Maybe you've got some torrent movies or TV shows in AVI format, or some family AVI footages from your digital camcorders, like Cannon camcorder or mobile phone saved on your Mac's hard drive. But you may soon notice that you are not able to play AVI on Mac, because the Mac native player - QuickTime can't recognize your AVI files at all! And you are unable to organize AVI in iTunes, sync to iOS devices for playback on the move, and edit AVI in iMovie etc. All these happen because that AVI is not the compatible format with Mac OS and iOS. So if you want to use AVI which requires you to convert AVI to MP4 or other Mac compatible formats for a change.

Easy Solution to Convert AVI to MP4 on Mac and Windows PC

As the most widely used video format, MP4, to which you convert AVI, gives you access to your iPod, iPad or iPhone and many more popular devices, with any video in unsupported file formats including AVI. This article would show you how to convert AVI to MP4 step by step with iSkysoft AVI to MP4 Converter.

User Guide to Convert AVI to MP4 with UniConverter

To convert AVI to MP4 quickly and smoothly, you can use this simple-designed, but professional UniConverter. Get the free trial version and follow 3 simple steps, you can convert AVI videos to MP4 as needed.

Step 1. Load AVI to the AVI to MP4 program

Launch the UniConverter, drag & drop AVI files to the program. Or you can go to the "File" menu, choose "Load Media Files" to locate the AVI files you want to add.

Step 2. Select MP4 as output format

In this step, you should set "MP4" as the output format from the format list. If necessary, you can edit your AVI video before converting to MP4 file.

Step 3. Start the AVI to MP4 conversion

Hit the "Convert" button and let this smart UniConverter do the rest for you! This app is specifically designed for Mac users. It works quite well on iMac, MacBook Pro, MacBook, MacBook Pro, MacBook Air running macOS 10.7 and above (macOS Sierra, El Capitan, Yosemite, Mavericks and Mountain Lion included).
What's more, for your convenience, the Mac application offers some useful edit functions. You can crop video frame size, trim, apply cool effects to videos and so on. To get more details about this, you can go to the User Guide of UniConverter. Anf if you want to get more AVI to MP4 converter, please check this article.

Video Tutorial on How to Convert AVI to MP4 on Mac

Why Choose UniConverter for Mac/Windows

Above we introduced how to use software on Mac platform, if you are using windows computer, you can process conversion as easy as Mac software with similar operations

Products	UniConverter Free Trial Free Trial	Free Video Converters	Online Converters
Convert between AVI and almost every video format, including AVI to MP4		Limited support	Limited support
Professional AVI to MP4 converter with no quality loss
The conversion speed	Very Fast	Normal	Slow
Convert AVI videos to Youtube, Facebook and other sites supported MP4 format		Limited support	Limited support
The estimated conversion time display
Convert AVI to iPhone,iPad, Android phones and other portable devices directly		Limited support	Limited support
Fetch and Add Movie & TV Show Metadata
Personalize and edit AVI videos before conversion		Limited support	Limited support
Support both Mac/Windows		Limited support
24-hour customer support		Limited support	Limited support
Advertisements free		Limited support
Burn videos to DVD
Download online videos

Optional: Online AVI to MP4 Converter

You can also try online video converter to convert AVI videos to MP4, if you don't want to install a computer program. Try it below:

Note: Because the online tool doesn't support "https", so if the content below was blank, please manually click the "Shield" icon on the right of your browser address bar to load the script. This action is secure without any harm to your data or computer.

More information about AVI and MP4 formats

AVI full name is Audio Video Interleave which is a multimedia container format introduced by Microsoft as part of its Video for Windows technology. It can contain both video and audio data in a container that allows simultaneous audio-with-video playback. It has become the most commonly used PC video format, universally playable in Windows Media Players. You can install a codec to open an AVI files without any additional AVI video player software needed.

MP4 full name is MPEG-4, developed by Moving Picture Experts Group, vice file named .MP4 which is a multimedia container format standard specified as a part of MPEG-4. It is used to store digital video, audio streams, and others include subtitles and even images. MP4 was created by Apple as a container for QuickTime while AVI was developed by Microsoft for their media player and MPEG-4 file format was created on the basis of the QuickTime format specification