Question 1

What types of passwords can I set?

Accepted Answer

You can set a user password (required to open the PDF) and an owner password (required to edit or print).

Question 2

How secure is the encryption?

Accepted Answer

PDF encryption uses AES-128 or AES-256 depending on the implementation. This provides strong protection for most use cases.

Question 3

Can I remove the password later?

Accepted Answer

Yes. Use our PDF Unlock tool with the correct password to remove protection.

Question 4

Is my PDF uploaded to a server?

Accepted Answer

No. Password protection is applied in your browser. Your file stays on your device.

Question 5

What is the file size limit?

Accepted Answer

PDF files up to 20MB are supported.

PDF Password Protector

Frequently Asked Questions