PDF Page Size Checker
Check every page size in any PDF (points, inches, mm, paper size). Free, no signup.
Tool Interface
Upload a PDF
Page sizes
| Page | Points (pt) | Inches (in) | Millimetres (mm) | Paper size | Orientation |
|---|
How to use
- Drop a PDF file above or click to choose one.
- Each page is measured from its PDF media box (the true page size in points).
- Results show dimensions in points, inches and millimetres, the closest standard paper size (A4, Letter, Legal…), and orientation.
- If pages differ in size, they are flagged — useful before printing or merging documents.
100% private — the PDF is read entirely in your browser with the open-source PDF.js library. It never leaves your device.
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About This Tool
Check Every Page Size in a PDF
The PDF Page Size Checker measures every page of a PDF document. Drop a PDF file onto the tool or click to choose one. Each page is measured from its PDF media box, the true page size in points, and the results show dimensions in points, inches and millimetres, plus the closest standard paper size (A4, Letter, Legal and more) and the orientation.
If pages differ in size, they are flagged, which is useful before printing or merging documents. Every page is measured locally in your browser with the open source PDF.js library. Nothing is uploaded. The tool is free and needs no signup.
How to Use the PDF Page Size Checker
Three steps to full page data.
- Drop your PDF: Drag a PDF onto the tool or click to choose one.
- Wait for measuring: Each page is read and measured automatically.
- Read the table: See page by page dimensions, paper sizes and orientations. Use Check another PDF for the next file.
What the Results Show
- Points: The native PDF unit. 72 points equal one inch.
- Inches and millimetres: Real world dimensions for printing.
- Paper size: The closest standard size, like A4 or Letter.
- Orientation: Portrait or landscape per page.
- Mixed sizes flagged: Pages that differ from the rest are highlighted.
Key Features
- Every page measured: Full document breakdown, not just page one.
- Three units: Points, inches and millimetres side by side.
- Standard sizes detected: A4, Letter, Legal and more recognized automatically.
- Mixed size alerts: Spot inconsistent pages before printing.
- 100 percent private: The PDF is read entirely in your browser with PDF.js.
Frequently Asked Questions (FAQ)
Is the PDF Page Size Checker free? Yes. It is completely free with no signup.
What is a media box? The PDF media box defines the true page boundaries in points. The tool measures from it directly.
Why do page sizes matter? Mixed sizes cause printing surprises and merging headaches. Checking first saves paper and time.
Are my PDFs uploaded? No. The PDF is read entirely in your browser with the open source PDF.js library.
Which paper sizes are detected? Common standards including A4, Letter, Legal and more.
Can I check another PDF? Yes. Click Check another PDF to measure the next file.
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