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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.

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

Avi to mp4 converter mac free download - Wise Video Converter, Free MP4 to AVI Converter, Free MP4 to AVI Converter, and many more programs. Best AVI to MP4 Converter. Frankly speaking, Wondershare UniConverter (originally Wondershare.

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

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.

Convert Avi To Mp4 Converter

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

Platform: Windows, Mac

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

• 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

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?

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.

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

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. 

MP4 is the most popular format for playing movies and videos. Sometimes, you cannot play AVI videos on your devices. Then, you need to convert AVI to MP4 for its popularity and broad compatibility. This post shows five practical ways to help you convert AVI to MP4 on Windows, Mac, Android, iPhone, and online.

AVI VS. MP4 - Which Format Should We Choose

AVI, also known as Audio Video Interleave, is a multimedia container format introduced by Microsoft. This file format can contain both audio and video data in a file container that allows synchronous audio-with-video playback. An AVI file uses less compression to store files and takes up more space than many other video formats—like MPEG and MOV. How to open an AVI file? Here are the answers:

• Windows users: use Windows Media Player or other supported applications.
• Mac/Linux/Android/iPhone users: use VLC player.

MP4, specified as MPEG-4 Part 14, is also a multimedia container format used to store video, audio, subtitles, and images into one single file. MP4 is an embodiment of the QuickTime format of 2001 and has a standard .mp4 extension. So if you're looking for a standard video format that's acceptable on all devices and websites, MP4 is your go-to option. You can also know more differences between AVI and MP4 in the table below:

The MP4 format is widely used for all the video players or portal devices, but also used for compression of AV data for web and stream over the Internet. But AVI can only be used for Windows-based media players or other devices with related codec. Thus, most people want to convert AVI to MP4 for wide compatibility. We provide you with five effective ways to convert AVI to MP4.

Method 1. How to Convert AVI to MP4 on Windows 10/8/7 for Free

Stop wasting time looking for a free AVI to MP4 converter on Windows 10. EaseUS Video Editor is your best choice. It is a free and easy-to-use free video editing software no watermark. This video editing software supports to export many popular audio and video file formats, to some degree, and it is a useful video/audio converter, which can help you to change video format without any difficulties.

Highlights:

• Transcode AVI and MP4 to all popular formats, including MP3, MOV, MKV, AAC, WMV, GIF, and more
• Convert movies files to optimized preset for almost all devices
• Upload videos to popular sites like YouTube, Vimeo, Facebook, etc.
• 30X faster conversion speed than any conventional converters
• Edit, enhance, and merge videos to make a movie
• Versatile toolbox combines video metadata, video compressor, and more
• The best GIF maker and audio mix software
• Support Windows 10/8.1/8/7

How to convert AVI to MP4 with EaseUS Video Editor:

Let's see how to use the best and free video converter on Windows 10/8.1/8/7.

Step 1. Import the source file

Launch EaseUS Video Editor. On the home screen, you can import the source file by either clicking the 'Import' option or simply dragging the video to the appropriate area.

Step 2. Add to project

You need to add the imported file to the track by choosing the 'Add to Project' option, or you can drag and place the video to the track as you want.

Step 3. Export the source file

Now you can click 'Export' on the main menu on the top.

Step 4. Save as MP4/AVI/WMV/MKV/MOV/GIF

Under the 'Video' tab, choose a file format among the available options as the desired video file format.

On the right pane, you can edit the file name, customize an output folder and settings and then click 'Export'.

Also Read:How to Convert AVI to MOV

Method 2. How to Convert AVI to MP4 on Mac

As we have mentioned above, AVI is not compatible with Apple devices and Mac. If you are a Mac user, you'll need to change AVI into MP4. To easily convert AVI to MP4, all you need is VLC. VLC is not only a media play but also a cross-platform, free, and open-source tool for universal use on all digital devices. You can convert AVI to MP4 with VLC.

Steps to convert AVI videos to MP4 format with VLC Media Player:

Step 1. From the VLC menu bar, click on 'Media > Convert/Save'.

Step 2. The Media dialog box will open. Click on the 'Add' button to browse for the AVI files that you want to add. Then click 'Open'.

Step 3. Click on 'Convert/Save' at the bottom. In the Convert box, select the destination folder and the name for the new video file.

Step 4. Click 'Start' to begin the conversion. Under Profile, select MP4 video format from the list of formats. Click Start to convert.

Method 3. How to Convert AVI to MP4 Online

If you want to upload your AVI to Chrome or Firefox, you can choose to convert AVI to MP4 online. No matter what kind of device you are using, a Windows laptop, or a MacBook, you can easily switch to MP4 online. I have tried several online AVI to MP4 converters. Among them, ZAMZAR works perfectly. All you need to do is select your file, pick a format to convert to, and away you go.

Step 1. Choose the AVI file that you want to convert.

Step 2. Select MP4 as the format you want to convert your AVI file to.

Step 3. Click 'Convert' to convert your AVI file.

Method 4. How to Convert AVI to MP4 on Android

If you want to convert AVI to MP4 on your Android phone like Samsung, HTC, OnePlus, LG, or Google Pixel, you can ask Video Converter Android for help. Instead of using video players to play the video in various formats, you can use Video Converter for Android to convert the video to formats Android support, and play the video using a system player with hardware acceleration.

Highlights:

Avi To Mp4 Converter Download Mac

• Convert to mp4 or h.264 or mpg from most commonly seen video formats
• Extract audio from videos, in mp3 or aac format
• Reduce video file size to send out through SMS etc.
• Convert video while keeping the original video quality

Steps to convert AVI to MP4 on Android:

Step 1. Open the converter app on Android phones.

Step 2. Touch the refresh icon on the top to load and add AVI videos on your device.

Step 3. Tap the Convert tab and select MP4 from the codec list.

Step 4. Click on the 'Start' button to start the AVI to MOV conversion process.

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Method 5. Convert AVI to MP4 on iPhone

There are many applications available in the App Store for iOS devices users to download for converting AVI to MP4 videos. Here, The Video Converter is one of the best choices. It can convert nearly any video file to MP4, MP3, 3G2, AAC, AVI, FLAC, FLC, M4A, MKV, OGV, OGA, WAV, MPEG, or WEBM.

Step 1. Select your input file.

Step 2. Choose your output format as MP4.

Step 3. Click 'Convert'. It will only take a few seconds.

Step 4. Share your file or open it on your device.

When the conversion is complete, you can preview the file and easily open it in another app, and you can always get all your converted files on your computer with iTunes File Sharing or iPhone to PC transfer tool.

Conclusion

You can perform an AVI to MP4 conversion on Windows, Mac, Android, iPhone, or online with simple clicks. The five video converters can always do you a favor with video conversion on different platforms.

AVI to MP4 Conversion Frequently Asked Questions

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You have learned about how to convert AVI to MP4. You might want to know the frequently asked questions about AVI and MP4. Read on, and you can get extra help.

Can VLC convert AVI to MP4?

Yes. VLC can convert AVI to MP4. Here is how:

• In the VLC menu on the top bar, click Media > Convert or Save.
• In the Open Media window, click on Add to select videos you want to convert.
• Click on Convert or Save at the bottom.
• In the Convert box, select the destination folder and the name for the new video file.
• Under Profile, select MP4 video format from the list of formats.
• Click Start to convert.

The converted video files are saved at your designated location.

How do I convert AVI to MP4 on Windows?

Step 1. Download and launch EaseUS Video Editor. Import the AVI file.

Step 2. Add to project.

Step 3. Export the source file.

Step 4. Save as MP4.

Is MP4 smaller than AVI?

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AVI is closely associated with DivX codec, which is notable for compressing video into small size with high visual quality. MP4 is based on MOV as a lossy format using MPEG4 AVC codec. It is the reason why many people believe AVI is better in quality than MP4.

How do I convert files to AVI?

To convert files to AVI:

Step 1. Download and launch EaseUS AVI editor. Import the source file.

Step 2. Add to project.

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Step 3. Export the source file.

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Step 4. Save as AVI.