PDF Page Size Checker
See the exact size and orientation of every page before printing, exporting, or sending a PDF.
Everything runs locally in your browser. Your PDF is not sent to the server.
The PDF stays in your browser. Encrypted or damaged PDFs may not be supported.
Page details
Choose a PDF
Each page's dimensions and orientation will appear here.
What it does
PDF page sizes can change between documents or even within the same file. This checker lists each page in millimetres and PDF points, and identifies its orientation without uploading the file.
How to use it
- Choose a PDF file from your device.
- Check the dimensions and orientation listed for each page.
- Copy the summary when you need to share the page specifications.
Tips
- A4 is approximately 210 × 297 mm.
- Mixed-size pages are listed separately, so you can spot an unexpected page before printing.
- The original PDF is never changed.
FAQ
Is the PDF uploaded?
No. Reading and measuring happen entirely in your browser.
Which units are shown?
Each page is shown in millimetres and PDF points.
Can it inspect a protected PDF?
Encrypted or damaged PDFs may not be readable in the browser.