💧 Watermark PDF
Stamp a text watermark (e.g. CONFIDENTIAL) diagonally across every page.
Watermark PDF — frequently asked questions
Is Watermark PDF free?
Yes, Watermark PDF is completely free — no signup, no watermark, no limits.
Do I need to create an account?
No, you can use it directly without logging in.
Is my file safe?
Your file is only uploaded to process it and is not stored afterwards.
Does it work on mobile?
Yes, it works in any browser on mobile or desktop — nothing to install.