PDF Watermark
Add text or image watermarks to PDF pages. Custom position, opacity, rotation and color — runs in your browser, so the file never leaves your device.
- 100% free
- No sign-up
- Clear controls
- Open and use
What is PDF Watermark?
PDF Watermark is a free online tool that adds text watermarks to PDF documents.
Customize the watermark text, font size, color, opacity, rotation angle, and position. Apply to all pages, odd pages only, or even pages only. Perfect for marking documents as CONFIDENTIAL, DRAFT, or adding your brand name. Everything runs in your browser — no files are uploaded to any server.

How to use PDF Watermark
- 1
Upload your PDF
Click the upload area or drag and drop a PDF file.
- 2
Configure watermark
Enter your watermark text and adjust size, color, opacity, rotation, and position.
- 3
Choose pages
Apply to all pages, odd pages only, or even pages only.
- 4
Preview
Check the live preview to see how your watermark will appear on the page.
- 5
Apply and download
Click Apply Watermark and download the result.
Everything this tool
does for you
- Custom watermark text
- Adjustable font size (12-120pt)
- Full color picker with opacity control
- Rotation from -90° to +90°
- 7 position presets
- Apply to all, odd, or even pages
- Processed in your browser
- No signup; PDF files up to 100 MB
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Free to start · No signup required
- Text or image watermarks
- Adjustable opacity and rotation
- 7 position presets
- Apply to all, odd or even pages
- Files never leave your browser
- No signup or limits