How to unlock a password-protected PDF

  1. 1

    Upload your PDF

    Upload the password-protected PDF.

  2. 2

    Enter the password

    Type the document's current password. You must know the password to unlock it.

  3. 3

    Download the unlocked PDF

    Click Unlock PDF. Download the unrestricted file.

About PDF unlocker

Over time, PDFs that you password-protected yourself or received from a vendor can become inconvenient when you need to edit or print them regularly. DocumentFlipper removes the password from a PDF so you can open it freely without re-entering credentials every time.

To unlock a PDF, you must provide the correct password — this tool does not crack or bypass passwords. Once the correct password is supplied, the encryption layer is stripped and the resulting PDF is a fully accessible, unrestricted document.

This tool is intended for legitimate use: unlocking PDFs that you own or have authority to modify. Files are processed securely and deleted within two hours.

Frequently asked questions

Do I need the original password?
Yes — you must know the current password to remove it. We cannot bypass or crack PDF passwords.
What if my PDF has editing restrictions?
Leave the password field blank. We will attempt to remove printing/editing restrictions. Success depends on the restriction type.
Is it legal to unlock a PDF?
Only unlock PDFs you own or have permission to modify. Bypassing copy protection on content you don't own may violate copyright law.
What encryption types are supported?
We support standard PDF encryption including 40-bit RC4, 128-bit RC4, and 256-bit AES.
Is it free?
Yes — unlocking your PDF is completely free with no sign-up required.