Why use an online page counter instead of opening a reader?

Our tool instantly reveals technical metrics including exact millimeter dimensions, orientation shifts between pages, and standard paper sizes for printing estimation.

Does it work with large 500+ page PDF documents?

Yes! Client-side parsing reads only the document catalog, counting thousands of pages in milliseconds.

PDF 100% Client-Side

PDF Page Counter & Inspector

Quickly count PDF pages, detect page dimensions (A4, Letter), orientation, and document stats.

Zero Upload

Never leaves browser

Instant Speed

WASM accelerated

Drag & Drop your files here

or click to browse from your device

Instantaneous page count calculation without uploading to servers

Automatic paper size detection (A4, US Letter, A3, Legal, A5)

Per-page dimensions in millimeters (mm) and typographic points (pt)

Portrait and Landscape page orientation breakdown

Estimated document reading time calculator

Simple Workflow

How to use this tool

Get results in three quick steps without any learning curve.

Select PDF

Upload or drop your PDF document.

Instant Count

View total pages, paper format, and document metrics immediately.

Inspect Pages

Review the breakdown table showing individual dimensions per page.

Need Help?

Frequently Asked Questions

Everything you need to know about this tool.

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