Watermark PDF
Add a Watermark to a PDF
Stamp text like “CONFIDENTIAL” or “DRAFT” diagonally across every page. Choose the text and how strong it looks, then download. Runs in your browser.
Options
Your files never leave your device and are not saved by FreeGenDoc. After download, the imported PDF, watermark image and entered text are cleared from this page.
How it works
- Add a PDF file.
- Type the watermark text and pick a strength.
- Click add watermark.
- Your watermarked PDF downloads.
Is it really free and private?
Yes. The whole operation runs in your browser using pdf-lib — no file is uploaded to a server, there is no watermark, and there is no signup.
Can the watermark be removed?
Enhanced protection converts the watermark to pixels, which makes automated removal harder. No digital watermark can be guaranteed impossible to remove. Keep your original file if you need a clean copy.