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Unlock PDF

Unlock a PDF

If you know the password, unlock the file and download a copy without encryption.

Runs in your browser. Your PDF stays on this device — nothing is uploaded for processing.

Known password

Works when you already have the open password.

Unlocked copy

Original on disk stays as-is; you download a new file.

Local crypto

Decryption runs in the browser.

Honest limits

Cannot bypass passwords you do not know.

Use the tool

How it works

Decrypt on your device

pdf-lib opens the encrypted PDF with your password and writes a new unencrypted document.

Before you start

  • This tool does not crack unknown passwords.
  • Owner/permission passwords may still limit some operations.

Three steps

  1. 1

    Load the PDF

    Choose the protected file.

  2. 2

    Enter password

    Provide the open password you already know.

  3. 3

    Download

    Save the unlocked copy.