This guide will show you how to use iMoviesoft FLV Converter to help you convert your FLV and YouTube videos to popular video/audio format like AVI, WMV, MP4, MPEG, MP3, etc. Now let’s get started!
Steps:
step 1. Download and install iMoviesoft FLV Converter

step 2. Add Videos.
There are two methods for you to add videos:

step 3. Select your aiming Profile and Output Folder for your audio
step 4. Adjust the Video/Audio Parameters if you want.
step 5. Click “Start” button to begin the conversion.
Tips: You can pause, stop and continue smoothly when converting.
Further Edit:
Two ways for crop

Two ways for trim

Effect
Besides above edit functions, this converter is designed with two video viewers. One is for the original video and the other one is for edited video, so you can immediately preview the effect of edited video. At the same time, after editing, you can merge several videos into one output file.
Hopefully you can enjoy your videos on your iPhone with the help of iMoviesoft FLV Converter
Related tutorial:
How to Convert FLV Video to AVI, WMV, MP4, MPEG on Mac?
How to Convert Videos like AVI to MP4, MP4 to 3GP, 3GP to FLV, etc on Mac OS?
How to Convert Videos like WMV to MP4, MP4 to AVI, AVI MKV, MKV to 3GP, etc?