FLV converter for Mac os X is currently the best software running on Mac to convert FLV videos to other video with high out-put quality and fast converting speed.
Ideal Way to Convert MP4 to MOV Mac OS X
Guide: how to use MP4 to MOV for Mac
There are two versions for your mac: Intel version and PowerPC version. Choose the proper one into your mac. This is the interface:
Add mp4 video files: click button and you can select one or more mp4 video files from your hard disk, then click Open to add them.
All loaded video files will be shown in Filename list. You can preview them with the screen on the right pane of the main interface.
Make sure the output profile and destination folder.
Then click button to convert mp4 to mov mac with MP4 to MOV for Mac.
The conversion window will show you conversion progress. You just need to wait until the conversion is finished, and then enjoy the converted videos with Quicktime player.