Apago Inc PDFspy (PC) (download version) [?]

Some examples of the many types of information PDFspy can extract: Page information (count, size, boxes) Fonts usage (name, type, embedding & subset status, use of Unicode) Colorspaces used (alternates, separation names, index bases) Images (size, resolution, compression, colorspace) Use of transparency, smooth shadings and patterns Presence (or absence) of hidden text and optional content/layers Hyperlinks (size, location and destination) Annotations (size, location, type, contents, colors) PDF/X compliance (including output intent details) Metadata (info dictionary & XMP) Security and Encryption settings

Everything you always wanted to know about your PDF ...

PDFspy is the ultimate “get info” utility for your PDF documents. It can extract a comprehensive list of attributes from a PDF file into an XML-based format

Asset management system: extract page count, metadata, font & image information
Document management: determine text or image only documents, extract comments
Preflight: extract information about colorspaces, compression & font types
Developers: easily examine the structure of complex PDF documents