Edit PDF
Automatically number every page of your PDF — choose position, size, and color.
Drag & drop your PDF here
Drag and drop or click to select the PDF you want to number.
Pick where page numbers appear and adjust the color and font size to match your document.
Every page gets a number in your chosen style and the file downloads automatically.
This tool uses pdf-lib to load your PDF, embed a Helvetica font, and draw page numbers on each page. The entire process runs locally in your browser — no data is sent to any server.
Yes. Your file is processed entirely in your browser and never uploaded to any server. Your content remains completely private.
Yes. You can place page numbers at the bottom center, bottom right, or top right of each page.
Yes. Use the slider to adjust the font size from 8pt to 24pt. The preview updates as you drag.
Yes. The tool works in any modern browser on desktop, tablet, or mobile devices — no app installation required.