Protect PDF
Add password protection to PDF files online for free. Encrypt and secure your PDF documents with a password instantly.
🔒
Coming SoonPDF Tools
The full version of Protect PDF is being built right now. We add new fully functional tools every week. In the meantime, you can use the basic workspace below.
About Protect PDF
Add password protection to PDF files online for free. Encrypt and secure your PDF documents with a password instantly.
This tool is completely free and runs 100% in your browser. Your data is never uploaded to any server — everything is processed locally on your device for maximum privacy and speed.
About Protect PDF
Add password protection to PDF files online for free. Encrypt and secure your PDF documents with a password instantly.
Features
- 100% free with no sign-up required
- Runs entirely in your browser for full privacy
- No data stored, no files uploaded to servers
- Works on desktop and mobile devices