Password-protect PDF
AES-256 encryption: the document opens only with the password. You can also block printing and copying.
Your files are processed on your device and never uploaded to a server.
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How it works
- 1Add a PDF.
- 2Set a password and, if you like, block printing or copying.
- 3Download the protected document.
Limitations
- AES-256 encryption. The password and document never leave your device — if you forget the password, it can’t be recovered.
- Most apps respect the printing and copying restrictions, but they aren’t absolute protection.