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Files stay on your device. Most tools (merge, split, sign, edit) run entirely in your browser; nothing is uploaded.

How to add a watermark to a PDF

A watermark marks a document's status or ownership — DRAFT, CONFIDENTIAL, a company name — across every page. It signals intent and makes casual copying obvious.

Open Add Watermark

Step by step

  1. 1Open the Watermark tool and drop your PDF in.
  2. 2Type the text you want and adjust how it sits on the page.
  3. 3Download the watermarked PDF, stamped on every page.

Choosing the wording

Keep it short and unmistakable: DRAFT, CONFIDENTIAL, NOT FOR DISTRIBUTION, or a name. Long phrases get hard to read once they're laid over the content.

A faint, diagonal mark stays legible without burying the text underneath it.

A watermark is a deterrent, not a lock

Watermarking labels a document; it doesn't stop someone determined from removing it. For real restriction, add a password with the Protect PDF tool.

The two work well together: a CONFIDENTIAL stamp plus a password covers both the message and the access.

FAQ

Does the watermark go on every page?
Yes, the text is stamped across all pages so the whole document is marked.
Is my file uploaded?
No. Watermarking runs in your browser, so the file never leaves your device.
Is it free?
Yes, completely free, with no account.