Private browser PDF editing

Unlock a PDF online for free.

Enter the current PDF password and download a separate unencrypted copy created privately in your browser.

How to remove a password from a PDF

1. Choose an encrypted PDF from your device.
2. Enter the current user or owner password.
3. Unlock and verify the PDF locally in your browser.
4. Download the separate password-free copy.

Private browser-local PDF decryption

PDFMech loads the security engine in a browser worker without uploading the PDF or password.

Known-password removal only

This tool does not guess, recover, bypass, or crack unknown PDF passwords.

What changes after unlocking

The new copy no longer requires the PDF password and no longer carries encryption permissions. Store and share it carefully.

Unlock a PDF online for free FAQ

Can PDFMech unlock a PDF without its password?

No. If the file requires an open password, you must provide a valid current user or owner password.

Does PDFMech upload my PDF or password?

No. Protection checks, decryption, verification, and download happen locally in your browser.

Does unlocking change the original PDF?

No. PDFMech creates a separate unencrypted copy and leaves the protected source file unchanged.

Why does my PDF open without asking for a password?

Some encrypted PDFs use only permission restrictions. PDFMech can remove those restrictions without an open password.