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How to convert AVI files to MP4 on Mac/ Windows - 4 best options

face Rob Parsons Updated on Apr 15, 2022 5:44 PM

I captured some interesting videos with Fraps and they all happen to be Xvid AVI format and so big, how do I compress .AVI to MP4 files so that I can put them onto my iPhone. The software I have only converts one video at a time so I was wondering if there was any free software to convert all videos from AVI to MP4 format on a Mac? - Zimer

Summary: You have some AVI files on Mac and want to convert into MP4 with H.264 (or MPEG-4) video and AAC (or AC3) audio to be playable on Mac or sync with iPhone? You're at the right place. Here's how you can stick with great desktop based MP4 converter software or online file converter service to convert AVI files to MP4 for Mac or Windows.

AVI (DivX/ XviD) is a widely-used format on Windows computer for its highly compressed video content with high video quality. However, If you try to manage your movie files on Mac machine, you might have run into compatibility issues preventing you from opening, playing or editing AVI files. This fact can certainly be a big hindrance for most of Mac users.

Fortunately, there are a lot of ways of converting AVI videos to MP4 on Mac, a high compatible format that works with both Mac and Windows platforms and is suitable for a vast array of multimedia devices & players. Here's how to convert AVI to MP4 on Mac and PC's and everything you need to know about the process.

1. Video Converter

Featured different conversion settings and batch conversion, Video Converter for Mac is an innovative multimedia conversion tool that enables you easily convert AVI to MP4 file for Mac and vice versa, and convert a wide range of source formats to 100+ video & audio formats to work on portable players with high preservation of quality. It also offers a set of tools to edit your video to enhance the output results.

It's simple and easy for the average person to use, and is available for Windows platform. For Windows user that has a need of AVI to MP4 video conversion, please try Video Converter for Windows here.

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for Windows | for MacOS

Follow the steps below to see how simple it is to convert videos from AVI to MP4 on MacOS. You can handle other conversion tasks with the same steps.

Step 1: Import your AVI files

Honestly, once you open up this Mac AVI to MP4 converter software it's very self-explanatory with nice labels on all the options. To import a video simply click "Add File" button to select AVI files you wish to convert to MP4 format from local folder, click Open.

Tip: this program also includes a useful import wizard, allowing you to drag your .avi video files and drop them into the window directly.

This is what the interface should look like after your source files being imported.

Step 2: Set MP4 as output format and parameters

Choose output file format by clicking "Profile" button, then select "MP4" from the drop-down list. The program can automatically optimize the resulting output settings.

Note that if your AVI movies are high-definition and want to keep original quality after conversion , instead of choosing an MP4 option from General Video, you go to HD Video category and select HD MP4 option.

convert AVI to MP4 (H.264/MPEG-4 AVC)

Related article: how to convert your WMV video to a M4V file in Mac

The software includes a group of built-in device presets listed on left for conversion purposes, including a bunch for Apple devices (iPad, iPhone, Apple TV, etc), to make things easier.

In "Settings" panel - Aside from using its default output preferences, you can fine tune these options to get the maximum possible video quality.

Otherwise, you can leave them alone if you don't know what you are doing. The default output file parameters usually do the trick.

Edit AVI files before the conversion (optional)

You can configure some basic video settings and edit video, see more details at user guide. Check professional video editing software list here.

Step 3: Start converting AVI file to MP4 in Mac

It's a good idea to specify an output folder where you want to save the resulting MP4 files to. This will make it easier to find them once they're created. You can do this by clicking the "Browse" button in the "Destination" field near the bottom of the screen.

When you've finished saving preferences, just click the "Convert" button at the top of the screen to begin the encoding process on your Mac. A blue bar with process status will appear.

That's it! Once your .avi file have been converted into .mp4 file on Mac computer, you can open the folder and check if the new file is good for you.

Universal Video Demo

See also: how to play .avi video files on QuickTime

2. QuickTime Player

If your AVI file is encoded with Motion JPEG video with PCM audio (you may use MediaInfo to determine the codec used in it), you don't have to scour the web to find an AVI converter to mp4 format for Mac — you can simply use Mac's built-in QuickTime Player and upgrade it to Pro version to convert AVI video file to MP4 format. QuickTime Player Pro comes with an "Export" option to convert files into multiple file types, including MP4, in a few easy clicks.

Here's how to convert an AVI to an MP4 on Mac computer with QuickTime Player Pro.

  • Launch QuickTime Player on Mac.
  • Go to File > Open File, select the AVI video you want to convert, click Open.
  • Select File > Export.
  • Select Movie to MPEG-4 from the Export drop-down list.
  • Click Save.

Your Mac's QuickTime will start converting AVI file to MP4 format. You can monitor the progress of your export in the popup small window.

Also see: How to play AVI video files on Mac

3. Handbrake

If you're looking for a free AVI to MP4 converter for Mac to handle your AVI conversion without sacrificing (much of) its quality, you can stick with a application named Handbrake. It's one of the best open source and free video converters available on the market. It accepts just about any video format you've got, and converts your files into three formats: MP4, MKV and WebM.

Here's how you can use Handbrake to convert .avi to .mp4 for Mac free.

  • Run Handbrake on your Mac.
  • Click Open Source to add your AVI files to the program.
  • Select MP4 File from Format drop-down menu.
  • Click Start to begin the conversion process.

4. CloudConvert

If you would rather not install any AVI converter software to convert files to MP4, web service like CloudConvert is perfect. The program converts a variety of input and output video file formats, such as 3GP, MKV, WMV, AVI, MP4, MOV, MTS, MPEG, SWF, WebM. It also converts other kinds of files, from archive, ebook, presentation, to vector, font. CloudConvert works entirely online so you don't download anything on your computer. Best of all, it is totally free.

Please note that if your source file is larger than 1 GB, or you have more than 25 conversion tasks processed by CloudConvert per day, you'll have to buy a prepaid package or make a subscription.

To convert AVI video to MP4 video on Mac:

  • On your Mac, navigate to cloudconvert.com through a browser.
  • Click Select File, browse your AVI video and upload to cloud.
  • In "Convert to" field, select MP4 from the list.
  • Click Convert.

You can see the progress of the AVI file to MP4 conversion on your Mac. When it's done, hit the green Download button to save new created file onto computer.

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