How to use Encrypt PDF
- Open the tool. No account. The page loads the editor in your browser.
- Add files. Drop files onto the page. They are read locally and never uploaded.
- Encrypt. Set a password and download the protected file.
- Download. The result is saved to your device. Nothing is stored on a server.
Frequently asked questions
Which cipher?
AES-256 via the pdf-lib encryption fork.
Is the password sent anywhere?
No.
Forgot the password?
There is no recovery. That is the point of local encryption.
Encrypt PDF on ProMaxPDF (promaxpdf.pro) runs in this browser. Need a walkthrough? Read the free encrypt pdf guide.