Unlock PDF

Unlock PDF
Online

Decryption runs inside your browser's memory. The file stays here, the password stays here. We could not see them even if we wanted to.

Drop your protected PDF here
We'll detect the encryption and prompt for your password locally.
You must know your password We can't recover forgotten passwords
Free
No Sign-Up
No Upload
AES-256
HOW IT WORKS

Three steps. Password never leaves this tab.

1

Drop your PDF

We detect encryption type (RC4 / AES-128 / AES-256) entirely client-side.

2

Enter your password

The password is used in-memory to decrypt the file. It is never sent anywhere.

3

Download unprotected copy

Save the decrypted PDF. Your original file stays untouched.

Common scenarios

Typical cases where unlock-PDF is most useful. All processing stays client-side.

Forgot password
Try your usual passwords
Bank statement
Sensitive — stays local
Remove restrictions
Printing / copying
Online & free
No account, no limit
AES-256 encrypted
Modern cipher supported
FAQ

Frequently asked

Does my password leave this browser tab?

No. The password is used in-memory to decrypt the PDF. Nothing is transmitted — you can verify in DevTools → Network.

Can you recover a forgotten password?

No. We do not brute-force, dictionary-attack, or guess passwords. You must know the password.

What encryption types are supported?

RC4-40, RC4-128, AES-128, AES-256. This covers every PDF created by Acrobat, Word, Preview, and common tools.

Is it legal to unlock a PDF?

Yes — if you have legal authorization to access and modify the document. You must own the file or have explicit permission.