pdf0.ai

Add Page Numbers to PDF — Free, Customizable

Last updated: 2026-03-11

You merged 5 PDFs into one 47-page document and now there are no page numbers. Or you need to submit a document with numbered pages but the original does not have them. Adding page numbers after the fact should not require Adobe Acrobat.

Customization Options

OptionChoicesDefault
PositionTop-left, top-center, top-right, bottom-left, bottom-center, bottom-rightBottom-center
Format1, 2, 3... | Page 1, Page 2... | 1/47, 2/47... | i, ii, iii...1, 2, 3...
Starting numberAny number1
Skip pagesSkip first N pages (for cover/TOC)0
Font size8-16pt10pt
MarginDistance from page edge30px

Common Use Cases

Add page numbers to your PDF — free, customizable.

Open Page Number Tool →

Related Tools

Page Numbers — Add numbering
PDF Merger — Combine files
PDF Editor — Edit content
PDF Rotator — Fix orientation
PDF Compressor — Reduce size
PDF Splitter — Extract pages

According to APA Style, page numbers should appear in the top-right corner of every page.

As US Courts require, legal filings must include page numbers on all documents.

Frequently Asked Questions

Is this tool free to use?

Yes, all PDF tools on PDF0.ai are completely free with no registration required.

How secure is my uploaded file?

Files are processed in memory and automatically deleted after conversion. We never store your documents.

What file size is supported?

We support files up to 100MB for all PDF operations.

Does it work on mobile?

Yes, all tools are fully responsive and work on any device including smartphones and tablets.

How long does processing take?

Most operations complete in under 30 seconds depending on file size and complexity.