Download Document Conversion DLL C# class library To auTo-detect source format & convert To target via on-premise .NET API. Work with fonts, watermark & OCR....following types of file formats: Spreadsheet: XLSX, XLSB, XLS2003, XLT...PPTM, PPSM Image: JPC, JPEG-LS, TIFF, TIF, JPEG, JPG, PNG, GIF, BMP...