doconv

It provides the ability to generate images from documents of different types. Three main features are provided: functions for generating document thumbnails, functions for performing visual tests of documents and a function for updating fields and table of contents of a 'Microsoft Word' or 'RTF' document. In order to work, 'LibreOffice' must be installed on the machine and or 'Microsoft Word'. If the latter is available, it can be used to produce PDF documents or images identical to the originals; otherwise, 'LibreOffice' is used and the rendering can be sometimes different from the original documents.