Protect PDF
NewPassword-protect your PDF with encryption
How to Use Protect PDF
- 1Upload a PDF
- 2Enter a password and confirm it
- 3Click Protect PDF
- 4Download the password-protected file
About Protect PDF
Protect PDF encrypts your document with a password using pdf-lib. Recipients need the password to open the file. No file is ever uploaded — everything runs in your browser.
Frequently Asked Questions
Is encryption done on a server?
No. pdf-lib encrypts your file entirely in your browser.
What if I forget the password?
There is no recovery. Store your password safely.