A PHP script that uses Google Viewer to analyze and report the number of a document pages. Since it uses Google Viewer to do this analysis, the document must have a size smaller than 25mb and be in the following extensions (PDF, DOC, DOCX, TXT, XLS XLSX, PPT, PPTX).
http://127.0.0.1/pages.php?link=https://calibre-ebook.com/downloads/demos/demo.docx