An AVI to MP4 converter is a specialized file converter that allows you to transcode AVI videos to MP4 files. It helps not only to reduce the size of the files, but also lets you enjoy your favorite movies on mobile phones.

More than a Mac downloader, it can convert any local or downloaded files to all kinds of formats such as MP4, MKV, MOV, MPEG, WMV, AVI, FLV, MP3, RM, VOB, OGG, AAC, AIFF, WAV, etc. After that, you may transfer the video to popular gadgets like iPod, iPad, iPhone, Zune, PSP, Android and more for endless enjoyment.

Although Mac’s default player supports the MP4 video format natively, it can only play files compressed with MPEG-4, MPEG-2, and H.264 codecs. If you want to play an MP4 file encoded with a different codec, you’ll need to install a player that supports that codec, or convert the video. Mp4 to mp3 converter for mac free download - Aiseesoft MP4 Converter for Mac, Mac Free Any MP4 Converter, Mac Any MP4 Converter, and many more programs.

Video conversion is never an easy task, not to mention using a free AVI to MP4 converter.

So, it makes sense that many people left messages to complain that their videos were damaged by video converters.

Then the conversion will start and it should finish in just a few minutes. As soon as the conversion is finished you will be able to click the „Download” button to start the download. Any Video Converter Free Mac is the best free video converter to convert any video to MP4, AVI, WMV, MP3, and edit video on macOS for free. YouTube is the most obvious source for online videos, however it is not always obvious how to download them for your offline usage. There is a hidden gem among the apps - Airy MP4 YouTube downloader for Mac. YouTube downloader to MP4 for Mac for the best resolution and size. Download Airy and activate its full version for unlimited video downloading. Free version of Airy allows 2 downloads.

Therefore, we identify best 15 free AVI to MP4 converters for you, and also the simple guide of converting AVI to MP4 is attached.

Part 1. Best 10 Free AVI to MP4 Converter Software for Windows and Mac

1. Aiseesoft Free Video Converter

Platform: Windows, Mac

Aiseesoft Free Video Converter is another popular video converter. Apart from encoding AVI to MP4, it also lets you:

• 1. Encode AVI format to more than 300 formats, and convert MP4 to AVI and other formats for free.
• 2. Customize the output settings like codec, bitrate, resolution (up to HD).
• 3. Edit opening theme and ending theme.
• 4. Batch convert AVI to MP4 on computer.

This free AVI to MP4 converter is easy to use. After importing one or several AVI videos and choose MP4 from the dropdown list of 'Output format' as the output format, and one-click on the Convert button will complete the job.

2. Handbrake

Platform: Windows, Mac, Linux

Handbrake is an open source AVI to MP4 converter. Its main features include:

• 1. Convert AVI videos to MKV, M4V, MP4, AAC, FLAC, MP3, etc.
• 2. Extract MP4, MOV, FLV, WMV, MP4, etc. videos from DVDs.
• 3. Support 4K resolution AVI to MP4 conversion.
• 4. Offer extensive custom options.

How to use Handbrake to convert AVI to MP4

Step 1: Go to 'Source-> Open File' to import the AVI video into the program. Drop a folder to save the output in 'Destination' area.

Step 2: Choose MP4 on the 'Container' list and click 'Start' button.

3. Miro Video Converter

Platform: Windows, Mac, Linux

Miro Video Converter is a free AVI to MP4 converter for Mac, Windows and Linux. Let's check what is also supported apart from free converting AVI to MP4:

• 1. Support drag-and-drop command.
• 2. Convert video to various devices.
• 3. Easy to transfer files to MP4, WebM, OGG, MP3, etc.

How to use Miro Video Converter Mac

Step 1: Connect your phone to the Mac computer and launch the program. Drag and drop the AVI videos into it.

Step 2: Choose a target device or MP4 from 'Format' area and hit 'Convert to WebM SD' to start converting.

4. FFmpeg

Platform: Windows, Mac, Linux

FFmpeg is another open source command line AVI to MP4 converter. Apart from being the AVI to MP4 converting freeware, it also highlights for the following reasons:

• 1. Include libavcodec, the leading open source codec library.
• 2. It is fast to convert AVI to MP4 for free if you are not beginners.
• 3. Fast video conversion from AVI to MP4.

How to use this free AVI to MP4 converter

Step 1: Click 'Open' button to load the AVI video and then hit 'Save As' to select a folder to save the result.

Step 2: Choose MP4 on the 'Video Codec' list and click 'Encode' button to start encoding AVI to MP4.

5. AnyMP4 Free MP4 Converter

Best Free Mp4 To Dvd Converter For Mac

Platform: Windows, Mac

AnyMP4 Free MP4 Converter is one of the best free AVI to MP4 converter. Its key features include:

Youtube Mp4 Downloader Mac

• 1. Convert AVI format to MP4 without quality loss.
• 2. Adjust video effect, rotate, flip, add watermark, clip and merge, etc.
• 3. Convert MOV/MKV/AVI/WMV/FLV/VOB/SWF/M4V to MP4.
• 4. Encode multiple videos in one click.
• 5. Preview video effects before converting.

How to convert AVI to MP4 for free

Step 1: Run the free AVI to MP4 converter and import several AVI videos to convert by clicking 'Add File' button.

Step 2: Choose MP4 on the 'Profile' menu and drop a destination. Finally, click 'Convert' button to encode AVI to MP4.

6. VLC

Platform: Windows, Mac, Linux, Android, iOS, Chrome OS, and more

VLC is a both a media player and a free AVI to MP4 converter. Apart from converting AVI to MP4, it also has the following features:

• 1. Convert AVI to MP4 and other video formats, like DVD, MKV, FLV, MOV, WebM, MPEG, etc.
• 2. Grab online videos and download in MP4.
• 3. Support H.264, H.265, DivX, VP8 codec.
• 4. Play and stream multimedia online and offline.

How to use VLC Media Player as a video converter

Step 1: Go to 'Media' menu and click 'Convert/Save' option to open the 'Open Media' dialog.

Step 2: Click Add button in File tab to import AVI video. Then unfold the 'downward' icon and choose 'Convert'.

Step 3: Pick up 'MP4' on the 'Profile' list and click on 'Start' button to begin converting.

7. WinX Free AVI to MP4 Converter

Platform: Windows

WinX Free AVI to MP4 Converter is a free AVI to MP4 converter tool. Its features include:

• 1. Transcode AVI to MP4, MOV, MPEG, WMV, MP3, etc.
• 2. Compress MP4 before converting from AVI.
• 3. Merge, crop or trim videos.
• 4. Hardware acceleration support.

When you want to convert videos, drag and drop them into the program and click on Run button. The program will complete the process.

8. Freemake Video Converter

Platform: Windows

Freemake Video Converter is a popular free video converter for PCs. Its features include:

• 1. Compress the output MP4 files before converting.
• 2. Download and convert online AVI files to MP4 directly.
• 3. Rip AVI, MP4, etc. videos from DVD and burn MP4, AVI, and more files into DVD disc.
• 4. Edit MP4 files before converting, like merge, clip, rotate, etc.

After upload AVI videos into the free AVI to MP4 converter, you can click on 'to MP4' option to start the conversion process.

9. Any Video Converter Free

Platform: Windows, Mac

As its name said, AVC is a free AVI to MP4 converter as well. Its features include:

• 1. Support HEVC/H.265 Video Coding.
• 2. Download online videos to from YouTube, etc.
• 3. Extract videos and audio from DVD or video.
• 4. Edit and enhance videos.

This video converter supports two-step video conversion. Import an AVI video, choose MP4 from the output format list and click on Convert Now button to finish the operation.

10. Free HD Video Converter Factory

Platform: Windows, Mac, Linux, Android, iOS, Chrome OS, and more

The free version of HD Video Converter Factory is another choice to convert HD AVI to MP4. Its features include:

• 1. Convert AVI videos from computer locally or URL to MP4.
• 2. Download HD videos from YouTube, LiveLeak, Vimeo, MetaCafe, Facebook, etc. to MP4.
• 3. Merge video clips, remove subtitle, add filter effects to video before converting.

After load AVI videos and choose MP4 from the output list, you can get what you want by clicking on the Run button of the free AVI to MP4 converter.

Part 2. Top 5 AVI to MP4 Converter Online and Free

11. Online Converter

Online Converter offers various file converters, including a free AVI to MP4 converter. Its features include:

• 1. Import AVI files from hard disk, cloud services or websites.
• 2. Convert AVI, FLV, M4V formats to MP4 online.
• 3. Provide extensive custom options.

When it comes to how-to, you can upload an AVI video from PC or Google Drive and click on Convert file button to complete conversion and download.

12. Online Video Converter

If you need a free AVI to MP4 converter online, Online Video Converter is one of the best choices. Its features include:

• 1. Transcode AVI videos to MP4 or other formats online.
• 2. Set start point and end point to cut the video as the video cutter.
• 3. Decide the output quality.

It supports one-click conversion. So, after import an AVI file and customize output format and other options, hitting the Start button will complete the process.

13. AConvert

Office 2019 roda no windows 7. As a free AVI MP4 video editor and converter, AConvert's features include:

• 1. Encode local or online AVI videos to MP4.
• 2. Cut, merge, rotate or crop videos online.
• 3. Create unique videos with custom options.

Once you upload an AVI on the home page and set MP4 as target formats, clicking Convert Now button will take you to the result page when it is done.

14. Files Conversion

Files Conversion's video encode app is another free AVI to MP4 converter. Its features include:

• 1. Upload videos from computers or URL for converting to MP4.
• 2. Encode AVI to MP4 for portable devices.
• 3. Customize result quality and size.

Similar to other online video converter, all you need to do is to upload an AVI video, choose MP4 from format list and click Convert button to evoke the conversion process.

15. HD Convert

HD Convert works for converting HD videos online. Its features include:

• 1. Encode HD videos to MP4 or other formats.
• 2. Offer preset solutions.
• 3. Convert AVI to MP4 automatically.

This free AVI to MP4 converter is able to convert video online easily. Choose MP4 converter and upload an AVI video. It will do the rest work automatically.

Part 3. How to Convert AVI to MP4 for Free with Free Trial

The above free AVI to MP4 converter can easily help you to free transfer AVI to MP4 for free. However, another way of exporting AVI to MP4 is using the free trial of an excellent video converter. Actually, many video converters in the market support a free trial, and you could benefit from the rule exactly. AnyMP4 Video Converter Ultimate is one of them, and let's check its functions one by one:

• 1. Lossless conversion. It is able to convert video formats without damaging quality, including the resolution from SD to HD, even 4K UHD.
• 2. Higher compatibility. This video converter supports almost all video and audio formats.
• 3. Video editor. The built-in video editor offers basic editing tools, like clip, merge, rotate, mirror, watermark, effects, 3D, etc.
• 4. Extract sound from video or DVD easily.
• 5. Rip DVD. It also has the capacity to extract video and audio from DVDs.
• 6. Add or delete subtitle, extra-audio track, etc.

How to use AnyMP4 Video Converter Ultimate

Step 1: Download and install software on your PC

Above all, just download the AnyMP4 Video Converter Ultimate from AnyMP4 website, and then you should install it on your computer.

Step 2: Run program and choose Add Files

After you finish installation, open this application. Afterwards, click 'Add Files' icon to choose the video that you intend to convert it to MP4 online. This option is the second one at the top of the interface.

Step 3: Edit the video to be perfect

Next, click the 'Edit' icon. After that you can adjust video rotate, crop, watermark, filter and effect according to your requirement. Regarding this step, you can just skip it directly if you don't need to modify or polish this video, you can skip it directly.

Step 4: Choose the video output format

Then, hit the inverted triangle in the box next to the 'profile' text to choose the MP4 format. And then, tap the 'Save to' column to select the save location.

Step 5: Start to convert video

Once you have finished all the steps above, you can click the 'Convert All' choice at the bottom of the interface.

Conclusion

In this article, we have shared top 15 free AVI to MP4 converters in detail. Some are best desktop programs; others are to online video converters. You can discover most appropriate video converter software based on our introductions. Moreover, when you need to convert videos, you can follow our guides to get what you want easily.

Part 4. FAQs of Converting AVI to MP4

1. Is AVI better than MP4?

AVI video has better quality. If you prefer better quality, you can choose AVI, but if you prefer to save space, MP4 is a good choice.

2. Can I convert AVI to MP4 with HandBrake?

Yes. Handbrake is one of the converters that you can use to turn AVI to MP4. It can convert many formats, and it's totally free and works best with Linux, Mac and Windows platforms.

3. How do I convert AVI to MP4 on Mac?

Free Download Mp4 Video Converter For Mac

You can try AnyMP4 Free MP4 Converter to change your AVI videos to MP4 on Mac. You just need to Download the program from Mac App Store and install it on your Mac computer. When you need to convert AVI videos, launch the program. Then add the AVI files to this program and choose MP4 format as the output file. In the end, click the Convert button to start your conversion.

Youtube Video Converter Mp4 Download

4. Can I extract audio from AVI videos with VLC?

Youtube Download To Mp4 Converter

VLC is a popular media player and free of charge. You can find more powerful features in it, such as convert AVI to MP3 or other audio formats, rip DVD, record streaming, and more. 

It appears that an increasing number of users would like to download video clips and movies from YouTube, Google Video, Veoh, Break, or DailyMotion, etc. and convert them to portable devices such as iPhone, iPad, etc., so that you can enjoy the videos anytime anywhere.

There are tons of free video downloaders for Mac and Windows PC. Some are for desktop while others are web apps. No matter which one you pick, each has its pros and cons. Here I would introduce the top 10 best free video downloader for Mac or PC to you. All of them are able to help you grab videos to your computer with the URLs.

Best Video Downloader for Mac

Cisdem Video Converter (All-in-one Solution)

• Download clips from more than 1000 popular sites
• Cope with 720p, 1080p, 4k and 8k videos
• Ensure video conversion between over 500 formats without losing quality
• Support batch processing multiple videos
• Built-in media editor allows to trim, combine, crop, add subtitles or effects, etc.
• Rip personal & commercial DVD to digital formats
• Supported OS: OS X 10.10 or later

Free Download

Reviews on Best Free Video Downloader for Mac/PC

1. iFunia YouTube Downloader (Mac)

iFunia YouTube Downloader is a free video downloader for Mac that helps you download online 1080p FHD, 4k UHD videos to Mac in batch. It's not just for video downloads from YouTube but from Dailymotion, Vimeo, Blip TV, Liveleak, Lynda, Break, Vube, Ustream, Ted, and other websites.

Copy the video URL and it will be auto pasted into the URL field. Or you can drag-n-drop all of the videos' thumbnails into the program, and start to download favorite videos for several minutes.

Pros:

1. Easy-to-use, intuitive
2. Support to download YouTube playlist

2. VDownloader (Windows, macOS)

VDownloader is an intuitive app that focuses on video downloading. It’s fully compatible with major video hosting sites, like Dailymotion, Break, Twitch, Vimeo, and more.

However, you are only allowed to bulk download unlimited videos 10 times and convert local videos 3 times. If you like this best free video downloader, you can fetch their commercial version at the price of $17.99/yearly or $59/lifetime.

Pros:

1. Integrated with a search feature to add video content to your follow tab
2. Convert video to custom format

Cons:

1. The speed of installation is pretty slow
2. Not work well on Mac computer and merely available on macOS Mojave or later

3. QDownloader.io (web tool)

QDownloader.io is a free online video downloader & converter with the ability to grab videos from a handful of video hosting sites, including YouTube, Facebook, Instagram, and Twitter.

It can directly convert video from websites to MP4 and MP3 on Mac or PC. There are browser extension versions on Safari, Firefox, Opera, and Chrome, assisting you in downloading.

Pros:

1. User-friendly
2. Quickly catch video by adding io before 'youtube.com'

Cons:

1. Save up to 720p video, even it's a 1080p or 4k video
2. Download up to 128kbps audio only

4. Keepv.id (web tool)

KeepVid is one of the best free video downloader for Mac/PC that allows you to download all types of videos online from YouTube, Facebook, Twitch.Tv, Vimeo, Dailymotion, and many more. The downloaded videos will be saved in MP4, MP3, M4A, or WebM format.

Without superfluous interfaces, novices can get started via copying & pasting the URL in the textbox.

Pros:

1. Preserve video metadata like name, song title, album, etc. in MP3
2. Keep subtitles in various languages

Cons:

1. Only 100 videos in the YouTube playlist can be detected at most
2. Can't download the playlist all at once and no batch download
3. The output definition is limited no exceed 1280p

5. aTube Catcher (Windows)

aTube Catcher is a desktop free video downloader for PC system which can perform lots of video tasks. It lets you download videos from social websites, and export them to PC or some portable devices, like iPad, iPod, PSP, MP4 player, and DVD.

It offers donations access for users to help them in the budget and maintain the best free video downloader app updated and running.

Pros:

1. A host of video formats are supported
2. Record screen, create DVDs/CDs

Best Mac Video Downloader

• No risk of ads, buffering, virus attack to your Mac.
• Support the download from all popular sites, like YouTube, Tumblr, DailyMotion, Blip, Veoh, AOL, Vimeo, etc.
• Batch download
• Preview the downloaded videos
• Snapshot and save your favorite screen picture.
• Convert and transfer videos to any kind of digital device including iPhone, iPod, iPad, Android, Blackberry and Windows Phone, PSP, etc.

Free Download

6. Freemake (Windows, macOS)

Freemake is a popular video downloader for free works on Mac and Windows. It supports downloading videos, playlists, channels in HD, MP4, MP3, AVI, 3GP, FLV, etc. Lots of sites are supported, like Youtube, Facebook, Vevo, Hulu, Dailymotion, Vimeo, Vkontakte.

Convert To Mp4 Free Mac

The software has a self-explanatory UI. Any new users can easily know how to use it.

Cons (limits of the free version):

Download Video For Mac

1. Download up to 50 videos
2. Each video can’t longer than 3 minutes
3. Unable to convert video to MP3
4. Add Freemake logo to your video
5. Fail to fetch 4k videos

7. ClipGrab (Windows, Mac)

ClipGrab is an acclaimed best free video downloader working on Windows. It supports downloading videos, playlists, channels in MP4, MP3, AVI, 3GP, FLV, etc. with quality retained.

Plus, it supports certain media sites, like Youtube, Facebook, Vevo, Hulu, Dailymotion, Vimeo, Vkontakte.

Note: It expects you to donate 10, 20, 30 euros for further development.

Pros:

Mp4 Downloader Mac

1. Automatically catch URL from clipboard
2. Support a built-in search option

8. GetTube (Mac)

Mp4 Downloader For Mac

In old days, GetTube is a lightweight Mac OS X app that enables you to download videos and playback the media any time you like, directly from your computer. Get Tube works well with Safari and Firefox. Once you install it, you'll see a new button in the browser while you surf on YouTube. Click it and you'll be able to download the featured video in a matter of seconds.

With compatibility with macOS 10.12 or above, GetTube starts to charge, and you need to pay 5 euros to unlock the download function.

Pros:

1. Download videos in high quality
2. Search videos within the software

Cons:

1. Inconvenient UI
2. Only save video as MP4 and MP3 format

9. 4K Video Downloader (Windows, Mac)

4K Video Downloader is a reliable freeware that downloads videos, playlists, channels, and subtitles from YouTube, Vimeo, etc. This best free video downloader for Mac/PC lets you manually set the output formats as MP4, FLV, MKV, MP3, OGG, M4A.

You just copy the URLs of the target movies and, click the button “Paste Links”. But if you want to download more than 25 YouTube playlist videos or download the channel, you have to buy the serial number and get the perpetual permissions.

Pros:

1. Support to download 4k & 360-degree videos
2. Download the whole playlists

10. MacTubes (Mac)

Update: 1. The developer stopped releasing the app; 2. Not work anymore since Google changed YouTube API.

MacTubes is a handy free video downloader for Mac that you don’t have to visit the site itself. It allows you to create playlists based on what you've downloaded or what you've searched on. And it will list the downloaded and played files for you to create playlists.

Pros:

1. Work without having to open the YouTube website

Cons:

1. Offer no compatibility with other major video sites
2. Only save videos in one format

Bonus: Best Video Downloader Mac for Paid

Cisdem Video Converter is a one-stop and professional toolbox for Mac users to download & convert & edit videos, rip DVDs, etc. It should be the best video downloader for Mac to help you grab TV episodes, movies, music videos, news, sports, and other online video clips with the fastest speed.

Once you launch the free trial version, it would pop up a small box. Click “Evaluate”, and download the online video for free. If you buy its pro version, you would get the registration code to enjoy video conversion, video downloading, DVD ripping, and sharing functions within one.

Quick Steps to Download Video from Website Mac Using Cisdem Video Converter:

Download Cisdem Video Converter to your Mac first, then run it and click the download section at the top.

Go to the video streaming sites that the software supports. Find the video you desire to download and copy its URL.

Return to the best video downloader for Mac, and paste the URL to the download bar.

Click on the “down arrow” icon to start the video download. You can add multiple URLs to the download list.

Conclusion

After being familiar with a vast assortment of options for the best free video downloaders for Mac/ PC as well as the paid one, we can easily distinguish their benefits and drawbacks. With our overview, you should have a clearer picture of which best video downloader suits most of your needs.