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PDF Page Size Analyzer
Measure PDF page dimensions in points, millimetres and inches, straight from the file.
Measure PDF page sizes
MediaBox entries found: —
First page: —
In millimetres: —
In inches: —
Closest standard size: —
Distinct sizes: —
How to use the PDF Page Size Analyzer
- Choose a PDF file from your device.
- Click Measure pages to scan every MediaBox value.
- Compare the point, millimetre and inch figures for each page.
Features
- Width and height in points, mm and inches
- Recognises A3, A4, A5, Letter, Legal and Tabloid
- Lists every distinct page size in the file
- Reads the file locally in your browser
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Frequently Asked Questions
Common questions about the free online pdf page size analyzer.
Open the file with this tool and the first page MediaBox is converted into points,
millimetres and inches instantly.
It is the rectangle that defines the physical page boundaries of a PDF page, stored in
points.
PDF stores all page geometry in points, where 72 points equal one inch, so the raw values are
points.
A4 measures 210 by 297 millimetres, which is 595 by 842 points and 8.27 by 11.69 inches.
Yes. When the width is larger than the height the tool labels the closest standard size as
landscape.
Then the pages live inside compressed object streams, and a full PDF parser would be needed
to read them.
Rotation is reported as stored. A page with a Rotate value keeps its original MediaBox width
and height.
No. The file is parsed in your browser and nothing is sent to a server.
Yes, the analyzer is completely free with no sign-up and no usage limits.
Last updated: October 10, 2026