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Add page numbers guide

How to add page numbers to a PDF on a phone

Choose a PDF from phone storage, configure the numbering, and save a numbered copy in the mobile browser.

Updated September 2026 · PDFKaka EditorialOpen Page Numbers
Capture the Page Numbers workspace at a 390 px mobile viewport with synthetic sample content and the control needed for “How to add page numbers to a PDF on a phone” visible.

Add the page numbers

  1. Choose the PDF and decide which ascending page ranges should receive labels.
  2. Set the first number, optional prefix, label format, position, size, colour, and opacity.
  3. Open the result on the phone and check the first, second, and final page numbers.

Why the final placement must be checked after creation

No placement/output preview is rendered before creating the PDF.

FAQ

Can I preview the final page-number placement before creating the PDF?

The current tool does not render a final placement preview before creation, so reopen the output and inspect early, middle, and final pages.

What is the current input limit for Page Numbers?

PDF; One PDF ≤50 MiB, ≤500 pages.

What does Page Numbers create?

Adds visible page-number text to the PDF pages; source pages are not rasterized by default. One PDF ≤150 MiB with added page-number marks.

Open Page Numbers→