7 Ways to Convert MP4 to AVI on Windows/Mac/iPhone/Android/Online

MP4 is a lossy video format that is compatible with all portable devices. You can see many videos in MP4 format. However, MP4 is not a universal video format. You still need to convert MP4 to AVI format to fix the incompatibility issue. Some players accept AVI files only. By converting video from MP4 to AVI, you can get AVI playback on your PC and laptop. Whatever, this article will show you 7 easy ways to convert MP4 files to AVI online and offline. Just read and choose the best MP4 to AVI conversion you like.

Part 1: How to Convert MP4 to AVI Online

FVC Free Online Video Converter is an MP4 to AVI batch converter. You can batch convert MP4 files to AVI online for free on your Windows or Mac computer. It does not matter that your MP4 video is in large file size. You can convert MP4 to AVI over 100MB, 200MB, 500MB, 1GB and even larger for free. It is a 100% free video converter for all users. That’s the main difference between FVC Free Online Video Converter and other common online converters. By the way, you can make the AVI video smaller by adjusting output settings here.

Step 1: Click Add Files to Convert in the main interface. Download FVC launcher as the on-screen instruction shows.

Step 2: Add your MP4 video file in the popping-up window.

Step 3: Set AVI as the output format.

Step 4: Click Convert to convert MP4 to AVI online for free.

This free online MP4 converter can also change other formats like M2TS, MTS, MOV, MKV, WMV, TS, etc., to MP4.

Part 2: How to Convert MP4 to AVI on Windows

If you are looking for an MP4 to AVI converter freeware, VLC Media Player can be your choice. You can convert MP4 to AVI with VLC on all Windows computers. Moreover, VLC can be your AVI player software on Windows as well.

Step 1: Run VLC Media Player. Choose Convert/Save from the Media list on the top.

Step 2: Click Add to import your MP4 video into VLC. Then click Convert/Save near the bottom to move on.

Step 3: Unfold the Profile list to set AVI as the output video format.

Step 4: Adjust VLC profile settings based on your need.

Step 5: Click Start to convert MP4 to AVI on Windows 10 and earlier versions.

Part 3: How to Convert MP4 to AVI on Mac

For Mac users, you can convert an AVI video to MP4 using QuickTime on your computer. QuickTime is a pre-installed program on all Apple Mac computers. Thus, you can convert MP4 to AVI without downloading extra software.

Step 1: Open QuickTime on Mac.

Step 2:Choose Open File from the File list. Browse and add your MP4 file into QuickTime.

Step 3: From the File list, select the Export option.

Step 4: Set AVI as the output video format.

Step 5: Click Save to convert MP4 to AVI with QuickTime.

Part 4: How to Convert MP4 to AVI on Android/iPhone

Media Converter is a free video converter that can convert MP4 to AVI on Android and iPhone. Not only AVI and MP4 formats are supported, but also other popular video and audio formats. You can convert, crop, compress and clip video on your phone.

Step 1: Open Media Converter app. Tap + on the top right corner of your phone’s screen.

Step 2: Choose Import Videos to add MP4 videos.

Step 3: Select your MP4 video. Set AVI as the output video format.

Step 4: Adjust video size, frame rate and more.

Step 5: Choose Convert to convert MP4 to AVI on iPhone or Android.

Part 5: How to Convert MP4 to AVI with Avidemux

Avidemux is a free and open source video converting software for Windows, Mac and Linux. Many file types are supported, including AVI, MP4, ASF and more. You can use Avidemux to convert MP4 to AVI video for free on your computer or laptop.

Step 1: Open Avidemux. Click Video & Audio to add your MP4 video into Avidemux.

Step 2: Select AVI as the output format in the popup window.

Step 3: Set a new file name and destination folder.

Step 4: Click Save to change MP4 to AVI with Avidemux.

Part 6: How to Convert MP4 to AVI with FFmpeg

You can convert from .mp4 to .avi using FFmpeg as well. The command line of MP4 to AVI conversion is not difficult. You can keep the original video frame rate and resolution with the following steps. But if you want to customize the converted MP4 files using FFmpeg, you need to enter other command lines.

Step 1: Free download and install FFmpeg on your computer.

Step 2: Copy and paste ffmpeg -i infile.mp4 youroutput.avi into FFmpeg window.

Step 3: Press the Enter key on your keyboard.

Step 4: Use FFmpeg to convert MP4 to AVI video.

Part 7: How to Convert MP4 to AVI with HandBrake

HandBrake is also an MP4 to AVI free converter you can use. The program allows users to convert videos from MP4 to AVI on Windows and Mac. Moreover, you can adjust video settings before converting to AVI format.

Step 1: Run HandBrake. Click Open Source on the top.

Step 2: Select AVI File from the Format list.

Step 3: Change video encoder, frame rate, quality and more.

Step 4: Click Start on the top to change MP4 to AVI with HandBrake.

Part 8: FAQs of AVI and MP4

That’s all to convert MP4 to AVI on your computer or mobile phone. You can use online and offline tools to change video format to AVI from MP4. All those video converters are free and safe to use. So you can feel free to convert MP4 files to AVI format. Do you have any other questions about MP4 to AVI conversion? You can feel free to contact us or leave messages in the comments below.