mp4 to avi
MP4 to AVI - UniConverter
  • Convert MP4 to AVI easily and other 150+ video & audio formats.
  • Built-in video editor allow to trim, crop, add subtitle, watermark, effects to the video.
  • Transfer video to iPhone, iPad, Android and other devices easily.
  • Burn video to DVD with templates.
  • Download videos from YouTube and 1,000 popular sites.
  • Powerful toolbox includes: Fix Metadata, GIF Maker, Screen Recorder, VR Converter, etc.

Top 16 Quick Solutions to Convert MP4 to AVI on Mac/PC

by Brian Fisher

Having some MP4 video but unplayable on your media player which supports AVI format instead of MP4? Or be about to change MP4 to AVI for enjoy on AVI accepted mobile phone? In cases like these, you need to convert MP4 to AVI in Mac or Windows. This is easy. All you need is a professional MP4 to AVI video converter.

In this article, we share the converter to convert .MP4 to .AVI for Mac, Windows, free or online. Some of them contains using guide. Now let's start with the best MP4 to AVI converter, UniConverter.

Part 1. Best MP4 to AVI Video Converter to Convert MP4 to AVI in HD (with Steps!)

UniConverter is one of the leading software programs for converting video and audio. It support converting video up to 150 formats.It works on both Mac (macOS 10.15 Catalina, 10.14 Mojave, High Sierra included) and Windows (10/8/7/XP/Vista). It supports HD video and audio conversion, converts at impressive speeds and does not distort the quality of the resulting video files.

Get the Best MP4 to AVI Video Converter - UniConverter

  • Massive Format Support: Support 150+ video formats without needing third-party encoding, including AVI, MP4, MOV, MKV, VOB, WMV, MTS/M2TS and more.
  • Multiple Preset Devices: Directly convert your MP4 or other video to your device, including iPhone, iPad, Android phones or tablets, Game Consoles and more.
  • Video Personalization: Edit video with functions like Trim, Crop, Rotate, Add Effects, etc. to personalize your vide before conversion easily.
  • Download Online Video: Download or record video from 1,000+ streaming video sites like YouTube, Vimeo, Vevo, Netflix, Metacafe, Break, Hulu, etc.
  • Transfer to Device: Offer Transfer feature with which you could easily transfer converted MP4 or AVI video to your mobile devices.
  • Burn Video : Support to burn various videos to DVD so that you can play it on TV easily or copy as backup.

How to Convert MP4 to AVI on Mac or Windows PC with UniConverter

To convert MP4 to AVI, you will need to install iSkysoft video converter on your computer. Open it and now it's good to go. Please note that the processes on Mac and on Windows are the same. Here we take Mac for example.

Step 1. Add the MP4 files to the MP4 to AVI Converter

There are two methods to do this: directly drag & drop the MP4 files to the converter, or go to "Add Files" button to locate the MP4 files you want to convert to AVI. Batch conversion of MP4 files is supported. You can add all of the video you want to convert at one go.

mp4 to avi

Step 2. Choose AVI as output format

Pick AVI under the Video section in the format tray. This will help you change MP4 file to AVI format.

convert mp4 to avi

Tips: If you want to play the AVI video on your phone, you can directly select your phone model as output format in this step, such as iPhone, Android, Samsung, Huawei, LG, Google, etc.

Step 3. Start MP4 to AVI conversion

This professional MP4 to AVI converter then can do the rest after you click Convert or Convert All button. After a few seconds, you will get your MP4 video in AVI on your computer. You can also transfer the video to your phone with the help of the wonderful MP4 to AVI converter. The Mac program also works on MacBook, MacBook Air, MacBook Pro, and iMac etc.

convert mp4 to avi mac

Part 2. Top 9 Free MP4 to AVI Converter to Convert MP4 to AVI Free Online

Here we also introduce some free MP4 to AVI converter for you. So you don't have to install program on your computer to process the video conversion. Below lists top 9 MP4 to AVI video converter free for your reference.

#1. VLC MP4 to AVI Video Converter

You can also convert MP4 to AV1 using VLC, VLC media player can play almost any type of media file, you can also convert any video easily with VLC media player to other for formats. VLC media player is not only limited to video playback as it can also perform the function of converting. Converting MP4 video file to AVI on VLC is very easy; following these steps will help you go through the process hitch free:

Step 1. Open your VLC media player and click on the Media in the VLC menu.

Step 2. Click on Convert/Save.

open vlc

Step 3. Select the video or videos to convert by using the Add button, you can select one or more MP4 files to be converted to AVI.

add mp4 to vlc

Step 4. Select the file name for the video file that is to be converted in the Target file box, this also helps you to select the destination of the converted file.

free convert mp4 to avi

Step 5. Select the format for conversion under the Choose Profile icon to choose the target format from the format options provided such as MPEG, AVI, DVD,DivX, ASF, WMV, or MP4. If you want to watch the video on other devices especially mobile devices, you can also choose this in the optimized profile which has optimal settings for codec, resolution and framerate.

convert mp4 to avi free

Step 6. If you desire advanced stings, you can do this by using the tools icon menu with this, you can change the destination format setting to adjust itself. With this menu, you can have access to all advanced options such as special filters where you can optimize audio or video track while converting, you can also add subtitle and watermarks amongst others.

Step 7. After doing all the necessary settings, proceed to convert by clicking on Start and the conversion begins. VLC media player will save the video n the selected format in the selected folder. The conversion time depends on the length of your video, speed of your Mac or PC as well as the settings chosen. If you are doing batch conversion, you can view the conversion progress in the timeline while watching other videos.

#2. Freemake

Apart from VLC media player, there are also programs that allow you to convert MP4 to AVI free, one of those is Freemake. Freemake is a free video converter with no restriction and no need for sign up. You can convert videos, audio, as well as YouTube in an easy way. It has over 300 input formats and its conversion process is very fast. You can also convert YouTube MP4 videos the MP3 with Freemake.

Step 1. Install and run Freemake then add your MP4 videos to the software by clicking the +Video button.

Step 2. Choose the format by clicking AVI button on the format panel, you can also use the existing presets or create your own preset.

Step 3. Convert MP4 to AVI by clicking the Convert button.

free mp4 to avi converter

#3. HandBrake

If you are looking for MP4 to AVI converter free, you should try HandBrake. As previously mentioned, HandBrake is a free and open-source software implying that it's free to download. Once you have downloaded and installed the program from the web, you are ready to convert Mp4 files into AVI format. Here's how to do so;

Step 1. Open the HandBrake program on your desktop.

Step 2. The second step is choosing the output format. Move to the General Video while you are still in the output profile category. Select the AVI Video a logo located on the right side of the drop-down menu and click OK. Hitting this button initiates the MP4 to AVI converter free set the AVI as the converted format.

Step 3. Choose the destination folder. This is where the converted video files are stored in you PC's hard drive. Just click Destination button on the program make a selection.

Step 4. Convert. Click on the Start button at the top of the program window and the MP4 files will be converted into AVI format.

HandBrake mp4 to avi

#4. FFmpeg

Fast Forward MPEG, commonly known as FFmpeg, is a program you can download for free and that it will allow you to convert files from one format to another format. This can decrease the size of the original file. You can also record and stream audio and video files with it.

Step 1. Before starting the conversion process, download the FFmpeg program into your system.

Step 2. There are two main codes you can apply in order to convert the MP4 file into AVI. The first one is the simplest, but it may cause some loss of video quality such as pixelation issues in the output file. The second option is the one you should choose if you want a high quality AVI file even if the file will take up more space in your computer.

a) First option: ffmpeg -i filename.mp4 filename.mp4.avi

b) Second options: ffmpeg -same_quant -i filename.mp4 filename.avi

Step 3. With any of the two methods, your AVI file is now ready to run.

ffmpeg mp4 to avi

#5. Zamzar

Zamzar is an excellent choice among MP4 to AVI online converters out there. This web-based file conversion tool converts MP4 files to AVI files without having to install any software. Neither does it force malware, spyware, or surveys onto your PC. Simply choose the files you want to convert by selecting the URL or the file on your computer, and then choose the type of file you wish to convert to. It is that simple.


  • Sends the converted files to your email.
  • The process takes one to several minutes.
  • Clean and free mp4 to AVI converter.


  • Quality loss during conversion.

convert mp4 to avi online free

#6. Apowersoft Free Online Video Converter

Apowersoft is a powerful and versatile wed-based tool, which offers the ability to convert MP4 to AVI online without having to download additional applications on your PC. Most online conversion sites set limits on the size of files you can convert, making this site an excellent option, particularly if you want to convert large files. With this site, you only need to import your files, select your preferred settings and start the conversion process.


  • It is a free website service.
  • Can convert as many files as you wish.
  • It is very easy to operate.
  • Allows you to convert video in over 20 formats.


  • A larger size of file takes longer to convert.
  • Some antivirus software detect it as a malicious software.

online mp4 to avi converter


Youconvertit is another free online tool that is able to convert MP4 files to AVI files that are supported by a number of mainstream media players. Simply import your MP4 files to this convert and then click the "Convert It" button to begin the conversion. There are several videos that you will have to change the names so they would play in new formats. It is one of the MP4 to AVI converter free online that you should try!


  • Converts files quickly and easily.
  • Send files to your friends without having to sing up.
  • Can convert files before downloading.


  • The 300 MB file size limit is frustrating.
  • Limited number of websites to pick from.
  • The updates are many and might be annoying.

online mp4 to avi


ClipConverter lets you download and convert files from many popular online sharing website, without requiring any piece of software to accomplish what you want. With ClipConverter, you have total control over the quality of the audio, video, output, volume as well as its length. Also, it is easy to convert a section of your file. If you know nothing about bitrates, ClipConverter can suggest the best settings for you.


  • It performs clean conversions.
  • Can download files from numerous video sharing portals.
  • Custom profile allows you to set parameters to your liking.


  • The demo version runs only once.
  • It is quite complex to operate.

online convert mp4 to avi


Use this free online tool to convert your MP4 files to AVI. Select the file you would like to convert by clicking on the drop-down arrow and click "Convert". There is also an option of sending a download link to the email if you need to download it some other time. Upon completion, you will be provided with a link where you will download your converted file. It is that easy!


  • Convert large files within a short time.
  • It allows you to effortlessly convert files.
  • Keep your files confidential.


  • Only supports a limited number of video-sharing websites.

convert mp4 to avi free online

Part 3. 6 Popular MP4 to AVI Converter for MP4 to AVI Conversion

#1. Aimersoft UniConverter (Mac and Windows)

With more than 250 formats supported, this will be the ultimate solution to your video conversion concerns. AVI is among the formats to choose for converting your MP4 files. Some of the features that make it the best include creation of DVD with menu, removing the DRM protection, ripping DVD to all formats, video download from thousands of sites as well as editing and touching up video. With a single click, it is easy downloading the program for free trial before you can officially purchase. Built-in video editor makes all that possible and easy. You will always get one for free use with no limitations at all.


  • The user-friendly interface will make sure that you get to finish your tasks with speed and in a professional way.


  • There is some limitations into batch conversion through this software.

free mp4 to avi

#2. Pazera

Pazera is a free application developed by Jacek Pazera for conversion of MP4 files into AVI format. However, the application also converts videos into MPG format (MPEG-1 and MPEG-2). The program is very easy to use, and novices do not have to struggle to use the program features.

Step 1.Download Pazera for free and install it on the your computer.

Step 2. Open Pazera Free MP4 to AVI Converter application.

Step 3. Drag the MP4 video file you want to convert and drop it in the main window. Another way to do this is to click on the "Add Files" option from the menu and navigate to the folder with the file you want to convert and select it.

Step 4. Click on "Convert" button. The converted file will be saved in the destination folder. Also make sure you select AVI as the preferred output file format.

pazera mp4 to avi

#3. WinX

WinX Video Converter is a professional software developed by Digiarty can be easily downloaded online. After you have completed the download of Winx Video Converter, it only takes a few steps to installing and you are ready to convert your files. This is a user-friendly software that is rich and complex when it comes to its program. You also get to enjoy impressive conversion speeds.

Step 1. After installing the already downloaded software, open the main interface. On the upper tab, you can load your MP4 video clips that you want to convert by clicking on “add video” button.

Step 2. The second step is choosing the output format. Move to the General Video while you are still in the output profile category. Select the AVI Video a logo located on the right side of the drop-down menu and click OK. Hitting this button initiates the software to set the AVI as the converted format.

Step 3. After you have ensured, please hit the "Run" button to initiate the conversion.

winx free mp4 to avi converter

#4. Wondershare UniConverter (Mac and Windows)

You will never get a convertor for video that is easier to use than this one. It has an intuitive interface that will make editing very easy and enjoyable. The reliability of the software is equally high and that will always work to your advantage as an editor. The standout features are one-click web video download that is instant, conversion to all major audio and video formats, ready presets for a variety of devices as well as batch processing and multithreading. Automatic check updates ensure that you will get the latest version in the market for a free trial. In general, the program offers very powerful editing functions that will make it easy personalizing your files.


  • It's instant and trouble-free.

mp4 to avi converter free

#5. MacX Video Converter Pro (Mac and Windows)

It is a good all-in-one convertor that will allow you to perform more than just video conversion. With speeds of 83X, you will not have to spend all your time working on just videos only but you can have some time for other things. Quality is maintained at its original so don’t worry about any loss at all. Creativity is encouraged by the photo slideshow that will allow you to put together all your best moments captured through video.


  • Built-in High Quality Engine is the key feature for the program and it ensures quality of the video is highest through adjusting parameters and reducing noise.


  • It takes a little long time to load videos.

mp4 to avi converter freeware

#6. Xilisoft UniConverter (Mac and Windows)

As the name suggests, it will be your ultimate solution to all video conversion problems you have when handling MP4 files. After conversion, you can play the videos on devices like Apple TV, iPhone and iPad with ease. Its compatibility rate is very high with support for over 160 formats and you will be able to have your file converted to whatever format you wish. Also, use the software program to convert HD videos of up to 1080p and convert 2D movies into 2D. Whether you are handling audio or video files, Xilisoft UniConverter has support for both Mac and Windows with the option for free trial.


  • Supports various video file formats.


  • It is not that easy to use.

mp4 to avi free

Part 4. Extend Reading: Comparison Among MP4 to AVI Video Converter

To conclude, online video converter and other MP4 to AVI converter tools will always have disadvantages when compared with UniConverter. Here we list the differences for you to quick select one that suits you best .

Free Video Converters
Online Converters
Convert between MP4 and almost every video format, including MP4 to AVI Limited support Limited support
Conversion speed Very Fast Normal Slow
Convert MP4 videos to Youtube, Facebook and other sites Limited support Limited support
Convert video to mobile phone    
Fetch and Add Movie & TV Show Metadata for your movies    
Personalize and edit MP4 videos before conversion    
Support both Mac/Windows Limited support
24-hour customer support Limited support  
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Brian Fisher

staff Editor