Are you looking for an AVI to MP4 converter to convert AVI to MP4 video files for multiple purposes? Nowadays, MP4 is a widely used video format accepted by all media player and social media platform for private play, public sharing, and marketing promotion. Thus, seeking the best AVI to MP4 converter is the name of the game. Read through this post to take your best pick.

Article Contents:


PART 1: Why Do You Need an AVI to MP4 Converter?

MP4 and AVI have been, in fact, the most widely spread file extension for years. However, there are most cases when you are in need of a program that allows you to convert AVI into MP4 files. Here comes a comparison table displaying the similarities and differences between AVI and MP4.







Full Name

Audio Video Interleaved, subformat of RIFF (Resource Interchange File Format)

MPEG-4 Part 14, extended from QuickTime File Format

Supported video formats

Almost all including DVD video

MPEG-2, MPEG-4 ASP, H.263, VC-1, H.264/MPEG-4 AVC

Supported audio Formats

Almost all


Other Data Types


Subtitles, images, text


DivX & Xvid

H.265/HEVC, H.264/AVC, MPEG-4, MPEG-1, MPEG-2, Real Video, Theora, VP8, VP9, WMV/VC-1, MVC

File Size & Quality

Large, different compressors to balance file size against quality, not good for distribution

Compressed small size with degraded quality

Compatible Devices

PC, game consoles, camera brands

PC, macOS, Android, iOS, Linux, Ubuntu

Compatible Media Player

Windows-based media player

iTunes, VLC, Windows Media Player, GOM, DVDFab Player, and almost all

Supported Media Platforms


YouTube, Facebook, Instagram...

See from the table, MP4 is more widely used than AVI, especially when people are keen on uploading MP4 video files on social media sites such as Instagram, Facebook, and YouTube. Moreover, MP4 is supported by mostly every smartphone or smart device right out of the box. Under the circumstances, converting AVI to MP4 is imperative and convenient. To achieve this aim, it’s cost-effective to choose the right AVI to MP4 converter, be it available on desktop, online browser or mobile app.

PART 2: Best 5 AVI to MP4 Converter Free for Win & Mac

For most desktop users, both Win and macOS, here comes a list of prime AVI to MP4 converter that can be used to convert AVI to MP4 video files for diverse uses. On top of the list, DVDFab Video Converter outranks the rest due to the following amazing features.

DVDFab Video Converter [Standard Version]

DVDFab Video Converter is a versatile avi to mp4 converter acting as a video converter, video compressor, and simple video editor, which can suit your personal needs.

  • Convert multiple video file formats (including HD videos)
  • Live preview for videos
  • Convert video to audio files directly
  • Support new devices including iPod, iPhone, iPad, PSP
  • Available for both Windows & macOS
  • Fast Conversion Speed

You can also convert the downloaded videos into other formats if you wish to share them on other devices too. This avi to mp4 converter is not a free video converter, but it provides a 30-day free trial, during which period you can enjoy all its features without spending a penny. For buying it, you can get a discounted price if there are promotions. Just keep an eye on its official website. 

DVDFab Video Converter is not a free video converter but it provides a 30-day free trial, during which period you can enjoy all its features without spending a penny. For buying it, you can get a discounted price if there are promotions. Just keep an eye on its official website.

Best Alternative: DVDFab Video Converter Pro [Ultra Version]

As a versatile AVI to MP4 Converter, Video Converter Pro is a 3-in-1 video editing toolbox which is fully dedicated to converting videos or audios to 1000+ formats and improving video quality via tons of editing features and creative effects. Want to kill two birds with one stone? This avi to mp4 converter might be your first choice.

How to Convert AVI to MP4 Free and Easily

As to how to convert avi to mp4, let’s check the following simple guideline.

Step 1: Free download DVDFab Video Converter Pro and select Video Converter module

 i  Free Download  

Step 2: Load AVI video source and customize MP4 output

This AVI to MP4 converter free program enables you choose output video and audio parameters as per your needs. If you aim to upscale video resolution, you can select Enlarger AI module, which will upscale video from 480p to 1080p.

Besides, you can click the Video Edit button to simply edit videos via multiaspects including trimming, cropping, rotating, adding watermarks and subtitles, and adjusting brightness and contrast.

Step 3: Start to convert AVI to MP4 and apply the final result

Once done, hit the Start button to convert avi to mp4. You can save the output video in the local HDD or share on your social platform such as YouTube, Facebook, and Vimeo.

Any Video Converter Free

When it comes to the number of file formats a program can support, Any Video Converter Free clearly doesn't disappoint. Any Video Converter is an avi to MP4 converter that supports YouTube as well, meaning that if you want to download some videos from YouTube, you can directly convert them into a format suitable (say MP4) even on your mobile without worrying about its quality.

Quick Features:

  • Free and Quick conversion for videos
  • Download Videos from YouTube from your PC or the web
  • Rip and Extract Audio from CDs and Videos
  • Remarkable format support
  • Complementary filters and effects

More than just YouTube, you can also download videos from this avi MP4 converter. Download and convert videos from Facebook, Vimeo, and what not! Any Video Converter is available as an avi to MP4 converter Mac and Windows. And that too, absolutely free. You'll easily find support for almost every possible format you can think about, including ready-made profiles for various devices. It also has some predefined editing functions such as cropping, trimming, and rotating videos for basic cleanup tasks. If you want to get more creative, you can also experiment with video effects to get a unique look as well. So, use Any Video Converter as an avi to MP4 converter as well as a basic video editor.


A powerful avi to MP4 converter for Windows, Linux, and macOS, Handbrake is yet another free video converter that's well known to Mac users.  This useful avi to MP4 video converter supports conversion for other video formats as well.

It is a great choice for users who like to work on multiple platforms and deal with a lot of media files.

  • Advanced control options
  • Quick Presets for Multiple Devices
  • Fast & Simple Conversions
  • Excellent format support

However, a little downside to using this avi to MP4 converter free is that interface is not so great. Though the Handshake Program is powerful but utilitarian. There are tonnes of features that allow for accurate administration of video conversion, including video cropping, and advanced filtering. Not only this, you can also adjust the frame rate, as well as use, presets if you are ramping up for quick results. Handbrake may take a while because of its interface, but the output is worth captivating.

Free HD Video Converter Factory

Next up on the list is yet another free Video conversion and Editing tool. The Free HD Video Converter Factory is one convenient free package that prides itself on being the best avi to MP4 converter free for beginners.

There's also a 10-second simple guide to start converting video formats from one to another. Though you might not believe its actuality, Free HD Video Converter Factory does works fast. You can instantly drag and drop a video onto the program and use the selection menu to convert. All you need to do is just select the video format (AVI, MP4, MOV) and the output location. That's it and you are done.

  • Takes only a minute to master
  • Device profiles preset
  • Fast Conversion Speed
  • Awesome Customer Support
  • Built-in Editing Options

You'll be also excited to know that the majority of its good parts do not actually lie in the conversion. There are tons of other useful features that you can use to customize the output. The avi to MP4 converter also allows cutting, cropping, and awesome special effects that are all on hand. It gives your videos the look you want, and the formats allow you to get lossless quality after conversion. Beginners can choose a profile tailored to a particular playback device, while more experts can pick from the manual selection and customize things even more.

Freemake Video Converter

And last but certainly not the least, Freemake is a fast, flexible and easy to use avi to MP4 converter. Do not even think to underestimate the power-packed performance of Freemake. This tool has built up quite a name for itself by producing strong yet easy to use tools. Not to forget, Freemake Video Converter is entirely free and sounds like an exception, continuing the company's legacy.

  • Consumer-first support
  • Support dozens of formats
  • Built-in Editing tools
  • Convert videos hosted online

This free avi to MP4 video converter converts files to other formats as well. It can also be used to download and convert videos from YouTube as well.

With easy editing tools available inside the software, you can use Freemake to trim unwanted footage, add subtitles easily, and convert DVD formats as well. The Freemake Video Converter covers all your everyday needs with an excellent lossless output. Initially, some of the features are locked but they would available after 3 days as a Gift Pack. So, hold on to it.

PART 3: Web-based AVI to MP4 Converter to Convert AVI to MP4 Online

There might be occasions when you dislike desktop avi to mp4 video converter because software installation takes you time and takes up memory. Here comes an online avi to mp4 converter that enables you to convert AVI to MP4 online.


This online AVI to MP4 converter has been in wide application for years. It allows you to convert AVI to MP4 free. With simple interface, there is no learning curve for all. As an avi to mp4 converter free, you can add files from the local HD or select video URL.

Note that the file size shall not exceed 50MB. If you want to convert more files, go to its pricing plan. What might disappoint you is that this online AVI to MP4 converter lacks customized output options other than video format. That being said, video frame or bit rate cannot be changed.


All in All, these were the best avi to MP4 converters that you can find online. Most of them are free but the very best, DVDFab Video Converter is the leader. Now, it has come out of the world features that anyone would crave for, but as always, good things come with a price tag. If you mean to enhance video quality via professional AI-based video enhancer, you might as well turn to DVDFab Video Enhancer which is designed to upscale low-res videos to 4K for a better playback.

In fact, you can choose to convert AVI to MP4 or to find an AVI compatible player to play it in your way. For a powerful AVI player, please check top 20 AVI players for Windows/Mac/Android/iOS.