C# .NET document parsing API to extract text, images, metadata & encoding from databases, PDF, Word, Excel, presentations, web, email, EPUB & zip file formats....XLS, XLSX, XLSM, XLSB, XLT, XLTX, XLTM, XLA, XLAM Presentations...App FB2 BMP PDF ODS DOTX PPT XLTX PPTX JPEG OTS DOT POTM XLSX...