Since many people want to know how to convert AVI to MP4 for free, this post will show you several professional and convenient converters to help you quickly convert AVI to MP4, such as MiniTool Video Converter. Now, keep on your reading.

What Is AVI

What is AVI format? AVI, also known as Audio Video Interleaved, which was developed by Microsoft in November 1992. It is a file format that combines audio and video data into a file for simultaneous playback. It is mainly used as a container for TVs, movies, and other videos.

Due to its high compatibility, AVI files are supported not only on Windows systems but also on many other major platforms such as Mac, Linux, and Unix. Similarly, most media players (such as VLC players) can also recognize it.

To get more information about AVI, you can refer to this post – What Is AVI Format and What Are the Cons and Pros of It.

What Is MP4

What is MP4? MPEG-4 Part 14, so-called as MP4, is a digital multimedia container format. This file format can store audio and text. As the most popular formats, it can be played on multiple platforms, so there is no need to worry about the compatibility problem.

With the high compression used in MP4 videos, this makes the file size much smaller than other video formats. Reducing the file size does not affect the file’s quality. Almost all original quality is preserved.

If you want to get the detailed information about MP4, this post – What Is MP4 and What Are the Differences Between It and MP3.

Tip: This post – AVI VS MP4: What Are the Differences and How to Convert introduces the differences between AVI and MP4. If you are interested in it, you can read it.

What to do when you cannot play AVI videos on your devices? It’s recommended to convert AVI to MP4 since the MP4 file is widely supported by most of the video players. Then, let’s see how to convert AVI to MP4 on different platforms.

Convert AVI to MP4 on Windows

If you are a Windows user, you can try the following converters to convert AVI to MP4.

1. MiniTool Video Converter

Whether you want to convert AVI to MP4 or convert MP4 to AVI, MiniTool Video Converter is a great choice for you. It is a comprehensive file converter, which not only allows you to accomplish your various video/audio conversion tasks but also enables you to download videos, audio tracks, playlists as well as subtitles from YouTube.

Here is how to use MiniTool Video Converter to convert AVI to MP4.

MiniTool Video ConverterClick to Download100%Clean & Safe

Step 1: Download and install MiniTool Video Converter on your Windows PC.

Step 2: Launch it. In the Video Convert section, click Add Files to upload the AVI file you want to convert.

click Add Files to upload the AVI file

Step 3: Then, go to the Convert all files to part. Navigate to the Video tab and scroll down to choose the MP4 file format. Besides, you can choose the video quality and resolution.

Step 4: Then click the Convert button to convert AVI to MP4.

Main Features

  • 100% free, no bundles, no ads, and no watermarks.
  • Support 1000+ conversions between videos and audio formats.
  • Optional output format and fast conversion speed.
  • Make video and audio files compatible with mobile devices.

Also see: 2020 Top 4 Free Movie Video Converters for Windows 10

2. Format Factory

You can also try Format Factory to convert AVI to MP4 free. It also supporting convert MP4 to AVI. Besides, it supports you converting any video format to OGG/MP3/WMA/AAC/WAV/AMR. Format Factory provides audio and video file editing, merging, splitting, video file mixing, cropping and watermarking.

Now, let’s see how to use it to convert AVI to MP4.

Step 1: Download and install Format Factory on your computer. Then, launch it to get its main interface.

Step 2: Click Video and find the MP4 part. Then, click it as the output format.

Step 3: Choose Add File to add your AVI video file. You can click the Output Setting button to change the audio quality. After that, click the OK button to get started.

Step 4: Then, click the Start button to convert AVI to MP4.

Main Features

  • Support almost all types of multimedia formats.
  • Support 62 languages.
  • Support reducing the size of the file.
  • During the conversion process, damaged files can be repaired, so that the conversion quality is not damaged.

Convert AVI to MP4 on Mac

There are 2 converters for the Mac users to convert AVI to MP4. If you are a Mac user, you can read this part.

3. Wondershare UniConverter

Wondershare UniConverter can be used to convert AVI to MP4 on Mac. It supports converting files to MP4, AVI, WMV, MOV, M4V, MKV, and so on. It also supports video Platforms, such as YouTube, Facebook, Vimeo, Instagram. However, the trial version only allows you to convert 1/3 length of the 4K video.

Then, you can know how to convert AVI to MP4 on Mac with this tool.

Step 1: Download and install Wondershare UniConverter on your Mac.

Step 2: Launch it to get the main interface. Click the Add Files button and select the Add Files option. Then, choose the AVI file that you want to convert.

click the Add Files button

Step 3: Click the drop-down menu next to the Output Format option, and then select MP4 as the output format.

Step 4: Finally, click the Convert or Start All button to start the conversion process.

Main Features

  • Support converting video/audio/image to 1000+ formats.
  • It can be used to burn, copy, rip, edit DVD/Blu-ray easily.
  • Support downloading online videos in one click.
  • It can record, transfer, fix, compress videos.

4. VLC Media Player

The next AVI to MP4 converter for you is VLC Media Player. VLC is a free, open-source, cross-platform multimedia player and framework that can play most multimedia files, as well as DVD, audio CD, VCD, and various streaming media protocols. Follow the steps below to use the converter to convert AVI to MP4.

Step 1: Download VLC Media Player and install it on your computer.

Step 2: Then launch it and navigate to Media > Convert / Save….

Step 3: Click the Add… button to import the AVI file and click Convert / Save.

Step 4: Click the Create a New Profile button. Type a profile name and select MP4/MOV. Then, click the Create button.

Step 5: Click the triangle icon to drop down the output format list and choose the MP4 option. Then, click Browse to select a destination folder and click the Start button.

Now, you can go to the destination folder to find your MP4 file.

Main Features

  • It supports playing most formats without installing a codec pack.
  • It can be used on all platforms – Windows, Linux, Mac OS X, Unix, iOS, Android.
  • It’s free, no spyware, no ads and no user tracking.
  • It can play everything.

Convert AVI to MP4 Online

If you don’t want to download software to convert AVI to MP4, you can try the online converters to do that. The following are 4 converters for you to convert AVI to MP4 online.

5. CloudConvert

CloudConvert supports more than 200 different file formats including audio, video, document, ebook, archive, image, spreadsheet, and presentation. It is trusted by many people since 2012. You can adjust most conversion types to your needs, such as setting the quality and many other options.

Here is how to use it to convert AVI to MP4.

Step 1: Go to the CloudConvert official website and click the Select File option to select your AVI file.

Step 2: Choose the MP4 option from the drop-down menu next to the Convert to option.

Step 3: Click the Convert option to start converting AVI to MP4.

convert AVI to MP4 with Cloudconvert

6. Zamzar

The next online AVI to MP4 converter is Zamzar. It supports more than 1200 file formats and it can work with any operating system. Besides, it has a remarkable conversion speed and the uploaded file can be as large as 150 MB. Here is how to use Zamzar to convert AVI to MP4 online.

Step 1: Go to the Zamzar official website and choose Add File… to add the AVI file.

Step 2: Click Convert To to select the MP4 format and click the Convert Now option.

convert AVI to MP4 with Zamzar

Step 3: Then, it will start the converting process. You just need to wait for it. After that, you can click the Download button to save the MP4 file on your PC.

7. ConvertFiles

You can also use ConvertFiles to convert AVI to MP4. It provides a wide range of options for you to convert files to WMV, WAV, MOV, MP4, MP3, AVI, ASX, AMV, and other formats as well. It is very user-friendly and flexible. But the file size can’t larger than 250 MB. Now, you can convert AVI to MP4 with ConvertFiles.

Step 1: You can click the Browse button to select the AVI file from your computer as the input format.

Step 2: Next choose a target output format as an MP4 file.

Step 3: Then click the Convert button to begin converting videos online for free. When the conversion is completed, this converter will display a message with a link to download the file.

convert AVI to MP4 with ConvertFiles


The last online converter for you to convert AVI to MP4 is is also a good video converter. It can convert videos from different source locations like your computer, removable disk drive, Dropbox, Google Drive, and URL.

Here is a guide on how to use this tool to convert AVI to MP4.

Step 1: Go to the official website.

Step 2: Click Choose Files and then select the AVI file from your computer.

Step 3: You can click Advanced Settings (optional) to change the video settings.

Step 4: Then, select MP4 as the target output video format and then click the Convert To MP4 button to start the converting process.

click the Convert To MP4 button

Step 5: When the video converting process ends, you need to click the Download button to download the video to your PC.

Here is all the information on how to convert AVI to MP4 free. You can choose one of the converters based on your needs.Click to Tweet

Bottom Line

Have you mastered how to convert AVI to MP4? Share this post with your friends if you find this article useful. Of course, if you have any questions when using the above AVI to MP4 converters, please let us know via [email protected] or share them in the comments section below.

Convert AVI to MP4 FAQ

How long does it take to convert AVI to MP4?
Whether you use the offline converters or online converters, all of them can quickly convert AVI to MP4. It will probably take you a few minutes to change AVI to MP4.
Is AVI good for YouTube?
According to YouTube, the best format to use is MP4 including standard, HD, and Ultra HD 4K quality. It’s lighter than AVI and it can provide better quality than FLV. Maybe you are interested in this post – How to Convert FLV to MP4 Quickly – 2 Effective Methods.
Which video format is the best quality?

The following are the 6 best video file formats:

  1. AVI and WMV
  2. MOV and QT
  3. MKV
  4. MP4
  5. AVCHD
  6. FLV and SWF
Can Windows Media Player Play AVI?
Yes, Windows Media Player can play the AVI file. You just need to right-click the AVI file to choose Open with Windows Media Player.
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