Top 10 Methods to Convert AVI to MP4 Mac and Windows

This article introduces the best free AVI to MP4 converters to convert AVI to MP4 or MP4 to AVI easily.

All-in-One Video Solution - Wondershare UniConverter

  • Convert AVI to MP4, MKV, MOV, and other 1,000 formats at 90x faster.
  • Edit, personalize your AVI video before MP4 conversion.
  • Download videos from YouTube videos and other 10,000 sites.
  • Remove watermark from videos and add subtitles to videos.

5 Common Methods to Convert AVI to MP4

5 Common Methods to Convert AVI to MP4

According to some surveys, you can find there're generally 4 types of a video converter in the market for you to converting AVI to MP4 on Mac and Windows :

  1. Video Converter Software, including Wondershare, Freemake, Movavi, etc. occupy a great share of video converter marketing.
  2. Online Video Converter rises in recent years in response to the needs of converting files in the cloud without downloading additional software.
  3. Video Converter Freeware also holds a certain portion of video converter marketing due to its relatively stable functions when compared with online video converter.
  4. Video Player with Converting Features like VLC media player, QuickTime also meet the basic converting requirements.

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Part 1. Best AVI to MP4 Converter

Frankly speaking, Wondershare UniConverter (originally Wondershare Video Converter Ultimate) is the best way to convert AVI to MP4 on both Windows and Mac. The following is a detailed guide on how to convert AVI to MP4 on Mac, note that the Windows version functions almost the same.

Wondershare UniConverter

  • Convert AVI to MP4, MKV, MOV, and 1000+ formats.
  • Convert video/audio without quality loss.
  • 90X faster conversion speed than any other converters.
  • Download online videos from 10,000+ sites and platforms.
  • More powerful editing features are available: Smart Trimmer, Watermark Editor, Subtitle Editor and Background Remover.
  • Supported OS: Windows 10/8/7, Mac OS 10.15, 14, 10.13, and more.

How to Convert AVI to MP4 on Mac and Windows

how to convert AVI to MP4 on Mac and Windows
Import AVI video to Wondershare AVI to MP4 converter
Open Wondershare AVI to MP4 converter, click Add Files, and import the AVI video that you want to convert to MP4 format. You can also directly drag & drop them into the .avi to MP4 converter.
import AVI Video to Converter
Convert AVI to MP4 format on Mac
Click the down arrow button beside Output Format:, then select the Video tab to choose MP4 in the left sidebar and select the video resolution from the right section.
convert avi video to mp4 on mac
Start AVI to MP4 Mac conversion
Click the Start All button when everything is set, and then the MP4 to AVI converter will initiate AVI to MP4 Mac conversion immediately.

Part 2. 5 Common AVI to MP4 Converters to Free Convert AVI to MP4 Online

2.1 is a web-based service created for audio/video file conversion. It allows you to convert popular audio formats like M4A, FLAC, WAV, WMA, OGG, and AM4 to MP3; or convert MP3 to WAV, MP3 to WMA, and more on Windows or Mac without downloading software.

online avi to mp4 solution

Step 1: Click + to add your AVI files.

Step 2: Select MP4 as the format to convert to.

Step 3: Click Convert to start converting your files.

Step 4: Download a converted MP4 file or save it to Dropbox.

2.2 Onlinevideoconverter (OVC) is a free online media conversion web application that allows you to convert any video link or file to various formats without the need to install any software on your computer.

online avi to mp4 converter

Step 1: Choose a .avi video or any other supported media file from your device or cloud storage.

Step 2: Select .mp4 as the conversion format from the dropdown menu.

Step 3: Click the Start button to start converting your file.

Step 4: When the conversion is completed, click on the download link to get your converted MP4 file.

2.3 Online-Convert is an online converter that has all in one website. It is totally free to use for the public users, does not have a convert limitation, it allows you to add online files and can make some manual adjustment with its Settings features such as cut your video, change bitrate, frame rate, among others.

online convert

Step 1: Click on Video Converter in the main window of the online AVI to MP4 converter.

Step 2: Click on Convert to WMV from the left list and then click the Browse button to add your MOV video or add its URL file.

Step 3: Click on the Convert file button to start converting AVI to MP4 online.

2.4 FileZigZag

FileZigZag is a complete online file formats converter that supports a wide variety of different file formats, including videos, documents, images, songs. It's effective, easy to use and totally free.

filezigzag video converter

Step 1: Click the Select button to upload your AVI files.

Step 2: Set MP4 as your output format from the drop-down list.

Step 3: Enter your e-mail address to receive your converted .mp4 files.

2.5 Convert.Files is an online tool for file conversion that enables you to convert your file from AVI to MP4 with the utmost convenience and ease. You have the option of sending it to your mail for downloading it immediately for use.

convert.files online

Step 1: Click Browse to upload the AVI file that you wish to convert.

Step 2: Click the drop-down icon beside Output format and select MP4 as the target file format.

Step 3: Click Convert and a link for downloading the converted file will appear in no time.

Part 3. 3 Common AVI to MP4 Converters to Free Convert AVI to MP4 Online

3.1 Wondershare Free Video Converter

The AVI to MP4 converter free enables you to free convert AVI to MP4 easily. It functions almost the same as the steps to convert AVI to MP4 with Wondershare UniConverter (originally Wondershare Video Converter Ultimate). The main differences lie in the conversion speed and supported formats. You can freely download the freeware via the download button below and use it anytime.

add avi video free

Video Converter Free

  • Free convert AVI to MP4, MOV, FLV, and 1000+ formats.
  • Trim, crop, edit AVI video before MP4 conversion.
  • 90X faster conversion speed than any competitors.
  • Supported OS: Windows 10/8/7, Mac OS X 10.14, 10.13 - 10.6.

How to Convert AVI to MP4 Free

add avi video free
Add AVI Video Free
Click Add Files button to import your target AVI videos to the free AVI to MP4 converter, or directly drag and drop them to the main interface.
convert avi to mp4 format free
Choose MP4 as Output Format
Hit the format icon in the upper-right corner to get the full list of output format, choose MP4 under the Video tab.
start converting avi to mp4 free
Convert AVI to MP4 Free
Click Convert All in the bottom right to free convert AVI to MP4 right away.

3.2 QuickTime

QuickTime is the built-in video player of the Mac system that multitasks and performs an array of other functions as well including video conversion. While using QuickTime there is no need of downloading any software or program as it comes bundled with the system. The process of video conversion is simple and quick using this free Mac video converter.

how to remux mkv to mp4
  • Preinstalled with Mac and thus no need for any software download
  • Simple interface with easy to use features
  • Allows choosing for different resolutions
  • No batch processing option
  • Limited codec support
  • Limited features as compared to other programs

3.3 HandBrake

Handbrake is another widely used free video converter Mac that supports an array of input formats. This cross-platform program is compatible with working with Mac, Windows, and Linux systems. Using the software you can convert your videos to MP4, M4V, MPG, MKV, and other popular formats. In addition to decent quality conversions, Handbrake also supports advanced features like adding subtitles, adding audio tracks, setting and customizing frame rate, changing video codec, adjusting chapters, and others. Presets for quick conversions are also available.

how to remux mkv to mp4
  • A wide array of format support for converting almost all types of files
  • Comes with advanced control features
  • Presets for quick conversion
  • Utilitarian design
  • Working with settings need time
  • Only the first four minutes are supported during the Live preview

Part 4. Comparison Among AVI to MP4 Converters

Best AVI to MP4 Converter Online AVI to MP4 Converter Free AVI to MP4 Converrer
Convert home DVD Yes, convert with watermark
Convert Video to common formats Almost all formats, over 1000 formats Only common formats Almost all formats, over 1000 formats
Batch conversion of video files
Maximum upload file size Unlimited 100MB Unlimited
Video Conversion speed Fastest Video Conversion in the industry Slow Good
Video conversion quality Lossless quality General Good
Convert any 2D videos to a 3D format at ultrafast speeds
Convert HD Video including 4K /
Burn video or audio to DVD for personal Yes, with watermark
Download YouTube Video and the videos from other 10,000 video sharing sites Only download video from YouTube
Record Online Videos Record 1 minute
Editing functions: Clip, Split, Crop, Merge, Rotate and More
Special Effects for video editing
Add or Remove Text/Image Watermark
Plug-in Subtitle
Transfer videos to your Apple and Android devices Only 5 files
Streams your media files on a PC to a smart TV
Perfect DLNA support built-in

Part 5. Frequently Asked Questions for AVI Format

5.1 Why Does AVI Not Work on Mac

Generally, there're 2 major reasons causing AVI playback issues.

1. CODEC has not been ported to Mac OS X

AVI (Audio Video Interleave) is a media container consists of both video and audio data compressed with CODECs (Compressor-Decomoressor), which are unavailable for QuickTime in Mac OS X.

2. DivX®-encoded files carry the .avi extension

QuickTime does not include native DivX support, even though QuickTime 6 and later support the ISO Standard MPEG-4 media compression format and DivX is based on the MPEG-4 standard.

5.2 How to Solve .avi File Not Playing Error

We collect 4 effective methods that help to play AVI files in QuickTime on Mac.

1. Install Perian

Perian is an excellent, free, and open source QuickTime component.

2. Install the 3ivx® D4 CODEC

Download and install the 3ivx MPEG-4 CODEC as the installation instructions require in the associated ReadMe file. This CODEC adds support for a variety of DivX and other formats which often carry the .avi extension.

3. Use VLC Media Player

The quickest and easiest way to play AVI and DivX files on Mac OS X is to download and install the free VLC Media Player for OS X, which has a wide support VLC is also often referred to by its original name, VideoLAN Client.

4. Convert AVIs to Mac-compatible Format

To thoroughly solve AVI not playing on Mac issues, you can take advantage of Wondershare UniConverter (originally Wondershare Video Converter Ultimate) to convert AVI to MOV, M4V or any other Mac supported formats

5.3 MP4 or AVI, Which is Better

Handbrake is an open source and completely free command line tool for transcoding video files from one format to another. Although the interface looks complex, it's easy to use. Below we'll show you how to convert MP4 to MP3 with ease.

1. What is AVI

AVI files contain both audio and video data in a file container that supports synchronous audio-with-video playback. However, AVI lacks some features that newer containers like MPEG or MP4 have cuz it was developed for Windows.

2. What is MP4

MP4, specified as MPEG-4 Part 14, also has many other extensions such as .m4a and .m4p. It has good compatibility makes it playable on near all devices like iPhone iPad Android and it is highly-compressed while reserving high quality.

3. AVI vs. MP4
Developer Microsoft MPEG (Motion Pictures Expert Group)
Video Formats Supported Almost anything through VFW (Video for Windows) MPEG-2 Part 2, MPEG-4 ASP, /MPEG-4 AVC, H.263, VC-1, Dirac, others
Audio Formats Supported Almost anything through ACM (Audio Compression Manager) MPEG-2/4 (HE)-AAC, MPEG-1/2 Layers I, II, III (MP3), AC-3, Apple Lossless (ALAC), ALS, SLS and others
Supported Codecs Often DivX, Xvid MPEG-4, /AVC, /, also MPEG-1, MPEG-2, WMV/VC-1, Real Video, Theora, VP8, VP9, MVC
Supported Devices Microsoft devices, Game consoles, but not compatible with Apple devices PC, Mac, all kinds of mobile devices as iPhone iPad Android, etc.
Supported Media Players Windows Media Player or other Windows-based players Almost all kinds of media players
Resource > AVI > Top 10 Methods to Convert AVI to MP4 Mac and Windows

All Topics


1. Convert Popular Formats to AVI+
  1. 1.1 WMV to AVI Converter
  2. 1.2 MOV to AVI Converter
  3. 1.3 MOV to AVI Converter for Mac
  4. 1.4 MKV to AVI Converter
  5. 1.5 Free MP4 to AVI Converter
  6. 1.6 WebM to AVI Converter
  7. 1.7 MPG to AVI Converter
  8. 1.8 FLV to AVI Converter
  9. 1.9 Convert ISO to AVI
  10. 1.10 Convert M4V to AVI
  11. 1.11 3GP to AVI Converter
  12. 1.12 RMVB to AVI Converter
  13. 1.13 DivX to AVI Converter
  14. 1.14 WLMP to AVI Converter
  15. 1.15 VRO to AVI Converter
  16. 1.16 Video TS to AVI Converter
  17. 1.17 DV to AVI Conveter
  18. 1.18 MTS to AVI Converter
  19. 1.19 VOB to AVI Converter
  20. 1.20 Convert MP3 to AVI
  21. 1.21 MKV to AVI Conveter
  22. 1.22 GIF to AVI Converter
  23. 1.23 MP4 to AVI Converter with VLC
  24. 1.24 Convert FLV to AVI
2. Convert Other Formats to AVI+
  1. 2.1 ASF to AVI Converter
  2. 2.2 MXF to AVI Converter
  3. 2.3 MOD to AVI Converter
  4. 2.4 Convert MP4 to AVI
  5. 2.5 Convert MP4 to AVI on Mac
  6. 2.5 Convert DVD to AVI
  7. 2.7 Convert WTV to AVI
  8. 2.8 Convert DVR to AVI
  9. 2.9 Convert Torrent to AVI
  10. 2.10 Convert AVCHD to AVI
  11. 2.11 Convert MSWMM to AVI
  12. 2.12 Convert OGV to AVI
  13. 2.13 Convert YouTube video to AVI
  14. 2.14 Convert Windows Movie Maker Video to AVI
  15. 2.15 Convert Windows DVD Maker Video to AVI
  16. 2.16 Burn DVD to AVI with handbrake
  17. 2.17 Export Windows Live Movie Maker in AVI
  18. 2.18 Free M2TS to AVI Converter
  19. 2.19 Convert JPG to AVI
  20. 2.20 Convert PPT to AVI
3. Convert AVI to Popular Formats+
  1. 3.1 AVI to MOV Converter
  2. 3.2 AVI to MOV Online Converter
  3. 3.3 AVI to MKV Converter
  4. 3.4 AVI to 3GP Online Converter
  5. 3.5 AVI to M4V Converter
  6. 3.6 AVI to FLV Converter
  7. 3.7 AVI to WMV Converter
  8. 3.8 Free AVI to MPEG Converter
  9. 3.9 AVI to SWF Converter
  10. 3.10 AVI to DVD Converter
  11. 3.11 AVI to DivX Converter
  12. 3.12 AVI to ISO Converter
  13. 3.13 AVI to TS Converter
  14. 3.14 AVI to VOB Converter
  15. 3.15 Convert AVI to MP4
  16. 3.16 Convert AVI to MP3
  17. 3.17 AVI to MPEG Converter for Mac
  18. 3.18 AVI to MPEG Converter
  19. 3.19 Convert AVI to MP4 with VLC
  20. 3.20 Convert AVI to WAV
4. Convert AVI to Other Formats+
  1. 4.1 Convert AVI to iTunes
  2. 4.2 Convert AVI to WebM
  3. 4.3 Convert AVI to 3GP
  4. 4.4 Convert AVI to iMovie
  5. 4.5 Import AVI to iMovie
  6. 4.6 Convert AVI to Xvid
  7. 4.7 Convert AVI to Chromecast
  8. 4.8 Convert AVI to MPEG2
  9. 4.9 Convert AVI to MPEG4
  10. 4.10 Convert AVI to iPod
  11. 4.11 Convert AVI to GIF
  12. 4.12 Convert AVI to iPhone
  13. 4.13 Convert AVI to FCP Mac
  14. 4.14 Convert AVI to YouTube
  15. 4.15 Burn AVI to DVD
5. Convert AVI Online +
  1. 5.1 Online AVI Converter
  2. 5.2 Online Video Converter to AVI
  3. 5.3 Free WMV to AVI Online Converter
  4. 5.4 Free VOB to AVI Online Converter
  5. 5.5 MP4 to AVI Converter Online
  6. 5.6 FLV to AVI Converter Online
  7. 5.7 Convert AVI to MP4 Online
  8. 5.8 Convert AVI to MPEG Online
  9. 5.9 Convert MKV to AVI Online
6. Play AVI+
  1. 6.1 Top AVI Player
  2. 6.2 Play AVI on Mac
  3. 6.3 Play AVI on iPad
  4. 6.4 Play AVI on iPhone
  5. 6.5 Play AVI on Xbox one
  6. 6.6 Play AVI on Xbox360
  7. 6.7 Play AVI with VLC Player
  8. 6.8 Play AVI in QuickTime
  9. 6.9 Play AVI in Windows Media Player
  10. 6.10 Play AVI in Samsung galaxy s6
  11. 6.11 Play AVI on Apple TV
  12. 6.12 Play AVI on TV
7. AVI Tips & Tricks+
  1. 7.1 MOVAVI Alternative for Windows
  2. 7.2 MOVAVI Alternative
  3. 7.3 Free AVI Converter on Mac
  4. 7.4 AVI Converter for Windows 10
  5. 7.5 Free AVI Converters on Mac
  6. 7.6 AVI Converters
  7. 7.7 Free AVI Player for windows
  8. 7.8 AVI Player for Mac
  9. 7.9 AVI Cutter
  10. 7.10 Make AVI Smaller
  11. 7.11 Reduce AVI File Size
  12. 7.12 Compress AVI
  13. 7.13 Add Metadata to AVI
  14. 7.14 3D AVI Creator
  15. 7.15 Repair AVI File
  16. 7.16 What Is an AVI File
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