Question 1

How do I password protect a PDF?

Accepted Answer

Upload your PDF, enter a password, set permissions (printing, copying, modifying), and click "Protect PDF." Your encrypted file is ready to download instantly.

Question 2

Is my PDF and password safe?

Accepted Answer

Absolutely. Everything happens in your browser — your PDF and password are never sent to any server. The encryption is performed entirely on your device.

Question 3

What encryption does this use?

Accepted Answer

This tool uses standard PDF encryption compatible with all major PDF readers including Adobe Acrobat, Preview, Chrome, and Firefox.

Question 4

Can I control what people can do with my PDF?

Accepted Answer

Yes. You can allow or restrict printing, copying text, and modifying the document. The password is required to open the file.

Question 5

Can I remove the password later?

Accepted Answer

Yes, open the protected PDF with the password in any PDF reader, then save/export it without encryption to remove the password.

Password Protect PDF Online — Free