Protect PDF

Add a password so only people who know it can open your PDF.

No sign-up
No watermark
No daily limits
Files stay on your device

How to password-protect a PDF

Choose a PDF file.
Type a password and repeat it.
Select Protect PDF and download the protected file.

Common questions

What if I forget the password?

Nobody can recover it, including this site. Keep the password somewhere safe.

How strong is the protection?

The file is encrypted with AES-256, a standard used by PDF readers. A longer password is harder to guess.

Is my password or file sent anywhere?

No. The password and the file stay on your device.

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