All you need to convert AVI to MP4 is a Video Converter ( Free Trial )

Reference of iSkysoft Video Converter for Windows:

• Input/Output Video formats: ASF, MPEG1, MPEG2, MP4, 3GP, 3G2, MPG, MOV, FLV, TS/TP (for HD Video), AVI, etc.
• Input/Output Audio formats: MP3, M4A, AAC, AC3, APE, OGG, etc.
• Picture formats: JPEG, BMP.
• Support Devices: iPod, iPhone, PSP, PS3, Cell Phone, Apple TV, Zune, Creative Zen, iRiver, PMP, Archos, Sony, MP4 player and MP3 player.

Step 1. Add Video files

Click the "Add Files" button to browse your computer hard disc and add the video files you want to convert to the program.

Step 2: Output Settings

After you add video files, you can select an output format for each video file and specify a directory on your computer to save the output files. If you don't know what formats your device supports, you can just select the format according to the device name.

The default setting works well. Of course, if you don't want to use the default video and audio encoding settings, just click the "Settings" button to customize these settings.

If you want to merge all added video files into one file, you can check the "Merge into one file" option.

Step 3: Start Conversion

Click the Convert button to start conversion and then you can just go out for a walk or take a nap, and the conversion may have been finished when you come back: )

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