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PRIVATE, FREE BROWSER UTILITY

Add Text Watermark to PDF

Add a diagonal text watermark on each PDF page, locally in your browser.

✓ Files remain on your device · No sign-up

Mark a PDF before sharing.

Get a useful result in seconds. Processing happens on this device.

How to use this tool

Choose a document and enter watermark text and its visibility.

Before you begin

Changes can invalidate existing PDF signatures. Review the output.

Why keep files local?

The tool reads the input with your browser and processes it on your device. It does not send your file to a Workpico conversion API. If you share a result by copying or downloading it, you control what happens next.