Add Page Numbers

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Stamp automatic, aligned page numbering into your document headers or footers.

Select or Drop a PDF file

Drag and drop your document here, or browse files from your computer

Numbering Layout

OneToolPDF Guide & Overview

Add Page Numbers to PDF Online — Number PDF Pages Easily

Add a visible numbering label to each page using a selected position and starting number.

For a report that continues an existing volume, start numbering at 21. The first output page should show 21 rather than 1.

Numbers are added over the page content. They do not update a table of contents, printed references or existing PDF page labels.

How to Use Page Numbers in 3 Easy Steps

Prepare the input, process it, and verify the saved output.

1Step 1

Prepare your input

Select the PDF and choose the starting number and label format.

2Step 2

Process the document

Choose a position and size that leave room around the original text, then apply.

3Step 3

Check the saved result

Check the first and final page numbers and ensure labels do not overlap footnotes or page edges.

Why Use OneToolPDF for Page Numbers?

Engineered for productivity, privacy, and precision formatting.

Practical example

For a report that continues an existing volume, start numbering at 21. The first output page should show 21 rather than 1.

Limitations to know before processing

Numbers are added over the page content. They do not update a table of contents, printed references or existing PDF page labels.

Browser processing and file handling

This available tool processes document content in your browser. Choosing a file does not send its contents to our conversion server.

No account is needed for this tool.
Large documents can exhaust browser memory; close unused tabs or try a smaller copy.
Downloads remain on your device until you remove them. Keep original files until you have checked the output.

Frequently Asked Questions

Common questions regarding Page Numbers.

Select the PDF and choose the starting number and label format.

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