catScan

Add page numbers to PDF

Number your pages in the position you choose.

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

Number the pages of your PDF in a few seconds. Choose one of six positions, the format (only the number, "Page 1" or "Page 1 of 10"), the first number and from which page numbering starts.

How to add page numbers to a PDF in 3 steps

  1. Open the PDF you want to number.

  2. Choose the position, format, first number and starting page.

  3. Apply the numbering and download the PDF.

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 skip the cover page?

Yes. Choose the page where numbering starts and the first number to show, so the cover or index can stay unnumbered.

Where can I put the numbers?

At the top or bottom of the page, on the left, in the center or on the right.

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.