How to Number a PDF After Merging Pages
Merge first and number second. A final numbering pass creates one sequence and keeps cover-page arithmetic clear.
Drop a PDF hereThe file is read in your browser and never uploaded.
Guides and articles
Read instructions and examples for this tool.
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Number a merged or scanned PDF. Review position, format, start value, and the arithmetic that decides what Page 3 of 12 really means.
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Why Use Our PDF Page Numbers Tool?
A merged PDF arrives with no page numbers, and it needs them before it can be printed, cited or discussed on a call. The job takes seconds and usually costs an install or an upload. This page draws the numbers in your browser and gives the file straight back, with the two options that actually matter: where they sit and whether the title page gets one.
Numbering pages is drawing a small piece of text in the same place on every page. The interesting part is not the drawing, it is the two questions of arithmetic that a tool either gets right or gets quietly wrong.
The first is what to do about a title page. A cover is not page 1 in the sense a reader means, so Skip the first page leaves it bare and starts numbering on the next sheet — and that sheet becomes number 1, not 2, because the count follows the numbering rather than the file.
The second is what {total} means. In a twelve-page document with a skipped cover, the honest total is 11: eleven pages carry a number, so the last one reads 11 of 11. A tool that printed 12 there would be describing a page that has no number.
Start at exists for the case where one document continues another. Set it to the number after the last one in the previous file and a split report reads as a single sequence.
Position matters more than it looks. Bottom centre collides with the least existing content across the widest range of documents, which is why it is the default — but a document with its own footer will need one of the corners instead.
How it compares
Most online page-numbering tools upload the file first. A contract or a set of minutes is not something to hand to a third party for a job this small, and this page never sends it anywhere.
Word processors number pages while you write, which is no help once the document is a PDF — especially one merged from several sources. If you also need a mark on the pages, PDF Watermark is the other common finishing step, and PDF Merger is usually what created the unnumbered file in the first place.
PDF Page Numbers Tips
- Skip the first page is what a title page wants. Numbering then starts on page 2, and that page gets the number you set as Start at.
- Page {n} of {total} counts only the pages that are numbered, so skipping a title page gives 1 of 11 on a twelve-page file rather than 2 of 12.
- Start at is for a document that continues another one — set it to carry on where the previous file stopped.
- Bottom centre is the least likely position to collide with existing content. Check a page with a footer before you commit.
- Numbers are drawn on top and change nothing underneath, so the original text stays selectable.
Frequently Asked Questions
Is my PDF uploaded?
No. The file is read and rewritten in your browser. Nothing is sent to a server.
Can I skip the cover page?
Yes. Turn on Skip the first page. Numbering then starts on the second sheet, and that sheet gets the number you set as Start at.
What does {total} count?
Only the pages that are numbered. With a skipped cover on a twelve-page file, the last page reads 11 of 11 rather than 12 of 12, because eleven pages carry a number.
Can I start at a number other than 1?
Yes. Set Start at to whatever you need. It is what you want when this file continues another one.
Which formats are supported?
Any text containing {n}, and optionally {total}. So a bare {n}, Page {n}, Page {n} of {total}, and - {n} - all work.
Where should the numbers go?
Bottom centre collides with existing content least often, which is why it is the default. Use a corner instead if the document already has a footer.
Will it cover up existing text?
It is drawn on top, so it could sit over a footer that is already there. Check one page before you number a long document.
Does it change the original text?
No. Nothing underneath is touched, and the existing text stays selectable and searchable.
Does it do Bates numbering?
Not the legal form with a prefix and fixed-width padding. The format field handles a plain sequence with any surrounding text.
Can I use this from a script or an AI client?
Yes. The same numbering is available over HTTP and to MCP clients, so an agent can number a document without opening this page.