Best free MP4 to AVI converter in customizable settings: AnyMP4 Free MP4 Converter. Best free MP4 to AVI converter in easy-usage: Aiseesoft Free Video Converter. Surely, the limits from free version of MP4 to AVI converter can be easily found, and the pro version of the M4 to AVI converters always comes up reasonably. Free download WinAVI all-In-One Converter, Video Converter, FLV converter, DVD Copy, iPod/PSP/MP4/3GP Video Converter, Video Capture, which can convert FLV to AVI, AVI to FLV, FLV Converter, MPEG to FLV, WMV to FLV, FLV to iPod/PSP/MP4, AVI to DVD, AVI to MPEG.

Freemake Video Converter - Windows and Mac. Freemake Video Converter is also a Free MKV Video to MP4 Converter software, which has the ability to convert MKV and also other popular formats like AVI, MOV, WMV, TS, MP4, FLV, MP3 to needed video/audio format. This free MOV Video Converter for Mac is the most stable and comprehensive free multi-format video converter available. It supports free converting a wide range of video formats including AVI, FLV, MOV, MP4, MPEG, M2TS, MTS, RM, RMVB, QT, WMV, etc.

1. Freemake Video Converter is a versatile MP3 to MP4 converter free download. You can convert files to MP3, MP4, AVI, WMV, DVD, and for iPhone and Android devices. You can convert files to MP3, MP4, AVI, WMV, DVD, and for iPhone and Android devices.
2. Dec 26, 2018 - Allows downloading and converting YouTube and other videos to MP4 format. Supports working on Windows, Mac, and Linux system.

Have some MP4 videos on your Mac's hard drive and want to share them with your friends who prefer the Windows-friendly AVI format? Need to convert MP4 to AVI on Mac so as to enjoy the videos on your AVI-compatible player? Now consider it done since you've come here! In this article, I'll show you how to convert MP4 video to AVI on Mac OS X and vice versa.

To complete the conversion, you need a professional Mac video conversion app like Aimersoft Video Converter for Mac. With it, you can fast convert MP4 files to AVI on Mac (Mountain Lion and Mavericks included) while retaining the high video quality. Apart from AVI, you can also convert MP4 to MOV, WMV, FLV, 3GP and more regular formats. The equivalent converter for Windows is Aimersoft Video Converter Ultimate, which allows you to change MP4 to AVI in Windows 8/7/XP/Vista. Now just download the right version and follow the steps below to finish the conversion.

Download MP4 to AVI Converter:

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How to convert MP4 video to AVI effectively

Note that here the screenshots of MP4 to AVI converter for Mac are used to show you how to finish the conversion in clicks. The way to convert MP4 files to AVI in Windows (Windows 8) is almost the same. Just make sure you've downloaded the right version.

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1Import MP4 videos to the program

Run the program, go to the menu bar, select 'File' and then choose 'Add Video files' to select the MP4 files you want to import. You can also directly drag the video files to the program for conversion. (It supports batch conversion so you can import multiple files at a time).

2Choose AVI as the output video format

Next, select the output format: from the format list at the bottom, navigate to Video to find AVI and click it to set it as the output video format. As you see, almost all regular video formats are available and you can even convert videos for playing on portable devices like iPhone, iPad, iPod, Apple TV, mobile phones, Android tablets, etc. with optimized settings.

3 Start converting the videos

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When all the settings are done, now you've come to the last step: click the Convert button to start converting the added MP4 files to AVI and wait for the software to do the rest for you. The conversion time depends on your video size, computer performance, output settings, etc. Generally, it won't take too long. After the conversion, you'll get AVI videos with high quality and just enjoy the videos!

Here is the video tutorial on converting MP4 format to AVI on Mac (Mountain Lion)

MP4 VS AVI

MP4: MP4 is the file extension for the MPEG-4 multimedia container format. It can contain different kinds of content like video, audio, graphics, etc. Now it's the most used video format and is supported by many portable media players, video sharing sites, video editing programs, etc.

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Video File Converter Mac

AVI: AVI, short for Audio Video Interleave, is a container format developed by Microsoft. An AVI file can contain both video and audio data and it's widely in Windows-based platform. To convert AVI to MP4 on Mac, please visit: Convert AVI Video to MP4 on Mac OS X.

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And here is a summary of the comparison between MP4 and AVI:

1. MP4 is developed by MPEG while AVI is developed by Microsoft.

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2. MP4 files are usually compressed and have a smaller size compared with AVI files that have the same quality. That's to say, MP4 files have a better quality than AVI files at the same file size.

3. MP4 is supported by much more portable media players like iPhone, iPad, iPod, PSP, Android, etc. while AVI prefers Windows-based apps like Windows Media Player.

MKV vs MP4

MKV (Matroska) and MP4 (MPEG-4) are both container formats to store video and audio. MKV is a flexible, open standard video file format wildly used for HD videos. MKV is also the basis of WebM video, which is dedicated to developing a high-quality, open video format for the web that is freely available to everyone. It has better support than MP4 for some features like subtitles, multiple video and audio tracks and chapters.

However, MP4 has much higher compatibility and better performance than MKV video on multiple Media Players, Mobile Phones, and Portable devices, that is why many users need to convert MKV to MP4. Multiple MP4 files are easier to save and large or separate files can be saved into one single file. MP4 files are more user friendly in terms of copying, moving, uploading, and playing. You can easily enjoy MP4 video on MP4 Player, X-box 360, PS4, iPhone/iPad/iPod, and Android devices.

So, how to convert MKV file to MP4 video on windows and Mac? Don't worry, we will provide top 5 Free MKV to MP4 Converters and one professional tool with more powerful functions like editing features and 4K/1080P HD video settings, and you can choose the preferred one for converting MKV video.