signature

Use your mouse, trackpad, or stylus to draw your signature naturally. Save and reuse it across multiple PDFs in the same session.

Click to place, drag to adjust

Click any spot on the PDF to place a signature. Drag it to reposition with pixel-perfect control — no coordinate guessing.

100% private & in-browser

Your PDF never leaves your device. All signing happens locally in your browser — nothing is uploaded, stored, or shared.

Works on every device

Sign PDFs on Windows, Mac, Linux, iPhone, and Android. Any modern browser works — no software to install.

Free & unlimited

Sign as many PDFs as you want, as often as you want. No signup, no free-trial countdown, no hidden paywall.

Signatures that feel natural

Type in a natural handwriting font or draw freehand for a personal touch. Both methods look professional and feel authentic.

Your PDF never leaves your device

Signing runs fully client-side in your browser. Nothing is sent to a server, nothing is stored. Your documents stay 100% private, always.

Why people sign PDFs online

Going paperless is faster, safer, and more secure. Here's where digital signatures help most.

Sign contracts and agreements

Add your typed or hand-drawn signature to contracts and agreements before sharing. Legally valid signatures without printing or scanning.

Approve documents

Sign approval forms, invoices, and receipts. Mark them as reviewed and authorized without leaving your browser.

Authenticate forms and applications

Add your signature to job applications, loan forms, or government applications. Complete them entirely digitally.

Authorize purchase orders

Sign off on POs, quotes, and purchase authorizations instantly. Keep a digital audit trail without printing.

Sign lease and rental agreements

Add your signature to rental leases and property agreements. Complete the paperless signing process in seconds.

Countersign existing signatures

Add your signature next to someone else's on a PDF document. Build multi-party approval workflows without email chains.

More free PDF tools

Everything runs in your browser — private, free, and no signup, just like the signature tool.

Trusted by professionals and remote teams

Thousands of people sign PDFs here every day. Here's what a few of them say.

I sign contracts every week without printing. This tool turns what used to be 10 minutes of scanning into a 30-second browser operation.
Sarah M. · Freelance Consultant
Hand-drawing my signature feels natural, and knowing it never leaves the browser gives me confidence I'm not leaking data.
James K. · Legal Professional
We use this to approve internal documents. No more email chains, no more printing. Just click, sign, done.
Elena P. · Operations Manager

Frequently asked questions about signing PDFs

Can I draw my signature instead of typing it?

Yes. You can type your signature in one of four natural handwriting fonts, or draw it freehand on a canvas. Both methods work equally well.

Do my files get uploaded to a server?

Never. All signing happens locally in your browser using JavaScript. Your files never leave your device, so nothing is stored or shared.

Will the signed PDF have a watermark?

No. Your downloaded PDF is clean — no logos, no stamps, and no hidden pages added by us.

Can I place multiple signatures on one page?

Yes. Create multiple signatures (typed or drawn) and place as many as you need on any page. You can even use the same signature multiple times.

Does this work on mobile?

Yes. The tool is mobile-first and works on iPhone, Android, and any device with a modern browser. Drawing on mobile works smoothly with your finger or stylus.

Is there a file size limit?

No server-side limit — the only constraint is your device's memory. Most PDFs up to 200 MB sign without issue on a laptop or desktop.