Sign PDF
Draw or upload a signature and place it on a page.
Processed locally in your browser. This adds a visible signature image to the page — it is not a cryptographic digital signature (PAdES) and does not certify the document.
Overview
Lets you draw a signature on screen or upload a transparent PNG, then position and size it on any page of the PDF.
How to use it
- 1Upload a PDF.
- 2Draw your signature or upload a PNG.
- 3Pick the page and drag the signature into place, then resize.
- 4Download the signed PDF.
How it works
The signature is rasterised to a PNG and embedded onto the chosen page with pdf-lib.
Tips
- For a legally binding cryptographic signature, use a dedicated e-signature service — this tool produces a visible signature mark only.