PDF Page Size Checker
Inspect exact page dimensions, orientation, rotation, and standard formats (A4, Letter, A3) for every page in a PDF file.
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How to Use the PDF Page Size Checker
Upload any PDF file to inspect the width, height, rotation angle, and orientation of each page. The tool converts points to millimeters and inches, identifies standard formats with accurate tolerances, detects mixed-size documents, and lets you export a CSV audit report.
Calculation Examples
Verifying Print Compliance
Ensures document complies with regional printing standards.
Frequently Asked Questions
What measurement units are displayed?
Dimensions are shown in PDF points (pt), millimeters (mm), and inches (in), along with rotation angles and orientation (Portrait / Landscape).
How does it detect standard formats like A4 or Letter?
It matches page dimensions against ISO (A0–A6) and ANSI/North American standards (Letter, Legal, Tabloid, Executive) using a documented tolerance threshold of ±4 points.
Can this tool detect if a PDF has mixed page sizes?
Yes. It audits every page individually and explicitly indicates whether the document is uniform or has mixed sizes and orientations.