Sign a PDF
Draw your signature with a finger or mouse, or type it. Drop it onto the page, resize it, download. Your document never leaves this device.
- Nothing is uploaded
- Works offline after first visit
- Open source
- No watermark · limit is your device’s memory; phones hold less
Lets you draw or type a signature, place it on any page of a PDF and download the signed PDF. It is free, needs no account and adds no watermark, and your files are not uploaded: everything runs in your browser on your device. The size limit is your device’s memory, and phones hold less; give the page a short while after one visit to save itself for offline use, and then it works offline.
Your signature is ready. Drop the PDF to place it.
Drag the signature into place on the page and use the corner handle to resize it. Place it on as many pages as you need.
Done
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Open the network tab. Your files never appear in it.
Add files and run the tool to see every request this tab makes.
Your files are processed on this device and never sent to a server. Reload the page to clear everything from memory.
How it works
- Drop the PDF you need to sign.
- Draw your signature, or type your name and pick a style. Add a date or initials if you need them.
- Click a page to place the signature, drag it into position, resize it, then download the signed PDF.
In your browser, not on a server
Your signature is captured as strokes on a canvas (or typed with an embedded handwriting font), turned into a transparent PNG in memory, and drawn onto the page with pdf-lib at the exact spot and size you chose on the pdf.js preview. The signed PDF is assembled in your tab and handed to your browser’s download.
Compared with upload-based tools: E-signature sites keep a copy of your contract, your signature and your email address, and most limit free users to a few documents a month. This tool has no server, so there is nothing to keep, nothing to count and nothing to leak.
Verify it yourself. Give the page a short while after one visit to save itself for offline use, then turn off Wi-Fi or switch to airplane mode and run the tool again. Or open your browser's developer tools (F12, or Cmd-Option-I on a Mac), pick the Network tab, and watch it while you convert. The panel above does the same count for you.
Questions
Can I add text, a highlight or an image to the PDF too?
Yes. Edit PDF adds text, cover boxes, highlights, drawings and images to a page and rotates, deletes or reorders pages, all in your browser. It cannot change the text already in the file.
Is this a legally binding signature?
It adds an image of your signature to the document, the same as printing, signing and scanning. Whether a signature like this is accepted depends on who asked you to sign and the rules where you are, so check with them. It is not a cryptographic digital certificate; if a counterparty requires one, they will usually say so.
Is my document or signature stored anywhere?
No. The PDF, your signature drawing and the signed result exist only in this browser tab. Your files are not uploaded, and nothing is kept once you close or reload the page.
Can I use a signature image I already have?
Yes. Choose Image next to Draw and Type, then pick a PNG, JPG or WebP file of your signature, or make one first in the signature maker and press Use in Sign PDF. A picture with a plain paper background has the paper taken out before it is placed.
Can I sign several pages?
Yes. Place the signature on every page that needs it. Each placement can be moved and resized on its own. You can also add your initials or the date the same way.
Can I sign on a phone?
Yes. Draw with your finger in the signature box. It works in Safari on iPhone and in Chrome on Android, and works offline after one visit and a short wait.
What if the PDF is a form or is password protected?
Forms work: the signature is drawn on top of the page. A PDF that needs a password to open asks for it once, in your browser; the tool will tell you if it cannot open the file.
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Guides
- How to sign a PDF without Adobe AcrobatSign a contract in your browser in a minute, with nothing uploaded, and the built-in options on every platform.
- A free Sejda alternative with no hourly task limit and no uploadSejda's free web tools stop you after 3 tasks an hour, and the PDF goes to its servers. Here is what changes when the file never leaves your device.
- How to flatten a PDFA form you just filled in, or a document you just signed, stays editable until it is flattened. Here is what that means, and how to do it for free.
- Is iLovePDF safe?iLovePDF is an established European service with good published practices. For confidential PDFs, the safer question is whether they need to be uploaded at all.
- Is Smallpdf safe?Smallpdf is a reputable Swiss company with published retention rules. What changes the answer for you is which of its storage rules applies to your file.