Watermark PDF
Add a text watermark to every PDF page — free, fast, and private.
Your files never leave your device
Choose a PDF file
Click or drop one PDF
How It Works
Step 1
Upload a PDF
Choose the PDF you want to watermark.
Step 2
Customize watermark
Set watermark text, size, rotation, and opacity.
Step 3
Download watermarked PDF
Download your updated PDF instantly.
Frequently Asked Questions
Yes. The watermark is applied to all pages by default.
No. It draws text on top of the existing page. Choose lower opacity if you want a subtle mark.
Yes. Watermarking runs in your browser — your PDF is not uploaded to any server.