Convert AVI to MP4

Fast AVI to MP4 converter online easily converts AVI to MP4.

Convert Your Video
convert avi to mp4 online

How to convert AVI to MP4 free online?

upload avi file online

Step 1
Add AVI Files

Click the Choose Files button to upload AVI file(s).

convert avi to mp4 free

Step 2
Convert AVI to MP4

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

save the converted mp4 file

Step 3
Save the Converted MP4 Files

Click the Download button to save your converted MP4 file(s) locally or to Dropbox.

Information about AVI and MP4 file formats

File Extensions .avi AVI Converter
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 from Wikipedia What is an AVI file
File Extensions .mp4 MP4 Converter
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/), 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 from Wikipedia What is an MP4 file

People also ask about AVI to MP4

  • 1. Can Windows Media Player convert AVI to MP4?

    No, Windows Media Player can support playing AVI files instead of converting AVI to MP4. But you can choose to rip AVI to audio formats like MP3, WAV, etc. If not, you could also consider using our online AVI file to MP4 converter. You don't need to download any video converter software. Just with a web browser, you'll find it quite easy to turn AVI to MP4.

  • You could convert AVI to MP4 in several quick steps with VLC.
    1. Download, install and open VLC on your computer.
    2. Go to the top bar of VLC menu, and click Media > Convert > Save.
    3. In the Open Media window, click on Add to select AVI videos you want to convert. Click on the Convert/Save button at the bottom.
    4. In the Convert box, choose the target destination and the output format MP4 from the Profile option.
    5. Click Start to convert AVI to MP4 free.
    6. The converted video files are saved at your designated location.

  • As a matter of fact, Online UniConverter (Originally Media.io) support converting AVI files under 1GB as most online converters. If you want to convert large AVI files over 1GB, then Wondershare UniConverter desktop version should be better, which converts AVI files without any file size limitation. Additionally, it allows batch convert AVI file to MP4 in a fast manner.

  • AVI file is created by Microsoft and commonly used in video edit, old movies, TV shows, etc. But MP4 is more popular than AVI and can be compatible on more devices.
    Generally speaking, AVI file size is smaller than MP4. But to be exact, a video size is closely related to the resolution, bitrate, and quality.
    Pro tip: If you have successfully change AVI to MP4 yet still think it too large in size, then you could reduce video size on Video Compressor page.

How to convert AVI to MP4 on Windows/Mac

In case that you have multiple AVI video files and unable to play them on your portable players or mobile devices, you are suggested to free download a full-fledged AVI to MP4 software,
Wondershare UniConverter. It supports batch processing, video editing, converting, downloading and more.
Compared with Wondershare Online UniConverter, the desktop version allows batch conversion, and no size limitations.

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

Try It Free Buy Now
Try It Free
add avi files on windows mac
avi for mp4
avi to mp4 converter

Final Words: If you want to convert MP4 files to AVI, you can follow the similar steps listed above.
Considering the demand of batch conversion, removing internet restriction, or more MP4 output settings, the desktop-based UniConverter for Windows/Mac would be a better choice,
while for some relatively smaller AVI files, it'd be better use online AVI to MP4 converter.

Try It Free
Try It Free
AVI to MP4 conversion quality rating:
4.7 (162,357 Votes)
You have to convert and download at least 1 file to rate!
We've already converted xxx ,xxx ,xxx files with a total size of 10,124 TB