Free PDF security tools
Protect PDFs with passwords or remove existing restrictions. Encrypt documents with RC4 encryption for sharing sensitive files. Unlock password-protected PDFs you own.
3 tools100% freeno signup required
What you can do with security tools
- Password protect PDFs with RC4 encryption
- Set owner and user passwords separately
- Remove password restrictions from PDFs you own
- Client-side encryption: passwords never leave your browser
- No file size limits or watermarks
- Free to use, no account required
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