Last updated: March 2026
What Is PDF Page Numbering?
PDF page numbering is the process of adding sequential numbers to the pages of a PDF document after it has been created. Unlike word processing documents where page numbers are part of the template, PDFs are static files — adding numbers requires modifying the file itself.
This is one of the most requested PDF operations. Whether you exported a report from a design tool, received a document without page numbers, or need to re-number pages after merging multiple PDFs, a page numbering tool solves the problem instantly without re-exporting from the original source.
Our tool processes your PDF entirely in the browser. The numbered PDF is generated on your device, ensuring complete privacy for sensitive documents like financial statements, legal briefs, and personnel files.
How to Number PDF Pages
Upload your document. Drop your PDF onto the upload area or click to select a file from your device. You will see the filename, page count, and file size immediately after upload.
Set the position and format. Use the position grid to place numbers exactly where you want them — six options covering all corners and centers of the top and bottom margins. Choose from built-in formats like simple numbers, "Page X of Y", or create your own custom template.
Customize appearance. Select your preferred font (Helvetica, Times New Roman, or Courier), adjust the size from 8 to 16 points, and pick a color. The live preview updates in real time so you can see the result before processing.
Download the result. Click "Add Page Numbers" and the processed PDF downloads automatically. The entire operation takes seconds, even for long documents.
Advanced Numbering Options
Custom starting numbers are essential when your PDF is a section of a larger work. If your document is chapters 5-8 of a manual and chapter 4 ended on page 87, set the starting number to 88 for seamless pagination across the full document.
Skipping pages handles common scenarios like title pages, copyright pages, and blank separators that should not display numbers. Toggle the first-page skip for simple cases, or enter a comma-separated list of page numbers to skip for more complex requirements.
Page range filtering lets you number only a subset of pages. The "Odd Only" and "Even Only" options are particularly useful for documents intended for double-sided printing, where you might want numbers on the outside edges of each spread.
Margin control determines how far from the edge of the page the numbers appear. The default 36px works well for most documents, but you may need to increase it for documents with narrow trim margins or decrease it for documents with generous white space.
Common Use Cases for PDF Page Numbering
Post-merge numbering. After combining multiple PDFs into one document, the merged file often lacks consistent page numbering. Running the merged PDF through this tool adds clean, sequential numbers across the entire document — regardless of what the original files contained.
Design exports. Tools like Figma, Canva, and InDesign export PDFs that may not include page numbers in the design. Adding them after export keeps the design clean during the creative process while ensuring the final deliverable is properly paginated.
Scanned documents. Scanned paper documents converted to PDF rarely have digital page numbers. Adding them makes the digital version far easier to navigate and reference, especially for multi-page scans of reports, archived records, or historical documents.
Court and government filings. Many courts and agencies require page-numbered submissions with specific formatting. The "Page X of Y" format is frequently mandated for legal filings to confirm that all pages are present and in order.
Frequently Asked Questions
How do I skip the cover page when numbering?
After uploading your PDF, enable the 'Don't number first page' toggle. The first page will be left without a number, and numbering starts on the second page. You can also enter specific page numbers to skip in the skip pages field — for example, enter '1, 2' to skip both the cover and table of contents.
Can I number only certain pages in my PDF?
Yes. Use the Page Range option to choose from All Pages, a specific page range (e.g., pages 3 to 20), Odd Pages Only, or Even Pages Only. Combined with the skip pages feature, you have complete control over which pages receive numbers.
What number formats are available?
Six built-in formats: simple numbers (1, 2, 3), 'Page 1' prefix style, 'Page 1 of X' with total count, centered dashes '- 1 -', fraction style '1/X', and a fully custom format where you define the template using {n} for page number and {total} for total pages.
Will this tool work with large PDFs?
Yes. The tool handles PDFs up to 50 MB and any page count. Processing happens in your browser, so speed depends on your device — a 200-page document typically takes 2-5 seconds on a modern computer or phone.
Can I change the font and color of page numbers?
Absolutely. Choose from Helvetica, Times New Roman, or Courier fonts. Adjust the size from 8pt to 16pt with a slider. Pick black, gray, or any custom color using the color picker. All options update in the live preview so you can see exactly how they will look.
Are my PDF files stored or uploaded anywhere?
No. Your PDF is processed entirely within your browser using JavaScript. The file never leaves your device, is never transmitted over the internet, and is never stored on any server. When you close the tab, the data is completely gone from memory.