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Free PDF tool

Add Page Numbers

Add page numbers to every page with position and style controls.

Local PDF workspace

Add Page Numbers

Add page numbers with position, size, start, and margin controls.

Drop PDF files here or choose files from your device One file at a time. Maximum total size: 50 MB.
Selected files0 files

Your selected files will appear here.

Tool options

Nothing is uploaded

Privacy: Your files are processed inside this browser tab. This tool does not upload or store them on Trezonic.

How to use Add Page Numbers

  1. Choose one PDF.
  2. Set the number position, starting value, size, and margin.
  3. Add the numbers, preview, and download the result.

Choose the number position, starting value, and font size. The original content remains unchanged.

Private by design

The built-in engine processes selected files inside this browser tab. Trezonic does not upload or store them. If you arrived from the PDF Hub, its temporary on-device handoff is deleted as soon as this tool reads it.

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Helpful answers

Add Page Numbers FAQ

Can numbering start at zero?

Yes. Set Starting number to 0.

Does this replace existing page numbers?

No. It adds new numbering, so check the preview if the source already contains numbers.