Explorer Integration
Extension Changer integrates with windows explorer and display the extension without opening the main window.
Batch Processing
Change the extension of many files with one click, Extension Change can apply the change to a folder recursively.
Skins
Extension Changer is skinnable, two default skins are included in the installation file. You can also create your own skin with little effort.
Check For Updates
Know when a new version is released. You can also find more information about a specific extension like what programs support opening this type.