File Extensions Websites
fileinfo.com
FileInfo is the central file extensions registry and contains a database of over 10,000 file types.
7,452 
$ 1,914,840.00
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
pc.net
A computer and Internet resource with a glossary of computer terms, a file extensions reference, and other helpful resources.
72,479 $ 185,040.00
filext.com
FILExt.com is the file extension source. Here you'll find a collection of file extensions; many linked to the programs that created the files. This is the FILExt home page.
76,192 $ 176,400.00
windowsfileviewer.com
File Viewer Lite is a free file viewer for Windows that allows you to open and view over 150 different file types.
145,930 $ 75,600.00