PDF Tools
Watermark PDF
Add custom text watermark to every page. Control text, font size, colour, opacity and rotation. 100% browser-based.
🔒 Runs in your browser — files never leave your device
📂 Upload PDF
💧
Drop a PDF here or click
File stays on your device
⚙️ Watermark Settings
About Watermark PDF
Watermarking protects your intellectual property and marks documents as confidential. All processing runs in your browser with pdf-lib.js.
Frequently Asked Questions
Can I customise?
Yes — text, size, colour, opacity and rotation.