Is my file uploaded to a server?

No. This tool runs entirely in your browser via WebAssembly — your file never leaves your device. You can verify this in your browser's DevTools Network tab.

Can I choose where the number appears?

Yes — pick any of nine positions, the format (1, 2, 3 · Page 1 of N · roman · letters), font size, colour, and margin, with a live preview.

Can I skip the cover page?

Yes — toggle 'Skip first page', and set which page numbering starts on and the first number to use.

Add Page Numbers

Number every page — choose format, position, and style with live preview.

Local processing — your files never leave your browser