PDF Watermark
Add text or image watermark — Free, no login required, processed securely in your browser
📖 How to Use
1. Select a PDF
Choose the PDF you want to stamp with a watermark.
2. Enter Watermark Text
Type the text to display — e.g. "CONFIDENTIAL", "DRAFT", or "SAMPLE".
3. Set Options
- Angle — diagonal (45°) is the most common choice
- Opacity — 0.2–0.4 recommended to keep body text readable
- Color — gray, red, blue, or black
4. Apply & Download
❓ FAQ
Are non-Latin characters supported for watermarks?
Only standard Latin/numeric fonts are currently supported. Non-Latin characters may not display correctly.
Can I use an image (e.g. a company stamp) as a watermark?
Image watermarks are planned for a future update. Currently only text watermarks are supported.
Can I apply the watermark to specific pages only?
Currently the watermark is applied to all pages. Selective page support is planned for a future update.
Are my files uploaded to a server?
No. All processing happens inside your browser.
Can the watermark be removed later?
Once inserted, the watermark becomes part of the PDF content and generally cannot be removed.