How Can I Convert AVI to MP4 Free Online?

Step 1
Add AVI Files

Click the + icon or drag and drop to upload AVI file(s).

Step 2
Change AVI to MP4 Format

Select MP4 as the output format for added AVI file(s), and click on the CONVERT button.

Step 3
Download Converted Files

Click the DOWNLOAD button to save your converted MP4 file(s).

Information about AVI and MP4 File Formats

File Extensions .avi
Description AVI (Audio Video Interleave) is a digital multimedia container format developed by Microsoft in 1992 for its Video for Windows project. This file format saves both video and audio data in its container that supports synchronous audio-with-video playback. And like DVD format, AVI allows multiple audio and video streaming as well.
Associated Programs Apple QuickTime Player
VLC Media Player
Adobe Premier Pro 2020
Windows Media Player
Developed By Microsoft
MIME type vdeo/x-msvideo, video/avi
Useful Links About AVI format
Compress AVI file
AVI to GIF
File Extensions .mp4
Description MP4 (MPEG-4 Part 14) is a video container format based on QuickTime MOV. But unlike MOV, it adds support for other MPEG features. MP4 supports video (MPEG-4 Part 2 and MPEG-4 Part 10/H.264), audio (MP3, AAC, SLS, TTSI, and ALAC), and subtitles (MPEG-4 timed text). It’s this codec combination that gives MP4 its flexibility.
Associated Programs Windows Media Player
VLC Media Player
Apple QuickTime Player
5KPLayer
Developed By International Organization for Standardization
MIME Type video/mp4
Useful Links About MP4 format
MP4 compressor
MP4 editor

People Also Ask About AVI to MP4

Easy Steps to Convert AVI to MP4 on Windows/Mac

Have a number of AVI videos and unable to play them on your portable players or mobile devices? No need to worry as we have the best solutions to your problem. AVI files are large in size as they are less compressed in nature and thus difficult to open and play on a number of devices. To make these files compatible on more devices, you can convert AVI to MP4 with a professional tool such as Wondershare UniConverter. It supports batch processing, video editing, quality conversion and other features. Compared with Online UniConverter, the desktop version allows batch conversion and without size limitation.

Please firstly free download and install Wondershare UniConverter on your PC/Mac, and then follow the steps below to continue.

add avi files on windows mac
choose mp4 as target for avi
convert avi to mp4 on windows mac

If you want to convert MP4 files to AVI vice versa, you can follow the same steps list above. Considering the batch conversion, no internet request, and better quality, Wondershare UniConverter is the best AVI to MP4 converter for desktop. For small AVI files, you can choose Online UniConverter for free use.

online uniconverter
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