catScan

Unlock PDF

Remove the password from a PDF you can open.

Processed on your device

  1. 1Choose the files
  2. 2Arrange and adjust
  3. 3Download

You need to sign in to use the tools. It's free.

8 free uses a month · Plus is unlimited

If you know the password of a PDF and are tired of typing it every time, save a copy without it. It only works with PDFs you are allowed to open.

How to unlock a PDF in 3 steps

  1. Open the protected PDF.

  2. Enter its password when asked.

  3. Download a copy without a password.

Why use catScan

  • Private by design

    This tool works inside your browser: the file is processed on your device and is never uploaded or stored.

  • Free to start

    Sign in with Google and get 8 free uses per period, shared with the catScan app. 1 use = 1 downloaded file; if something fails, it doesn't count.

  • Nothing to install

    It works in any modern browser on computer, tablet or phone. To scan paper with your camera, use the Android app.

Frequently asked questions

Can I unlock a PDF without knowing the password?

No. This tool removes the password from PDFs you can open; it does not break passwords.

Is the original file changed?

No. A new copy without a password is created and the original stays as it was.

Are my files stored?

No. This tool processes the file on your device, inside the browser: it is not uploaded to any server and nothing is stored.

Is it free?

Yes. Sign in with your Google account and you get 8 uses per period on the free plan (1 use = 1 downloaded file; if something fails, it doesn't count). catScan Plus, bought in the Android app, is unlimited on the web and in the app.

Does it work on my phone?

Yes. It works in any modern browser on Android, iPhone, Windows, Mac or Linux, with nothing to install. The catScan Android app also lets you scan documents with the camera.