Local · Private · Free

PDF Sign

Draw or type your signature, drop it exactly where it belongs, and download a signed PDF. Runs entirely on your device — no upload, ever.

⬆

Drop a PDF here
or click to browse

🔒 Files never leave your browser

Your signature

Pen colour

Date / text stamp

FREE · optional

Add a typed line — e.g. a signing date — alongside your signature.

Stamp text

Size · 14 pt

Place on page

Pick a page, then click it to drop your signature — or set position & size below. Drag the box to fine-tune.

Page

Width · 180 pt

X (pt from left)

Y (pt from bottom)

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About PDF Sign

PDF Sign is a free, private pdf tool that runs entirely in your web browser. Draw or type a signature and place it on any page. Because everything happens locally on your device, your files and data are never uploaded to a server, there is no sign-up or installation required, and it keeps working offline. It is handy for sign, signature, e-sign, esign. Like every HeroTool by Digital Heroes, PDF Sign is 100% free with no limits.

Frequently asked questions

Is PDF Sign free?

Yes — PDF Sign is completely free for everyone. No sign-up, no account and no usage limits.

Is it private? Are my files uploaded anywhere?

No. PDF Sign runs entirely in your browser on your own device, so your data never leaves your computer and nothing is uploaded to a server.

Does it work offline?

Yes. HeroTools is a Progressive Web App — once the page has loaded it keeps working offline, and you can install it as an app from your browser.

Do I need to install anything or create an account?

No. Just open the page and start using it. Installing it as an app is optional and only adds offline convenience.

What does PDF Sign do?

Draw or type a signature and place it on any page.