PDF Signature Tool

Adds a drawn signature to a PDF page. Runs entirely in your browser — your PDF is never uploaded anywhere.

Lilu Baba's PDF Signature Tool lets you draw a signature and place it anywhere on a chosen page, embedding it as a real image in the rebuilt PDF — entirely on your device.

Choose a PDF file

Page Number

X Position (from left, % of page width)

Y Position (from bottom, % of page height)

Draw Your Signature

Choose a file to get started.

How to use this tool

Choose a PDF file.
Draw your signature, pick a page number and position.
Click Add Signature & Download.

Your PDF is parsed and rebuilt entirely on your device using hand-written JavaScript — nothing is uploaded to any server.

Original Size—

Result Size—

FAQ

PDF Signature Tool — frequently asked questions

No — this visually places your drawn signature onto the page; it doesn't provide the certificate-based signing or audit trail of a legal e-signature service.

No — everything happens entirely client-side in JavaScript.