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Sign PDF

Add signature to your PDF

Add signature to your PDF. Work directly in your browser and keep a copy of the original for comparison.

1

Upload a PDF file.

2

Upload your signature image.

3

Apply the signature.

4

Download the signed PDF.

Drag & drop your files here

or choose a file from your device

PDF · 200 MB maximum

About Sign PDF

Add signature to your PDF. Work directly in your browser and keep a copy of the original for comparison.

How to use Sign PDF

  1. Upload a PDF file.
  2. Upload your signature image.
  3. Apply the signature.
  4. Download the signed PDF.

Frequently Asked Questions

Is this tool free?

Yes. All PDF AI tools are currently free, with no account required.

How large can my upload be?

Upload up to 200 MB per task and up to 10 files for tools that support multiple files.

How are files handled?

Files are processed on the server. Successful jobs are scheduled for automatic cleanup after 10 minutes.