PDF Watermark - Add Text Watermark Locally

Free PDF watermark tool. Tile a text watermark on every PDF page locally in your browser, with adjustable text, color, opacity and density. No upload.

About 文档 / PDF

Upload a PDF, tile a text watermark locally and download. This tool runs entirely in your browser locally — no file upload, your privacy is protected, and speed is unaffected by network.

FAQ

Will my files be uploaded?

No. All processing happens locally in your browser; files never leave your device.

Which formats / scenarios are supported?

pdf watermark, watermark pdf, online pdf watermark, local pdf watermark, text watermark pdf and more can be done on this page.

Do I need an internet connection?

After the page loads, conversion/computation runs locally and works offline (except features relying on external fonts/libraries).