PDF tools / Edit PDFs

Add page numbers

Stamp configurable page numbers onto a PDF. Everything stays on your device.

Drop a PDF file here

or click to choose a file

How it works

  1. Choose a PDF file.
  2. Set the options, then select “Add page numbers”.
  3. Download the result directly from your browser.

Private by design

The file is read and processed by this page on your device. It is never uploaded to FormatOtter or handed to a third-party conversion service. Large documents may take a moment because your browser is doing the actual work.

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