[7 Ways] How to Convert MP4 to AVI for Free

In this article, we offer six practical ways to help you convert MP4 to AVI quickly. With them, you can convert MP4 to AVI for free on Windows and online. See which one meets your needs best.

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Jane Zhou

Updated on Nov 03, 2023

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MP4 files are multimedia files. MP4 is a container format that can store video, audio, and subtitle data. Since stores like iTunes use this container format, and it is used with iPod and PlayStation Portable (PSP), MP4 files have become more common.

AVI stands for Audio Video Interleave. Developed by Microsoft in 1992, it has become so widespread that many people consider it, in reality, the standard for storing video and audio information on PC. Its advantage is a simple architecture.

Many people tend to keep an AVI file due to its simple structure. In this article, we provide you with seven ways to convert MP4 to AVI for free.

Part 1. Convert MP4 to AVI on Windows

Method 1. EaseUS Video Converter

While speaking of converting MP4 to AVI on Windows, EaseUS Video Converter is an excellent tool you cannot miss. As its name implies, this software performances professionally in video conversion, and it can complete almost any video conversion. Whether your videos are in HD, 2K, 4K, or 8K, you can always use this program to change their formats without any hassle. It is worth mentioning that there will be no quality loss after the conversion.

Plus, it offers many advanced features to make your video look better. For example, this program allows you to adjust the resolution, encoding, KBps, etc., according to your needs. 

Step 1. Download this Windows converting software and open it. Now, import your target video into this converter. Hit the "Choose Files" button from the main interface. Then, import your video file from the computer.

choose video converter

Step 2. After importing your video file, click the Settings icon to choose the output format. Here you choose AVI. At the same time, you need to select the related Quality and Resolution. To apply more options, click the "Edit" button.

Before hitting the "Convert All" button, you can change the saving path from "Save to". 

video to avi converter

Step 3. To check the converted file, choose the "Finished" tab. Right click it to play, delete, and rename this AVI file.

output to avi

Method 2. EaseUS Video Editor

EaseUS Video Editor is a professional file converter that intends to help users convert MP4 to AVI. It can turn a file almost under any format. As is designed for beginners, this application has advantages such as being user-friendly, no quality loss, fast, security, and so on.

As you can convert video to MP4, EaseUS Video Editor can also help you convert any MP4 file into an AVI one quickly and successfully. You can fully trust it in converting files. Let's take a look at the tutorial steps below.

Step 1. Select an Aspect Ratio

Upon launching the app, the first thing it will ask you to do is to choose an aspect ratio. Select the ratio that best fits your video file and continue.

select aspect ratio

Step 2. Add Your Files for AVI Conversion

The second thing you will need to do is to add the media files that you want to convert to the AVI format. These files could have any video format. Click on "Import" followed by "Import file" to add these files to the app.

add media files

Step 3. Add Your Files to the Timeline

Your imported file or files will show up on the app interface. You now need to add them to the timeline and this can be done by right-clicking on them and choosing "Add to Project". Your videos will instantly appear in the timeline tracks.

add files to timeline

Step 4. Convert Your Videos to AVI

Here comes the actual conversion task. To convert your files to AVI, click on the "Export" option at the top. On the following screen, click on the "Video" tab and choose "AVI". Then, hit "Export" at the bottom and your file will start converting to AVI.

convert files to avi

Part 2. Convert MP4 to AVI Online

Using an online converter saves you from downloading an application. Here we recommend five useful online MP4-to-AVI converters to you. Note that online converters take you much more time than an application, when the website is jammed or when you are converting a big file. All in all, let's have a look at which online converter could be helpful to you.

Method 1. Convert MP4 to AVI with CloudConvert

With the help of CloudConvert, you can convert your video files easily. Among many others, this online converter supports MP4, WEBM and AVI. You can use the options to control video resolution, quality and file size. Let's check the tutorial below.


Step 1. Choose "Convert MP4 to AVI" on the front page.

Step 2. Click "Select File" to import an MP4 file you want to convert.

Step 3. Save the file converted to your computer.

Method 2. Convert MP4 to AVI with Online Convert

Online Convert lets you convert your video files to AVI with high quality. Provide a URL of an MP4 video or upload an MP4 file to the website, preparing to convert it. Hit the "Convert file" button, and you can convert the file to AVI format. This converter supports more than 50 source formats, such as MKV, MOV, WEBM, WMV, and so on. Follow the steps below to convert an MP4 file.

Step 1. Click "Choose Files" on the front page to import an MP4 file from your computer.

Step 2. Click "Select File" to import an MP4 file you want to convert.

Step 3. Click "Start Conversion" to convert your file.

Step 4. Save the file converted to your computer.

Convert Online

Method 3. Convert MP4 to AVI with Zamzar

Zamzar is dedicated to helping you transform your songs, videos, images and documents into different formats. With its help, you can convert your MP4 files into AVI format without quality loss. Follow the steps below to start conversion.

Step 1. Choose the MP4 file that you want to convert.

Step 2. Select AVI as a destination format you want to convert your MP4 file to.

Step 3. Click "Convert" to convert your MP4 file.

Step 4. Save the AVI file to your computer.


Method 4. Convert MP4 to AVI with ConvertFiles

ConvertFiles supports the free conversion of a very large list of file formats. It keeps updating the list to provide users with the best support for the latest free file converters as well as for the most popular file formats. See whether this file converter is useful to you or not.

Step 1. Select an MP4 file from your computer using the browse function.

Step 2. Choose AVI as a destination format.

Step 3. Download your converted AVI file.


Method 5. Convert MP4 to AVI with Convertio

Convertio uses high-quality video processing algorithms to assure that your files won't lose quality during conversion. And the tool can convert to and from popular format not just MP4, AVI, but WMV, MOV and other rarer ones. Let's take a look at how you can convert MP4 to AVI with it.

Step 1. Select or drag an MP4 video from your computer, iPhone or Android to the designated place.

Step 2. Customize settings such as quality, aspect ratio and others by clicking the gear icon.

Step 3. Click the "Convert" button and wait for the converter starting the conversion for you.

Step 4. Download the AVI file to your Mac, PC or other devices.



In a nutshell, all the converters mentioned can assist you to convert MP4 to AVI successfully. You can choose any one of them to help you. However, there is one thing you need to take care of. The online converters may take you up to 12 hours on conversion. And they may break down due to website jamming. For most Windows users, EaseUS Video Converter is undoubtedly the best choice.


1. How can I convert MP4 to AVI online?

To get this job done, you need to open the website page: https://www.convertfiles.com/ and follow the steps below.

Step 1. Select an MP4 file from your computer using the browse function.

Step 2. Choose AVI as the destination format.

Step 3. Download your converted AVI file.

2. How do I convert MP4 to MPG?

The website page: https://convertio.co/mp4-mpg/ can help you with converting MP4 to MPG. Follow the steps below to convert an MP4 file to MPG format.

Step 1. Select or drag an MP4 video from your computer, iPhone or Android.

Step 2. Now you can start the MP4 to MPG conversion by clicking the "Convert" button.

Step 3. Download the video.

3. How do I convert WMV to MP4 with Windows Movie Maker?

Step 1. Run Windows Movie Maker, and then click "File".

Step 2. Click "Open Project" to open your WMV file.

Step 3. After that, click "File" > "Save movie" to save the WMV file as an MP4 video format.

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