Free Online PDF Watermark
Add custom text watermarks or stamps to any PDF online.
or drag and drop your PDF here
Select a PDF up to ~50MB — stamp text watermarks onto every page
No PDF? Try a sample:
PDF
Sample Invoice (1 Page)PDF
Quarterly Report (2 Pages)How to use
- 1Upload a PDF — the first page renders as a live preview automatically.
- 2Type your watermark text, then pick a layout, color, opacity, size and rotation.
- 3Watch the preview update instantly as you adjust each setting.
- 4Click Download to save a new PDF with the watermark applied to every page.
Privacy: Preview rendering and watermarking both happen entirely in your browser using PDF.js and pdf-lib — the file is never uploaded to a server.