Watermark PDF
Add a text watermark across every page.
Stamp a text watermark — like DRAFT or CONFIDENTIAL — diagonally across every page of a PDF, with adjustable opacity. It runs entirely in your browser, so your document is never uploaded.
Drag & drop a PDF, or click to browse
Watermarked in your browser — nothing is uploaded.
Runs entirely in your browser — nothing is uploaded.
How to use the watermark pdf
- 1Choose a PDF.
- 2Enter the watermark text and opacity.
- 3Add the watermark and download.
Frequently asked questions
Can I control how visible the watermark is?
Yes — the opacity slider lets you make it a faint background mark or a bold overlay.
Does it watermark all pages?
Yes — the watermark is applied to every page of the document.