- 1Upload
- 2Watermark
- 3Download
Drop your PDF file here
Choose a document to add a text watermark
One PDF · Up to 25 MB · Maximum 100 pages
Your watermarked PDF is ready
How to use PDF Watermark
Add a text watermark to PDF pages in your browser. Choose the text, page range, position, size, angle, opacity and color, then download a new PDF.
Upload a PDF
Choose one PDF and wait for its page previews.
Customize the watermark
Enter text, choose pages, and adjust position, angle, size, opacity and color.
Download the result
Create a new PDF with the watermark drawn on the selected pages.
What you can do with PDF Watermark
A focused browser-based workflow designed for quick PDF work.
Selected-page watermarking
Apply the watermark to all pages or only the page ranges you choose.
Custom appearance
Control text, font size, color, angle and opacity.
Flexible placement
Use the center or any page corner with an adjustable margin.
Preview before export
See an approximate watermark preview on page thumbnails.
Privacy and file handling
Your PDF is processed by JavaScript in your browser. The selected document bytes are not intentionally uploaded to a conversion server by this tool.
Local PDF processing
PDF.js renders previews and pdf-lib draws the watermark directly in your browser.
No conversion upload required
The PDF bytes are not intentionally sent to a conversion server by this tool. CDN libraries and site services use their own network requests.
Before you process your PDF
The downloaded result is a new file. Review it before sharing or archiving it.
Text font support
The lightweight built-in font is intended for Latin text, numbers and common punctuation.
Document integrity
Digital signatures and some interactive features may not survive rewriting. Keep your original PDF.
Questions about PDF Watermark
Can I watermark only selected pages?
Yes. Enter “all” or a page list such as 1, 3-5, 8.
Can I change opacity and angle?
Yes. Adjust the opacity and angle fields before exporting.
Can I change the watermark color?
Yes. Use the color picker to choose a text color.
Does this support image watermarks?
This version adds text watermarks. It does not add image or logo watermarks.
Are my files uploaded?
PDF processing happens in your browser. Libraries load from external CDNs; site advertising and analytics are separate.
What are the limits?
Upload one PDF at a time, up to 25 MB and 100 pages.
Can I use non-Latin watermark text?
The built-in Helvetica font supports Latin text, numbers and common punctuation. Other scripts may not encode correctly.
Will the original PDF be changed?
No. The tool creates a new PDF and leaves your uploaded file unchanged.