Add Page Numbers to PDF
Add customizable page numbers to every page of your PDF. Pick position, font size, start number, and more — all in your browser.
Drop your PDF here
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PDF onlyHow to Add Page Numbers to PDF
Upload Your PDF
Click the upload area or drag and drop your PDF file.
Choose Settings
Select the position, font size, starting number, and any prefix or suffix text for your page numbers.
Click Add Page Numbers
The tool processes each page in your browser and embeds the numbers into the PDF.
Download
Download your numbered PDF file instantly, ready to share or print.
Frequently Asked Questions
No. The tool adds new page number text on top of the existing content. If your PDF already has page numbers baked in as text or images, they will remain. The new numbers are drawn at the margin position you choose.
Page numbers are rendered using Helvetica, a standard PDF font that displays consistently in all PDF viewers without any additional embedding.
Yes. Use the "Start Number" field to set any starting value. For example, set it to 3 if you want your first page to display "Page 3". You can also use a custom prefix or suffix for full flexibility.
The tool attempts to open the PDF ignoring owner-level restrictions. If the PDF requires an open password (user password), it may fail. Use the Unlock PDF tool first to remove password protection before adding page numbers.
No. All processing happens entirely in your browser using the PDF-lib JavaScript library. Your file never leaves your device.