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Protect PDF
Add a password (AES-256). Encrypted on your device.
🔒 On your device
How to use it
- Drop the PDF you want to encrypt.
- Type a password of at least 4 characters (longer is far safer).
- Press Protect PDF and download the encrypted file.
Troubleshooting
I lost the password.
It cannot be recovered. Encryption happens on your device and we never see the file or the password — keep a copy of the original.