To convert FLV file to MOV format for Mac, a good Mac FLV to MOV converter is necessary for you, which can help you easily convert FLV file to MOV format to made it playable on your Mac OS X.
Video Converter for Mac - YouTube FLV to MOV Video Converter is the most powerful product to convert YouTube FLV video files to other video formats. With this Video Converter for Mac software, you can easily get FLV videos to MOV.
Note: If you are using Windows and want to convert FLV to MOV, you can refer to Video Converter Ultimate for Windows.
After install and run the FLV to MOV converter on your Mac, click "Add Files" button to load your FLV files.

Tips: If you want to download YouTube FLV files and play it on Mac, just download YouuTube Downloader for Mac to do the job.

After choosing the MOV output format, you just need to click "Convert" to start the task.
Tips: If you're looking for a program which can accomplish all the jobs of ripping DVD, converting audio & video formats to Mac format, check this packed Video Converter Pro for Mac.
What is FLV?
FLV, stands for Flash Video, is the name of a file format used to deliver video over the Internet using Adobe Flash Player (formerly known as Macromedia Flash Player) and has extension FLV. The most recent public release of Flash Player supports H.264 video and HE-AAC audio. Flash Video content may also be embedded within SWF files.
What is MOV?
MOV, is a file extension used by the QuickTime-wrapped files. The format was created by Apple Computer to work with multimedia files. Though MOV files are quite often found in the web, to play them in Windows computer one has to install an extra component or convert to other format. MOV is a container format and can contain video, animation, graphics, 3D and virtual reality (VR) content or text (for subtitles, for example).