Protect PDF with Password
Encrypt a PDF with a password so only people who know it can open the file.
Your files never leave your device
- 1Choose your file
- 2Processed in your browser
- 3Download the result
Drag & drop or click to select a PDF file
PDF · up to 100 MB
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Nothing has left your device
This panel is the page reporting on itself, and it cannot see inside background workers. For independent proof, run the tests on the page linked here. Verify it yourself
Select one PDF, enter the password twice, then click "Protect PDF".
Good to know: Uses AES-256 encryption. If you forget the password the file cannot be opened and we cannot recover it, because the password never leaves your browser. Your original file is not changed.
Your files are processed entirely in your browser — nothing is ever uploaded to any server. Verify it yourself