Developer Tool Popular PDF Tool

Add Watermark to PDF

Protect and brand PDF pages with a custom text watermark, precise styling, and live preview.

Live preview Unicode text No uploads

How to Use

Choose a PDF, enter watermark text, adjust styling and placement, select pages, preview, then create and download.

Watermark Controls

Position
9 presets
Rotation
-90° to 90°
Opacity
5% to 100%
Pages
All or custom range

Related Tools

Brand and protect every document

Mark drafts, confidential files, samples, invoices, and client documents. A semi-transparent watermark communicates ownership or status while keeping the underlying PDF content readable.

Frequently Asked Questions

Is my PDF uploaded? +

No. Preview, watermark generation, page editing, and download happen locally in your browser.

Does the watermark flatten my PDF? +

No. The watermark is added as a separate image layer while original page text and vectors remain intact.

Can I watermark selected pages? +

Yes. Use all or ranges such as 1-3, 5, 8-10.

Can the watermark repeat across a page? +

Yes. Enable Tile Watermark to repeat it in a spaced grid.

Does Unicode text work? +

The watermark is rendered through the browser into a transparent image layer, supporting characters available in your system fonts.

Related Articles

Developer newsletter

Stay Ahead

Get practical developer guides, new tools, and workflow improvements without inbox noise.