Watermark PDF

Stamp a text label like "CONFIDENTIAL" or your own logo onto every page — or just the pages you pick. Free, with a live preview, and your documents never leave your device.

Drop a PDF here

or click to choose — it stays on your device

1. Add your PDF

Drop a PDF or pick one from your device.

2. Style the watermark

Choose text or an image, then tune size, color, opacity, rotation and layout.

3. Download

The watermarked PDF is built locally and downloads instantly.

Private by design: your files never leave your device. Watermarking happens entirely in your browser — no uploads, no storage, no accounts.