Back to all tools

Add Watermark

Stamp text or image on your PDF

Stamp text or image on your PDF. Work directly in your browser and keep a copy of the original for comparison.

1

Upload a PDF file.

2

Enter watermark text and settings.

3

Apply the watermark.

4

Download the stamped PDF.

Drag & drop your files here

or choose a file from your device

PDF · 200 MB maximum

About Add Watermark

Stamp text or image on your PDF. Work directly in your browser and keep a copy of the original for comparison.

How to use Add Watermark

  1. Upload a PDF file.
  2. Enter watermark text and settings.
  3. Apply the watermark.
  4. Download the stamped 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.