PDF Watermark Adder

Add custom text watermarks to your PDF files — adjust opacity, angle and size.

Instant Custom Text Private & Secure
🏷️
Coming Soon
This Tool is Almost Ready!
We are actively building PDF Watermark Adder. It will run 100% in your browser — no file ever leaves your device. Completely private, free, and fast.

Development in progress — launching soon

How PDF Watermark Adder Will Work
4 simple steps — fully browser-based, no account needed
1

Upload your PDF file

2

Type your watermark text

3

Customize style and opacity

4

Download the watermarked PDF

Why MazyTools?
Built for privacy, speed and everyone — globally
100% Private
Instant Results
No Server Upload
Always Free
Dark Mode
Mobile Friendly
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No Signup Needed
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How to Use the PDF Watermark Adder

  1. Upload your PDF by clicking Choose File.
  2. Enter the Watermark Text (e.g. CONFIDENTIAL, DRAFT) and customize font size and opacity.
  3. Click Add Watermark — all processing runs in your browser.
  4. Download your watermarked PDF instantly.
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