Download and install FLV to MOV for Mac, run it and follow the steps below.

Step 1. Click Add File to input videos. You can directly drag and drop files into the window.
Step 2. Open Profile drop down list, choose MOV as the output format.
If you want to adjust the output video settings, click Settings button to open the Advanced Profile Settings window.
Step 3. Click Browse and choose a folder to place the converted files.
Step 4. Click Convert to start the converting.
You can check Shut Down as the after-done action in the Option window to let FLV to MOV for Mac automatically shut off your PC when all the conversions are done.
To convert YouTube video to QuickTime video is no longer a trouble with FLV to MOV for Mac, and you can enjoy funny videos downloaded from Internet on any of your Apple's device now.
Click here for video editing functions.