
Step 0: Download and install 4Videosoft HD to MP4 Converter

Step 1: Click “Add files” button to input hd video.
Step 2: Click the "Profile" button to select an output format.
You can select your avi videos with diffent parameters from the drop-download list.
Step 3: Click “Open Folder” button to choose your output destination file.
Step 4: Click the “Start” to start the conversion.
Note:
How to crop off the black edges and adjust the size of video play region
By using the "Crop" function you can crop off the black edge of your video and you can also drag the line around the video image to adjust the video play region to fit for your mobile devices
More HD converter tools:
TS converter software
AVC Converter