Free forever · Runs in your browser
Stamp text diagonally across every page of a PDF. Runs entirely in your browser — the document is never uploaded anywhere.
Drop a PDF here, or click to browse
One file at a time
Is my document uploaded anywhere?
No — the watermark is applied entirely in your browser. Your PDF never touches a server.
Does this work on password-protected PDFs?
Not currently — remove the password first using your PDF viewer, then watermark here.