Edit PDF
Place your signature on any PDF document — quick, private, and ready to send.
Drag & drop your PDF here
Drag and drop or browse to select the document you need to sign.
Add a PNG or JPEG image of your signature.
Get your signed PDF ready to share or send.
This tool uses pdf-lib, an open-source JavaScript library that runs entirely in your browser. Your PDF and signature image are read into memory locally, combined in place, and the result is saved directly to your device. No network requests are made during processing.
Yes. Your file is processed entirely in your browser using JavaScript. Nothing is uploaded to a server, so your document and signature stay completely private.
PNG and JPEG images work best. For a clean look, use a signature on a transparent PNG background.
The signature is placed in the bottom-right corner of the first page, scaled to 150 pixels wide while preserving the aspect ratio.
Currently the tool signs the first page of the document. For multi-page signing, you can run the tool multiple times or use the signed output as input.
Yes. The tool runs in any modern browser on phones, tablets, and desktops.