Check PDF page sizes
Find out whether your PDF is A4, Letter or something custom – page by page – before printing or submitting it.
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How to check the page size of a PDF
- Select a PDF.
- Click "PDF Page Size Checker".
- See each page size in mm, inches and points along with the detected paper format.
- Fix mismatched pages with Crop PDF or Rotate PDF if needed.
Why use TotoPDF PDF Page Size Checker?
Three units
Millimetres, inches and PDF points for every page.
Paper size detection
Recognises A-series, Letter, Legal, Tabloid and more.
Mixed-size alerts
Quickly spot pages that differ from the rest.
Orientation shown
Portrait or landscape, including page rotation.
Frequently asked questions
A4 is 595 × 842 points, which equals 210 × 297 mm.
When page size differs from the paper, printers fit the page and margins change. Check sizes first.
Yes. Each page has its own size; this tool lists them all.
Yes, the visible (crop box) size is reported.