Download of mConverter 0.1 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. MConverter for Mac is included in Audio & Video Tools. The most popular version of the program is 0.1. The actual developer of this free Mac application is Nick Goodliff. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
mConverter is the great new Open Source application for Mac OS X that will enable you to easily convert any video files. Still in early alpha stage, mConverter will so far convert to MPEG-2 DVD format for authoring with either Toast Titanium or DVDAuthor. Other formats will gradually be introduced. Look at the about page for more info.
You may want to check out more software for Mac, such as Bigasoft WebM Converter, which might be related to mConverter.