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 Quicktime Free
2. Convert Avi To Mp4 Mac Quicktime Online

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

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.

1. For instance, when you want to convert AVI to MP4 Mac style, then all you need are media player tools or full-fledged video conversion software. Converting AVI files can be done through built-in tools such as iMovie and QuickTime (we will explain how later).
2. How to Convert AVI to MP4? Click the “Choose Files” button to select your AVI files. Click the “Convert to MP4” button to start the conversion. When the status change to “Done” click the “Download MP4” button; Best Quality. We use both open source and custom software to make sure our conversions are of the highest quality.

Choose the Converter menu on the top toolbar. Click the + icon to add your QuickTime MOV files or drag them into the program directly. Then choose your target QuickTime MOV file on the pop-up window. Click the Convert All To option to select the MP4 format on the top-right from the Video tab.

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

If you have already downloaded some files in AVI format, it is difficult to play and edit the AVI files on your MacBook. What are the best methods to convert AVI to MP4 on Mac with the original video quality? The article shares the 5 most efficient AVI to MP4 converters for Mac. Whether you need to convert the AVI files for free, or transcode the video as a profession, learn more about the excellent features and choose the desired one accordingly.

Part 1: The Professional Method to Convert AVI to MP4 on Mac

Apeaksoft Video Converter Ultimate is a versatile AVI to MP4 converter for Mac, which you can tweak the video/audio settings, enhance the video quality, apply the different video effects, compress the video files, or even merge multiple clips into one. Moreover, you can also use the hardware acceleration to convert AVI to MP4 on Mac with a fast speed.

4,000,000+ Downloads

Convert AVI to MP4, MP4 HD, 4K MP4, and even compatible devices.

Tweak the frame rate, bitrate, sample rate, audio codec, and more settings.

Provide 4 different methods to enhance video quality and reduce noise.

Edit videos, add watermark, apply video filters, and compress the AVI video.

Step 1Once you have installed the AVI to MP4 converter for Mac, you can launch the program and click the Add File button to add AVI videos into the program. Moreover, you can also preview the AVI file within the built-in window on the left menu.

Step 2Click the Profile menu and choose the output format as MP4. You can also select the 4K MP4 files or MP4 HD. Moreover, you can also click the Settings option to adjust the frame rate, sample rate, bitrate, audio codec, and more others.

Step 3If you just need to turn a part of the AVI file into MP4, you can click the Trim menu to select the start point and the end-point to trim the desired part of the AVI file. It also enables you to apply different video effects, including the 3D filters within clicks.

Step 4When you are ready, you can choose the destination folder for the output file. Click the Convert button on the right side to convert AVI to MP4 on your Mac automatically. It only takes a short period of time for the whole conversion process.

Part 2: 2 Best Online Methods to Convert AVI to MP4 on Mac

Method 1: How to Convert AVI to MP4 with Free Online Video Converter

Free Online Video Converter is a free online AVI to MP4 converter without any limitation. It enables you to customize different settings for audio and video with various options. Moreover, you can also upload the MP4 files to YouTube and other online streaming sites.

Step 1Go to the online video converter and click Add File to Convert button to download the installer. Once you have installed the Apeaksoft launcher, you can click the Add File to Convert button to import the AVI file.

Step 2Once you have imported the AVI file, you can choose the MP4 as the output format. Moreover, you can also click the Gear icon to tweak the frame rate, video resolution, audio codec, and more.

Step 3When you are ready, click the Convert button to start converting AVI to MP4 online for free. It has an advanced algorithm to convert the files within a fast speed online.

Method 2: How to Convert AVI to MP4 via Online Video Converter

Online Video Converter is another popular online AVI to MP4 converter. Besides the basic converting features, you can also convert a video link to the desired video format, or even screen capture the desired video. It should be an excellent online website to download online streaming videos.

Step 1Visit the online AVI to MP4 converter, you can choose the CONVERT A VIDEO FILE menu to enter the converting windows, you can either enter a URL of the MKV file, or choose from your computer.

Step 2Then you can choose the MP4 as the output format. It enables you to tweak the different settings for the audio and video files, such as the video codec, frame rate and more others.

Step 3After that, you can simply click on the Convert button to start the AVI to MP4 conversion. You can simply save the file on your computer after the conversion has finished.

Part 3: Top 2 Methods to Convert AVI to MP4 on Mac for Free

Method 3: How to Convert AVI to MP4 with VLC Media Player

VLC Media Player is more than a popular video player for Mac, but also enables you to convert AVI to MP4 on Mac with ease. But there are limited editing and converting features, which enables you to convert some simple AVI files.

Step 1Launch the VLC Media Player, you can launch it and click the Media menu and choose the Convert/Save option. You can click the Open Media button to load the AVI files into the program.

Step 2Choose the Video – H.264 + MP3 (MP4) as the output format. After that, you can click the Customize option to tweak the FPS, video codec, and more other audio and video settings.

Step 3After that, you can choose the destination folder for the output file. Finally, click the Start button to save the AVI video to MP4 on your MacBook within a few seconds.

Method 4: Is It Possible to Convert AVI to MP4 via QuickTime

QuickTime is another simple method to convert AVI to MP4 on your MacBook without installing extra software. Besides the basic playback features, you can also use QuickTime Player to record the screen/audio and convert them with ease.

Step 1Launch the QuickTime Player on your MacBook, you can click the File menu and choose the Open File to import the AVI videos into the program you want to convert.

Step 2Once you have imported the file, you can click the File menu and select the Export option. After that, you can click the Export As and then select the Movie to MPEG-4 option to save AVI as MP4 on Mac.

Convert Avi To Mp4 Mac Quicktime Free

Part 4: FAQs of How to Convert AVI to MP4 on Mac

1. What is An AVI File Format?

AVI is a multimedia container format, containing both audio and video data. AVI format has great video fidelity and compression capability. Due to the availability of a large number of codecs, it is easy to obtain the compression ratios required for the AVI format.

2. Why Should You Convert AVI to MP4 on Mac?

Convert Avi To Mp4 Mac Quicktime Online

AVI files always take up more space than MP4 files. Compared with the AVI format, MP4 is compatible with most media players. Moreover, when you need to share the AVI file to social media sites, you should convert AVI to MP4 on Mac beforehand.

3. Is It Safe to Convert AVI to MP4 Online?

Yes. When you need to convert AVI to MP4 online, you can choose Apeaksoft free online video converter, which enables you to convert the files without the Wi-Fi connection. You can always get the desired video with the ultimate security with ease.

Conclusion

Here are the 5 methods to convert AVI to MP4 on Mac. Just learn more details about the process and choose the desired one accordingly. Can you get your favorite AVI to MP4 video converter for Mac from the article? If you have any questions, please leave your comments here.