Add Watermark to PDF — Free Text Watermark Tool
Stamp “Confidential”, “Draft”, or your brand across every page.
About this tool
To add watermark to PDF documents is the simplest way to mark ownership and status — “CONFIDENTIAL” on a contract draft, “DRAFT” on a proposal, or your company name on a catalogue. This free tool stamps your text across every page with full control over the look.
Dial in the exact style you need: font size, five position presets, opacity from subtle (10%) to bold (80%), and any rotation angle — the classic diagonal stamp or a discreet corner mark. The watermark is drawn as real PDF text in a blue tone, so it stays crisp at any zoom level and prints cleanly.
Watermarking is perfect before sharing documents externally: it discourages misuse and makes the document's status unmistakable. As with everything here, processing is 100% local — your files never leave your device, and there are no accounts or watermarks-of-our-own added.
How to use
- Upload your PDF and type the watermark text (e.g. CONFIDENTIAL).
- Adjust size, position, opacity, and rotation to taste.
- Press “Add Watermark” to stamp every page.
- Download your watermarked PDF.
Frequently asked questions
Can I use my company name as the watermark?
Yes — any text up to 60 characters works, including brand names and URLs.
Will the watermark obscure my content?
At the default 30% opacity it sits visibly but lightly over content. Lower the opacity for a subtler mark.
Can I watermark only the first page?
The tool stamps every page for consistent protection. For single-page marking, split the page out first, watermark it, then merge back.
Is the watermark removable?
Like most PDF watermarks, it's part of the page content. It deters casual misuse but isn't encryption-grade protection.
Does watermarking cost anything?
No — free and unlimited, no signup required.
Are my files uploaded anywhere?
Never. Everything runs locally in your browser.