Browser tool · No install

Add Page Numbers to a PDF

Stamp a running number into the header or footer, with the format, the position and the starting count set by hand. The number is written on this machine and a clean copy of the source file is kept.

Document format work by OnlinePCApps since 2013

No upload No sign-up Header or footer Free
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Sign-ups needed
Pages per file
$0
Price, always
Why number pages

Three Documents That Are Hard to Navigate

Each of these is slower to work with than it should be. A number on every page fixes that.

A Long Report With No Reference

A forty-page report with no numbers gives a reader no way to point at a spot. Asking someone to find a paragraph means scrolling and guessing rather than turning to a page.

A footer number gives every page a name to cite.

Front Matter Before the Body

A contents page and a preface are not chapter one. Numbering them with the same run as the body makes the first real page read as page five rather than page one.

Roman numerals mark the front matter apart from the body.

A Section Cut From a Larger File

Pages pulled from a bigger document should keep their place in it. A section that was pages twenty-five to fifty needs to start at twenty-five, not at one.

A custom start count continues the original sequence.
How it works

Add Page Numbers in Three Steps

1

Load the PDF

Drop a file onto the panel above or pick one from the device. It opens on the machine ready to number, and no copy is sent out.

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2

Set the Format and Position

Choose the number style, the header or footer spot and where the count begins. A live preview shows the number on the page before it is applied.

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3

Save the Numbered Copy

The numbered file downloads beside the original. The source PDF is left untouched, so a clean unnumbered master is always kept.

Several formats Digits, Roman numerals or Page X of Y
Header or footer Left, center or right
Start where wanted Skip the cover or continue from a count
Need it faster?

Number a Whole Set in Sequence

Single files are quick to number right here. When a stack of documents needs one running count across all of them, or a legal set needs Bates numbering, the desktop app reads each PDF and continues the sequence from file to file, straight from disk.

Get Desktop Version Free trial · Windows 7 to 11
What the tool does

A Count Drawn Into the Margin

A page number is text placed in the header or footer of each page. The control over how it reads and where it sits is what keeps it clear.

Pick a Format

Plain digits for most files, lower-case Roman numerals for front matter, letters, a Page X style or Page X of Y that shows the total alongside the current page.

Header or Footer

The count sits at the top or the bottom, aligned left, center or right. A bottom-center number is the safe default, while an outer corner suits a document that will be bound.

Start and Range

The count can begin at any number and cover the whole file or a range, so a cover page stays clean and a pulled section carries on from where it sat in the original.

Prefix and Suffix

Text can wrap the number, turning a bare 3 into Page 3 or Page 3 of 40. A prefix also carries a case reference on the kind of numbering a legal file needs.

Adding page numbers, paginating a file and folioing a document describe one task. The count is drawn into a new copy here, and the source file is left as it was.

Reference

What Goes Into a Page Number

A page number is a small set of choices about how the count reads and where it lands. These are the controls behind it.

SettingRangeWhat it decides
Format1, i, a, Page XPlain digits, lower-case Roman numerals, letters, a Page X style or a Page X of Y that shows the total beside the current page.
Positionheader or footerThe count at the top or the bottom of the page, aligned to the left, the center or the right.
Start numberany countWhere the numbering begins. A count starting at twenty-five continues a section pulled from a larger document.
Page rangeall or a rangeEvery page or only the pages picked, the odd or even set among them, so a cover or a front-matter run can be numbered apart from the body.
Skip firston or offLeaves the cover clean while the count still begins where set, so the title page carries no number.
Prefix, suffixfree textText around the number as a custom format, turning a bare 3 into Page 3, Page 3 of 40 or a case reference on a legal file.
Marginpoints from edgeHow far the count sits from the edge, set so it clears the body text and does not crowd the corner.
Font, size, colorbase PDF fontsHelvetica, Times or Courier at a chosen size and color. These base fonts render the same everywhere, since a reader always has them.
Layerdrawn textThe number is text drawn into the page margin, part of the page content rather than a viewer setting.

A Stamped Number, Not a Viewer Label

The count this tool adds is drawn onto the page, so it prints and travels with the file. That is a physical number, different from the logical page label a reader shows in a viewer, which is only a display setting. The tool adds a fresh count rather than fixing one already printed in the body, so a preview matters where a document already carries numbers. The standards below define the page content a number is drawn into.

Honest comparison

In the Browser vs a Hosted Numberer

Both stamp a count onto a PDF. The difference is where the file goes and whether the numbering can run across a whole set.

Point of comparison This tool Numbered in the browser Stamped on the device Hosted numberers Uploaded and stamped on a server
Where the file goes Never leaves the device Goes up to a server
Formats and position Full set, with a preview Usually the same
Anything extra stamped on Nothing but the count A free-tier line on some
One count across many files One file in the browser Sequence across a set
Bates numbering for legal sets Left to the desktop Built in on many

Those last two rows belong to the hosted services, and they are the fair reason to upload. A single count across many files, and Bates numbering for a legal bundle, both want a server or the desktop app. Everywhere else the browser is enough, and the document stays put.

Why no upload

The PDF Never Leaves the Device

Placing a number in a margin is a light edit the browser runs on the file it already has open. Nothing about it needs a server, so the count goes on within the page and nothing is sent away.

The file is often a draft contract or an internal report not ready to travel. Because it is never received here, no copy waits on a server and no deletion promise has to be believed.

1. Open the browser developer tools at the Network tab
2. Clear the list and leave it recording
3. Add page numbers with the panel above
Nothing is logged. The count was drawn where the file was opened.
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Bytes uploaded
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Server round trips
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Accounts required
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Files retained
Alternatives

Other Ways to Number a PDF

Each of these writes a count onto a page. What sets them apart is how much they let a person control and whether the work stays on the machine.

Adobe Acrobat

Edit then Header and Footer then Add inserts a number with a format and margin.
Bates numbering and prefixes for legal files sit in the same panel.
The header and footer tools sit behind the paid tier of Acrobat.

Number in the Source File

Word or a layout app adds a page number in its footer before export.
Exporting to PDF then carries the count into the file.
This only works while the editable source file is still to hand.

Command Line, cpdf or pdftk

cpdf adds page numbers with a format string and a position flag.
It is scriptable, which suits numbering many files the same way.
The format is set in text flags, and it installs software.

LibreOffice Draw

Open the PDF in Draw and place a text box on each page.
Type the count by hand and export the file back to PDF.
There is no running count, so every page is numbered by hand.

Each of these keeps the file on the computer it opened on, apart from hosted numberers that ask for an upload. The tool above does the same.

Before numbering

Three Things to Get Right on a Count

A page number is quick to add and easy to place badly. These three keep it useful.

Decide on the Cover

A title page usually carries no number. The skip-first option leaves it clean, and the count can still treat the cover as page one so the second sheet reads as page two.

Place It Clear of the Text

Bottom-center works for almost every document. An outer corner suits a file that will be printed and bound. The margin should hold the number away from the body and any footer text already there.

Preview for a Double Count

A document that already prints numbers in its body will end up with two if a fresh count goes on. A quick look at the preview catches the clash or the overlap before the file is saved.

The desktop edition

When One Count Spans Many Files

The browser tool numbers one document at a time, held in memory. A set of files that share a single running count, or a legal bundle that needs Bates numbering across every page, is work for the desktop edition, which reads from disk and continues the sequence from one file to the next.

In a browser tabone file at a time, held in memory
On the desktopone sequence across a whole stack
One Running Count

Point it at a folder and the numbering carries on from file to file, so a set reads as one continuous document.

Bates Numbering

A unique sequential identifier with a prefix and a digit count marks every page of a legal or medical set for tracking.

Saved Presets

A saved header and footer profile numbers a batch the same way each time, which suits a report that goes out on a schedule.

Common questions

Add Page Numbers Questions

Plain digits for most documents, lower-case Roman numerals for front matter, letters, a Page X style and a Page X of Y that shows the total beside the current page. The format is picked before the count is applied and shown in a preview.
Either. The count sits at the top or the bottom of the page, aligned left, center or right. Bottom-center is the safe default, while an outer corner suits a document that will be printed and bound on one side.
Yes. The skip-first option leaves the title page clean while the count begins on the next sheet. The cover can still be counted as page one so the second page reads as page two, or the numbering can start fresh from there.
Yes. A custom start count is set for a section pulled from a larger file. Pages that were twenty-five to fifty in the original can begin at twenty-five here, so the section keeps its place in the whole.
Yes. Lower-case Roman numerals are the convention for a preface, a contents page and acknowledgements, before Arabic numbering starts at the first chapter. Numbering a range separately handles the front matter and the body in one file.
Yes. That format prints the current page and the full page count together, such as Page 3 of 40, which tells a reader how much of the document is left. It is the format filings and official submissions often ask for. The total is read from the file and filled in on each page.
Standard page numbering counts the pages within one document for reading and reference. Bates numbering applies a unique sequential identifier, often with a prefix, across a set of files for legal or medical tracking. A running Bates sequence across many files is handled by the desktop edition.
No. The count is drawn into the header or footer margin, clear of the body. It is worth a look at the preview where a document has tight margins or existing footer text, so the number lands in open space rather than on top of content.
No. The tool adds a fresh count rather than editing one already in the body. A file that already shows numbers will carry two if a new count goes on, so the preview is the place to catch that before saving.
No. The number this tool adds is drawn onto the page, so it prints and travels with the file. A page label shown in a reader is a logical display setting on that viewer, while the stamped number is physical and part of the document.
No. A fresh numbered copy is written for download and the source stays as it was. Keeping the unnumbered master means the same document can be numbered a different way later without redoing the work.
No. Placing a number is something the browser does to the file already open on the device. With no upload address on this site, the document is never transmitted and no server handles it. The Network tab in the developer tools records nothing while a count is added.
Not until the password is entered. A restricted file has to be opened with its password before any tool can reach the pages to number them. Once it opens, the same numbering applies.
Yes, from any mobile browser with nothing to install. Adding a footer count to a report before sending it on is quick from a phone. Placing a number precisely is easier to check on a larger screen.
It works in every up-to-date browser, on a desktop, a laptop, a tablet or a phone. There is nothing to install and no add-on to switch on.
Hosting a plain page costs almost nothing when the numbering runs in the browser, and no document is taken in to keep. The desktop edition, paid for its running counts and Bates numbering, funds the free browser tools.

OnlinePCApps Documents Group

Written and reviewed by Nadia Haq, who has worked on PDF pagination and document layout here since 2013

Last reviewed August 2026
13
Years on file formats
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Files uploaded
5
Number formats supported
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Accounts required

A page number is not a built-in property of a PDF but text drawn into the margin of each page. The tool places that text in the header or footer at the format, the position and the starting count set, then writes it into a new file. Because the count becomes part of the page content, it prints and travels with the document, unlike the page label a viewer shows, which stays with the reader. On this page the numbering runs in JavaScript on the device page by page, with nothing sent to a server.

Specifications followed

ISO 32000 · Page content Header and footer text Arabic and Roman formats Base PDF fonts
Built on the same shared design system as every OnlinePCApps tool. onlinepcapps.com

Add Page Numbers to a PDF

Free, no sign-up and no upload. The count is drawn on the device and the original file is left untouched.

Add Page Numbers Free, no account Try Desktop Edition For sets and Bates numbering
Add Page Numbers