How to Add Page Numbers to a PDF (Free, No Software)

You Finished the Document — But Forgot the Page Numbers

You've got a 40-page report, a contract, or a thesis. Everything looks polished except for one thing: there are no page numbers. Your professor, client, or printer needs them. And you don't have Adobe Acrobat.

Here's the fix. You can add page numbers to any PDF for free using PDFShift's Page Numbers tool — directly in your browser. No software to install, no files uploaded to a server. It takes about 10 seconds.

How to Add Page Numbers (Step by Step)

1. Open the Page Numbers tool on PDFShift
2. Drop your PDF into the upload area (or click to browse)
3. Choose your options:
   • Position: bottom-center, bottom-left, or bottom-right
   • Format: plain numbers (1, 2, 3), "Page 1", or "Page 1 of 10"
   • Starting number: useful if your document starts on page 5 of a larger set
   • Font size: 10px to 16px depending on your preference
4. Click "Add Page Numbers" — processing happens instantly in your browser
5. Download your numbered PDF

That's it. The original content, formatting, and layout stay identical. Only the page numbers are added.

When Page Numbers Actually Matter

Page numbers aren't just a formatting nicety. They're required in specific situations:

Academic papers and theses. APA, MLA, and Chicago style all mandate page numbers. Most require them in the header or footer with specific formatting. If you've exported your paper from Google Docs or Word without page numbers embedded in the PDF, this tool fixes it.

Legal documents and contracts. Courts and opposing counsel reference specific pages. A contract without page numbers is harder to navigate and looks unprofessional. If you're sending a 20-page agreement, number the pages.

Printed booklets and reports. Without page numbers, a dropped stack of printed pages becomes an unsortable mess. This is especially true for training manuals, employee handbooks, and multi-chapter reports.

Multi-document merges. If you've used PDFShift's Merge tool to combine several PDFs into one, the resulting document probably has no continuous page numbering. Add them after merging for a clean final document.

Choosing the Right Position and Format

Most professional documents use bottom-center positioning. It's the standard for reports, contracts, and academic papers.

Bottom-right works well for documents that will be bound or hole-punched on the left side — the numbers stay visible.

Bottom-left is less common but useful for right-bound documents or when you want the numbers out of the way of right-aligned footer content.

For format, plain numbers (1, 2, 3) are the most universal. "Page 1 of 10" is useful when the total page count matters — think legal filings where completeness is important. "Page 1" is a middle ground.

What About Documents That Already Have Page Numbers?

If your PDF already has page numbers from the original application (Word, Google Docs, etc.), adding numbers through PDFShift will place a second set. The tool doesn't detect existing numbers — it stamps new ones onto the page.

In that case, you don't need this tool. But if you've split a document and the numbering is now wrong, or you've merged multiple files and need fresh sequential numbers, this solves the problem.

Why Not Just Use Word or Google Docs?

You could open the source file, add page numbers there, and re-export. But that assumes:

• You still have the source file
• The source file opens correctly (formatting issues happen all the time between Word versions)
• You have the software installed
• You want to spend 5 minutes finding the page number setting buried in menus

If someone sent you a PDF and you need to add page numbers before forwarding it, reopening in Word is the slow way. PDFShift does it directly on the PDF in seconds.

Privacy: Your Files Stay on Your Device

PDFShift processes everything in your browser using JavaScript. Your PDF never leaves your computer — it's never uploaded to a server, never stored anywhere, never seen by anyone. This matters when you're working with contracts, financial reports, medical records, or anything sensitive.

Quick Tips

• Start numbering from a specific page: Set the starting number to skip title pages or table of contents. If your content starts on page 3, set the start number to 3.
• Combine with other tools: Merge several PDFs first, then add page numbers to the combined document for continuous numbering.
• Font size matters: 10px is subtle and professional. 14-16px is better for presentations or documents viewed on screen.
• Check the result: Download and open the PDF to verify positioning looks right before sending.

The Bottom Line

Adding page numbers to a PDF shouldn't require paid software or a complicated workflow. Drop your file into PDFShift's Page Numbers tool, pick your settings, and download the result. Takes 10 seconds, costs nothing, and your file never leaves your browser.