If a PDF is password-protected and you already know the password, Unlock PDF removes that requirement so the file opens freely from then on — useful once a document no longer needs to stay locked.
How to unlock pdf
- 1
Upload your protected PDF file
Drag it onto the upload area, or click to choose it from your device.
- 2
Select Unlock PDF
Choose the tool, then enter the password you already know.
- 3
Click Unlock
Your file is processed on our server, which removes the password protection.
- 4
Download your unlocked PDF
The file now opens without a password.
Why use RealPDFTool for unlock pdf
Just needs the password you already have
This isn't a password-cracking tool — it removes protection you're already authorized to remove.
Frequently asked questions about unlock pdf
Do I need to know the password already?
Yes — this tool removes a password you already have; it doesn't crack or bypass one you don't know.
Can I add a different password afterward?
Yes, use Protect PDF to set a new password once the old one is removed.
Is there a file size limit?
PDFs up to 100MB are supported, since unlocking runs on our server.
Are my files stored on your servers?
Files are processed to remove the password and then deleted — they aren't kept or reused.