Tools Sign PDF
Sign a PDF — without uploading it anywhere
Draw, type, or upload your signature, drop it exactly where it belongs, and download the signed file. Your file never leaves this tab. Neither does your signature.
Drop your PDF here
It opens right here in the tab — 0 bytes uploaded.
Free. No sign-up. No daily limits.
Opened locally — 0 bytes uploaded
How to sign a PDF
Three steps, all inside your browser tab. Works with Wi-Fi off.
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Open your PDF
Drop it above or click Choose PDF. The file renders right here — nothing is sent anywhere.
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Create your signature
Draw it with your mouse, trackpad, or finger; type your name and pick a script style; or upload a photo of your handwritten signature. It's saved in this browser for next time.
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Place it and download
Drag the signature onto any spot on any page, resize it to fit the line, add the date or your initials, then export. It's flattened into the page — part of the document, like ink.
Sign it here — don't hand your signature to a service
E-sign platforms work by uploading your contract to their servers and keeping a copy of your signature in an account. For a lease, an NDA, or a one-off consent form, that's a lot of exposure for one signature line. PDF Guard does the same job with no trip at all: the document opens locally, the signature lives in this browser, and the signed file is written straight to your device.
- Three ways to sign: draw it, type it in a script style, or upload an image
- Your saved signature is stored in this browser, on this device — not in anyone's account
- On export it's flattened into the page content, so it prints and displays like ink
E-sign services
Signed: A. Rivera
Your contract and signature are uploaded and kept on their servers
PDF Guard
Signed: A. Rivera
Signed in this tab — the only copy is the one you download
Same result on the page. The difference is where your document and signature have been.
Privacy you can check, not just believe
We don't ask for trust. The architecture makes uploading impossible — and you can verify that in under a minute.
01
Turn off Wi-Fi
Open a PDF, then go offline. Draw your signature, place it, download — everything keeps working, because the app is already in your tab.
02
Watch the network tab
Open DevTools → Network and sign a document. You'll see 0 requests containing your document or your signature.
03
Nothing to breach
No upload queue, no server copy of your contract, no signature sitting in an account. There is no server that ever holds your file.
Frequently asked questions
Is a signature made here legally valid?
PDF Guard creates an electronic signature — an image of your signature flattened into the document, the digital equivalent of signing with a pen. Many everyday agreements accept exactly that, but the rules vary by country and document type, and some documents (wills, notarized deeds) have stricter requirements. PDF Guard doesn't add a cryptographic certificate, so if the other party specifically requires certificate-based digital signing, check with them first.
Where is my saved signature stored?
In your browser's local storage, on your device — the same place a site remembers your theme choice. It's never uploaded, it isn't tied to an account, and it won't follow you to other browsers or computers. You can delete it any time from the signature menu, or by clearing this site's data.
Can someone lift my signature out of the signed PDF?
On export the signature is flattened into the page content rather than left as a separate, movable annotation — so it can't be selected and dragged off in a PDF viewer. As with a signature on paper, someone could still crop a picture of it, so share signed documents the same way you'd share printed ones.
How much does it cost?
Sign PDF is part of the free tier: Free. No sign-up. No daily limits. Free covers documents up to 20 pages; Pro ($10/yr) removes the page cap and adds advanced tools — and you'll always see what's Pro before you start a file, never after your work is done.
More tools, same rule: local only
Signed it? Fill it in, redact it, or merge in the annexes — nothing re-uploads.