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Add Page Numbers

Stamp page numbers on every page

How it works

  1. 1. Upload your .pdf file
  2. 2. Enter your email address
  3. 3. Download your converted file

Always Free

25 free operations per year per email address. Resets every January.

About Add Page Numbers

PDFs created from multiple sources often lack page numbers, making navigation difficult. PDF Ninjas stamps page numbers on every page of your PDF in a clean "1 / 5" format. Choose to place them at the bottom-left, bottom-centre, or bottom-right of each page. Ideal for reports, proposals, academic papers, and any multi-page document you plan to print or share.

Page numbers are stamped directly onto the document pages in a legible font. The numbering format shows both the current page and the total page count, making it easy for readers to orient themselves and reference specific sections.

Add Page Numbers — Complete Guide

When to add page numbers to a PDF

Page numbers are essential in any document that will be referenced, printed, or reviewed in sections. Reports, proposals, academic submissions, legal documents, and manuals all benefit from numbered pages because readers can refer to "see page 12" or "appendix on page 47" without confusion. If you are assembling a PDF by merging multiple documents, the merged result may have no unified page numbering — adding numbers after merging gives the combined document a clean, professional page sequence. Page numbers are also required for many academic and professional submission formats.

Choosing the right position for page numbers

Bottom-centre is the most common and neutral placement — it works for almost every document type and mimics how books and reports traditionally number pages. Bottom-right is preferred for legal documents and formal reports, where right-aligned page numbers create a cleaner look with generous white space on the left. Bottom-left is less common but useful if the right margin of your document already contains text or graphics that would be obscured by a right-aligned number. Consider the content of your document when choosing: check that the page number placement does not overlap with any existing footer content.

Page numbers after merging

A common workflow is to merge several PDFs first, then add page numbers to the combined document. This produces a consistent numbered sequence from page 1 through the end of the merged document. If you add page numbers before merging, each section will have its own numbering sequence, which is confusing. The correct order is always: merge first, then number. If you need to add a table of contents or section headers after numbering, you will need to remove the old numbers, add the new content, and re-number — so it is wise to finalise the document structure before adding page numbers.

Frequently Asked Questions

What format are the page numbers?▾
Page numbers appear as "1 / 5", "2 / 5" etc., showing the current page and total page count.
Where can I position the page numbers?▾
Choose between bottom-left, bottom-centre, or bottom-right.
Can I start numbering from a page other than 1?▾
Currently numbering always starts from page 1. Support for custom start numbers may be added in future.
Will the page numbers cover my content?▾
Page numbers are placed in the bottom margin area. If your PDF has content very close to the bottom edge, there may be some overlap.
Can I change the font or size of the page numbers?▾
Currently the font and size are set automatically for readability. Custom styling options may be added in future.
Should I add page numbers before or after merging PDFs?▾
Always merge first, then add page numbers to the combined document. This ensures a single consistent numbering sequence across all sections.