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% 客戶端

PDF Page Counter & Inspector

快速計算 PDF 頁數、偵測頁面尺寸（A4、Letter）、方向和文件統計資料。

零上傳

永遠不會離開瀏覽器

即時速度

WASM 加速

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

簡單的工作流程

如何使用這個工具

只需三個快速步驟即可獲得結果，無需任何學習曲線。

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.

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常見問題解答

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PDF Page Counter & Inspector

Drag & Drop your files here

如何使用這個工具

Select PDF

Instant Count

Inspect Pages

常見問題解答

相關工具

PDF Metadata Editor

Split PDF

Word Counter

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PDF Page Counter & Inspector

Drag & Drop your files here

如何使用這個工具

Select PDF

Instant Count

Inspect Pages

常見問題解答

相關工具

PDF Metadata Editor

Split PDF

Word Counter