Tutorial guide of how to convert flv on Mac:
Install MAC FLV Converter software to your computer, and an interface will appear asFollowing:

Add the flv files to the Mac FLV Converter software and then click the preview button to see the preview .

Choose any output format as you want on Mac.

You can edit loaded video files by triming, cropping and adjusting video effect as you like.
Click the
to convert flv to Mac.

The steps are simple you can just try it by yourself!