You can convert AVI to MP4 on Mac for free with a desktop application or an online converter. The best choices are provided below.

1. Convert Avi To Mp4 Mac Free Online
2. Convert Avi To Mp4 Mac Free Online Converter

I have some movies that are AVI files that I would like to put onto my iPod. How do you convert avi files to mp4? - Yahoo Answers

Step 2.Click “Add File” button to add one or more AVI videos to this AVI to MP4 Converter. Step 3.Edit video before converting. If you have the need to clip, merge video or edit video effects like adjusting brightness, contrast, saturation, hue, volume and more video/audio effects, just click the “Edit” button to enter the editing interface. How to use AVI to MP4 Converter. Step 1 - Upload AVI file. Select AVI file from your computer using the browse function. Step 2 - Choose to MP4. Choose.MP4 destination format. We support most video formats. Step 3 - Download your converted MP4 file. Download your converted MP4 file immediately.

Basically I have quicktime pro, but I was trying to play AVI with H.264 codec but I can't seem to get it to play. It works fine on VLC but I need to play it on Quicktime so I can encode the file to another format. - MacRumors

Maybe you've got some torrent movies or video clips in AVI format, or some family AVI footages from your digital camcorders saved on your Mac's hard drive. But you soon realized that they're unplayable since the Mac built-in player - QuickTime cannot recognize the AVI format at all! So you might have come up against a brick wall trying to discover if it is possible to play .avi format films on Mac computer, or iPhone iPad. Some web sources say it can't been done; while others reckon it's possible only if converting AVI to MP4 with a superb free Mac video converting software.

100% Free to Convert AVI to MP4 on Mac

5-Star Solution: macXvideo
Convert 1080p/720p HD, or SD AVI videos to MP4 format on Macbook Pro/Air, iMac etc. within 3 steps. 100% Free; No Adware; No Malware!

Table of Contents

Why Do You Convert AVI to MP4 on Mac?

Yes, there are various reasons that users convert AVI to MP4 on Mac computer, instead of MKV, FLV, MOV etc. But in a nutshell, it can be concluded into Mac video playback, uploading, storage, formats compatibilty issues. Let's go in details.

AVI Playback on Mac (QuickTime)
To play AVI on Mac directly on Quicktime player is always a hot topic. Since Quicktime have no access for AVI videos, only you convert AVI to MP4, can you play it on Mac without any hassle.

AVI Video Uploading on Mac
Throughout YouTube, FB, Dailymotion etc., which allows you to upload AVI videos directly? None. Converting AVI to MP4, or or other YouTube video format is always the initial step for uploading.

Smaller Size for Mac Storage
Compared with AVI, MP4 is much samller at the same qulity, taking up less storage space on Mac. If you're precisely obsessed with this, why not compress large-size video avi to smaller MP4?

Compatible to Apple Products
Owing to MP4's wide compatibilty, Mac users prefer to convert AVI to MP4 and add them to iTunes/iCloud, so that they can directly watch on Macbook, iMac, iPhone iPad iPod etc.

Of course, the reasons are not confined to these above. In terms of format itself, MP4 is superior in many aspects somehow. Let's check the general comparsion between MP4 and AVI:

AVI developed by Microsoft, in DivX, Xvid, Cinepak, Indeo, DV or Motion JPEG codec.

• Pros: Compatible with Microsoft devices, game console including Xbox, PS3, PSP.
• Cons: Large file size; Rejected by Mac & iOS-based apps and devices; Lossy compression sacrifices quality for file size

MP4 developed by MPEG, in AVC MPEG-4 and H.264 video codecs.

• Pros:Great compatibility with devices; Sharing on the web and streaming over internet;Better compression ratio with smaller size and good quality.
• Cons: MP4 with H.264 codec poses problems with editing as it contains more B/P frames.

Best Free Solution to Convert AVI to MP4 Mac

Operating System: Mac OS X 10.5 - Big Sur

Faced on the issue that iPhone iPad and Quicktime won't play AVI files, you're suggested to convert AVI to MP4 on Mac since the MP4 format is identified as one of the default formats by Apple's gadgets and other devices as well. And as you cruise related forums, you may notice that a wholesome of users demand of freeware to get AVI to MP4 conversion done on macOS. But the only real problem is that some hum and haw halfway or disappoint you when it comes to speed and conversion quality in the tests of converting AVI to MP4 format on Mac.

Fortunately, we picked up a totally free AVI to MP4 video converter - macXvideo that works for AVI to MP4 conversion on Mac (including the latest macOS Big Sur). It paves the way with intuitive features that go well beyond other competitors in any mainstream yet free video conversion with no ads, spyware, watermark, etc. It supports any video format like AVI, FLV, WMV, MKV, MTS, etc as input and is in favor of freely converting any video to MP4, MOV, WMV, etc on Mac in a fraction of seconds.

Meet Bonus Features of macXvideo

• Convert all standard video formats including AVI, MPEG, MP4, MOV, FLV etc.
• Free convert HD, even 4K UHD video, MKV, AVCHD, H.264/AVC, H.265 etc.
• Play HD and SD Videos on iPhone iPad iPod and Android devices.
• Excellent editing features like trim/crop video, add effect & subtitle to video.
• Accelerate the video conversion to 5 times faster than any other rivals
• Simple and easy-to-use interface with flexible parameter setting

How to Freely Convert Video from AVI to MP4 Format on Mac OS X

Step 1:Free download this AVI to MP4 converter freeware on Mac, run it and click 'Add File' button to load your AVI file you desire to convert.

Step 2: To convert AVI video to MP4 format on Mac, simply select the target MP4 Video format at the bootom of the window. The optimized default settings ensure the best output quality.

Step 3: Specify an output folder on your computer to save the output files. Click the 'Folder' button to choose the path where you want to save the output files in.

Step 4: Click the 'RUN' button at the lower right corner of the interface to begin to convert AVI to MP4 on Mac OS X.

Advanced Solution to Convert AVI File to MP4 format on Mac OS

Despite the freeware provides a fabulous yet free AVI to MP4 converting solution for Mac, some bonus extras you'd like to have shall not be missed out. And the paid program called MacX Video Converter Pro will be definitely worthy of your trying and is the best around for sure.

• Convert AVI and any other video to iPhone, iPad, Samsung Galaxy, Sony Xperia, and other 350+ devices
• Convert HD videos to a wide range of formats, such as MKV to MP4, WMV to MOV, H.265 to H.264, MTS to MP4, FLV to AVI, AVI to DVD, MP4 to MP3, etc.
• Convert AVI to MP4 on Mac at blazing fast speed with excellent quality. Only 23 seconds for a 5 min HD AVI video converting to MP4.
• Compatible with the latest macOS Big Sur.

Another Free AVI to MP4 Solution: Online Video Converter

At the mention of converting videos for free, online AVI to MP4 converter is absolutely another wide choice. There is no limit on platforms, both Mac and Windows users can enjoy a smooth AVI to MP4 conversion with fast speed and not bad quality. But online AVI files converter for Mac is also criticized to be not stable and safe enough. There is a big possibility that your AVI to MP4 conversion crashes midway or your computer gets infected with virus, adware or malware. Anyway, all these happens on condition that you pick up a weaker online tool. You're free from all these problems if you rely on a reliable online AVI to MP4 converter, such as Zamzar, Free Online Video Converter, Convertio etc.

Take Convertio as an example, it owns a clean interface and allows you to convert AVI to MP4 video online within 3 steps. And now go to the website Convertio first then here we go to convert AVI to MP4 on Mac:

Step 1: Load AVI files. Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

Step 2: Choose 'to MP4'. Choose MP4 or any other format you need as a result (more than 200 formats supported)

Step 3: Download your MP4. Let the file convert and you can download your MP4 file right afterwards

Side-by-side Comparison of Free AVI to MP4 Converter

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.

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.

How to Convert AVI to MP4

1. MiniTool Video Converter
2. Format Factory
3. Wondershare UniConverter
4. VLC Media Player
5. CloudConvert
6. Zamzar
7. ConvertFiles
8. FreeConvert.com

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.

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.

Step 3: Then, go to the Convert all filesto 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.

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.

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.

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.

8. FreeConvert.com

The last online converter for you to convert AVI to MP4 is FreeConvert.com. FreeConvert.com 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 FreeConvert.com 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 ConvertTo MP4 button to start the converting process.

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

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

Convert Avi To Mp4 Mac Free Online

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

Convert Avi To Mp4 Mac Free Online Converter