Protect, sign, and watermark PDF
Add or remove passwords, sign documents, and stamp watermarks. We never see your files or your passwords.
Protect PDFAdd a password and set permissions.Unlock PDFRemove a password you already know.Sign PDFDraw, type, or upload a signature and place it.Watermark PDFStamp text or a logo across every page.
Common questions
Are the security tools free?
Yes. Every tool is free with no account, no daily limit, and no watermark on the output.
What happens to my files?
Nothing is kept. The file is used only to produce your result and is gone once you download it.
Which browsers are supported?
Current versions of Chrome, Edge, Firefox, and Safari on desktop and mobile.