The 1.0 version of CleanOpenWith for Mac was provided as a free download on our website. The most popular versions of the software are 1.0 and 0.1. Our antivirus scan shows that this Mac download is safe. This free Mac application was originally created by UP4B LLC.
From the developer:
CleanOpenWith is a simple AppleScript to keep clean the OpenWith menu on OS X. This app is very easy to use: Open Terminal (Applications / Utilities / Terminal.app) and
Type in the following command : /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -kill -r -domain local -domain system -domain user.