Online & private
W

PDF EDITING · ONLINE

Add watermark Online

Place custom text over selected PDF pages.

Quick instructions

Place custom text over selected PDF pages. Work on the preview first; use numeric controls only when you need exact placement or sizing.

Use enough contrast to be visible without covering important text.

+

Choose PDF file

or drag and drop from your device

Processed locally in your browser
✓
Your privacy is protected

Processing happens inside your browser. Kaazo cannot access, store or transmit your files.

Add watermark: the job it actually does

Place custom text over selected PDF pages.

Placement matters more than the word itself

A watermark sits over the page, so opacity, size and position determine whether it remains readable without obscuring the document underneath. Check pages with dark graphics as well as plain text pages.

Use enough contrast to be visible without covering important text.

mark documents as DRAFT or CONFIDENTIAL

One straightforward use is to mark documents as DRAFT or CONFIDENTIAL. Another is to add a company or project name to shared PDFs. The common thread is that the input already contains the information the tool needs.

Where Add watermark stops

Use Header & Footer for repeated edge text, Bates Numbering for document identifiers, or the PDF Editor when the mark belongs on only a specific visual area.

FAQ

What does Add watermark actually do?

Place custom text over selected PDF pages.

What limitation matters most?

A watermark sits over the page, so opacity, size and position determine whether it remains readable without obscuring the document underneath. Check pages with dark graphics as well as plain text pages. Use enough contrast to be visible without covering important text.

Related tools

If Add watermark solves only one part of the document job, keep the next operation separate so the result is easy to verify. The PDF workflow guide has broader context if you need it.