C# .NET document parsing API to extract text, images, metadata & encoding from databases, PDF, Word, Excel, presentations, web, email, EPUB & zip file formats....DOTM, DOTX, DOCM, RTF, ODT, OTT, TXT, MD, WordprocessingML (XML)...DOC, DOCX, DOT, DOTX, DOTM, OTT, ODT Spreadsheets : XLS, XLSX...