Watermark PDF

Stamp a text watermark across every page.

Runs in your browser — your files are never uploaded.

Drop a PDF here or choose a file

Questions

Which characters are supported?

Latin letters, numbers and common symbols (the built-in Helvetica font).

Are my files uploaded?

No. The tool runs inside your browser. Your PDF never leaves your device and is not sent to Accohub or anyone else — you can even disconnect from the internet after the page loads.