PDFXplorer

PDFXplorer is a small application that lets you explore the internals of any PDF file. It shows the PDF file in a tree structure, matching the PDF structure in the file.

It can be used to debug a wide range of PDF problems, from invalid references to damaged page content. PDFXplorer supports all PDF versions, its PDF engine being version independent. Also encrypted PDF files are supported. PDFXplorer toolkit has been developed entirely in C#, being 100% managed code.