If you forget it, we cannot recover it
Password-protect a PDF on this device
Write a new copy that requires a password to open. Encryption runs in this tab. Nothing is stored. There is no unlocker here.
No files yet. Drop them above. They stay on your computer.
They stay on your computer. Nothing is uploaded. If you forget the password, we cannot recover the file.
When to use this
Use this when a PDF should ask for a password to open. The file you drop must already be readable in this tab. We write a new encrypted copy. We do not store the password.
If you forget it, we cannot recover the file. Keep the unprotected original if you might need it. There is no unlocker on this site.
How to do it
- Drop a PDF this tab can already open.
- Type a password and confirm it.
- Protect PDF. Encryption runs locally.
- Download the new file and store the password somewhere you will not lose.
Tips
- Do not reuse your email password.
- A watermark is not a lock. Protect is the lock.
- Redact secrets first if the password is only for casual eyes.
Questions
Can you recover a forgotten password?
No. Nothing is stored here. We cannot open the file for you.
Is this a password cracker?
No. This page only writes a new protected file.
Does the original on disk get locked?
No. You download a new copy.