PDF
Watermark PDF
Stamp text or an image watermark on a PDF, in your browser. Nothing uploaded.
Runs in your browser
Private
Free forever
How to use
Drop a PDF or click to choose
The total page count loads automatically.
Pick text or image, then set the stamp
Type a label (or upload a logo), choose color / size / opacity / rotation, and pick where on the page it lands.
Apply & download
The watermarked PDF is built in your browser and downloads immediately.
Frequently Asked Questions
- Is Watermark PDF free to use?
- Yes, Watermark PDF is completely free. No account, no signup, and no payment is ever required.
- Does Watermark PDF send my data to a server?
- No. Watermark PDF runs entirely in your browser. Your data is never uploaded to any server — all processing happens locally on your device.