File Conversion Websites
fileformat.info
FileFormat.Info is the source for file format standards, online file conversions, and detailed file specifications, including Unicode characters, MIME types and file extensions
34,686 
$ 387,360.00
formatconversion.biz
FormatConversion.biz specialised in PDF to DWG conversion, DWG and DGN Conversion, DGN to DWG, Cad file Conversion Services, 2D to 3D CAD Conversion, 2D to Revit & BIM...
1,349,975 $ 960.00
file-extension.info
File-Extension.info will help you solve the basic issues with file extensions.
60,244 $ 223,200.00
hotfe.org
Easy searchable database of file extensions, methods of data conversion and programs as well as applications to support the files.
1,072,831 $ 960.00