How to convert FLV to AVI, MP4, MPEG, MP3 on Mac OS?
Step 1. Launch the FLV converter for Mac program and Login your Mac account. When you first launch the program, you will get a pop-up window asking you to input the password of your Mac login account. This step is very important for the program’s Sniffer function. Please follow the steps as stated in the pop-up window below: After re-launching the program, you can turn on the Sniffer function. Step 2. Download online YouTube videos. Open the web page of the video you want to download, and when it starts to play, the program can automatically detect it and begin to download it. You can open multiple web pages to download several videos at a time. All the download tasks will be under Source list. Under the source list you can have a clear view of the Thumbnail, Object File Name, file Length, Download status and Source File of the videos. Step 3. Convert FLV files on Mac. Select the files you want to convert from the Source List, and click the Convert button to convert the selected files.