MP4 to AVI Converter

Convert MP4 to AVI Online for Free

How to Convert MP4 to AVI?

AhaConvert makes it easy for you to convert MP4 videos to AVI format. AVI is a long-standing video file format. It’s often required for older media players, editing software, DVD authoring tools, and other legacy devices that are not fully MP4-compatible. There is no need to download extra software or register an account. AhaConvert converts right in any browser on Windows, macOS, Android, and iPhone. Just follow the steps below to start your conversion.

Upload MP4 Video

Upload your MP4 video file from a local device.

Select AVI Format

Select AVI as the target video format.

Download AVI File

Download and save the AVI video file once the conversion is complete.

Supported Video Converters

AVI converters

Apart from MP4, AhaConvert supports transforming various other video and audio formats to AVI. Browse the specific AVI converters listed below.

MKV to AVI

MOV to AVI

GIF to AVI

WebM to AVI

WMV to AVI

VOB to AVI

FLV to AVI

MPG to AVI

Video to AVI

SWF to AVI

TS to AVI

3GP to AVI

M4V to AVI

RMVB to AVI

MOD to AVI

MXF to AVI

M2TS to AVI

OGG to AVI

DVR to AVI

DV to AVI

WTV to AVI

3G2 to AVI

RM to AVI

MTS to AVI

MP4 converters

Besides converting MP4 to AVI, AhaConvert also supports MP4 conversion to many other video formats. Check out the MP4 to video converters listed below.

MP4 to MP3

MP4 to GIF

MP4 to WAV

MP4 to MOV

MP4 to WebM

MP4 to Video

MP4 to WMV

MP4 to OGG

MP4 to MKV

MP4 to M4A

MP4 to Audio

MP4 to 3GP

MP4 to MPG

MP4 to FLV

MP4 to FLAC

MP4 to M4V

MP4 to VOB

MP4 to AAC

MP4 to OPUS

MP4 to MP2

MP4 to TS

MP4 to M4R

MP4 to SWF

MP4 to WMA

MP4 to AIFF

MP4 to MXF

MP4 to AMR

MP4 to RMVB

MP4 to 3G2

MP4 to M4B

MP4 to M2TS

MP4 to DVR

MP4 to ALAC

MP4 to RM

MP4 to DV

MP4 to MOD

MP4 to WTV

MP4 to AIF

MP4 to OGA

MP4 to CAF

MP4 to MTS

MP4 to 3GA

MP4 to AIFC

Frequently Asked Questions

You would consider converting an MP4 file to AVI when you need your video to work with older devices or video software that are not compatible with MP4 natively. While MP4 is the modern standard, many outdated systems and offline players only recognize formats like AVI, WMV, or MPG.

For example, older versions of Windows Movie Maker, VirtualDub, Sony Vegas Pro, or Adobe Premiere (CS-era) work better with AVI. Some TVs, DVD players, retro consoles, car media systems, and industrial displays only accept AVI from a USB drive. Also, AVI files are often required for screen recording tools, Kiosk systems, and PC-based video loop setups.

Once you have converted your MP4 file to AVI, you can play it in most Windows video players, including Windows Media Player, VLC, and PotPlayer.

If you’re using macOS, you will need a third-party player like VLC or Elmedia Player, because QuickTime does not natively support AVI. The converted AVI file will work normally in supported players across Windows, Linux, Android, and older hardware systems.

In most cases, yes. But AVI may not be able to store the MP4’s modern compression efficiently, especially when re-encoding from codecs like H.264 or HEVC. AVI is a very old container. It doesn’t support newer codec features without additional handling, including B-frames, variable framerate, and modern audio types (AAC).

As a result, the video will usually look almost the same, but converting MP4 to AVI may indeed slightly increase file size or cause minor softening or color loss if a lower bitrate is used. To minimize this:

  • Keep the same resolution and frame rate during conversion
  • Use a sufficiently high bitrate (e.g., >4000 kbps for 1080p)
  • Avoid downscaling unless required

Yes. AhaConvert lets you convert MP4 to AVI completely free in your browser. There is no signup, no subscription, and no hidden watermarks for simple conversions.

For the audio, the answer is not always. AVI supports fewer audio formats than MP4, so the original audio will usually be re-encoded during conversion. If the MP4 file uses AAC (the most common MP4 audio format), it will not be stored directly in the AVI container. The converter must transform the audio to something AVI supports, such as MP3 or PCM (uncompressed audio).  If the converter fails to handle this properly, the output AVI may have no sound. It’s a common issue. Therefore, even if the audio can be preserved, it may not stay in the same format after conversion.

For subtitles, the answer will be no. Subtitles embedded in an MP4 file will not transfer automatically to the AVI version because AVI does not natively support internal subtitle tracks. If subtitles are required, you must hardcode them during conversion (burning them visually into the video) or re-add them later in a subtitle or video editor.

AhaConvert is designed for quick and convenient online conversion, so it processes one MP4 file at a time. This keeps the MP4 to AVI process fast, stable, and fully browser-based. If you have multiple MP4 videos to convert, you can repeat the process for each file. Upload, convert, and download. All in just a few clicks.

Absolutely. All the video files, whether uploaded or downloaded, are kept safe during processing. We use 256-bit SSL encryption, store files in a secure cloud environment, and automatically delete them within 24 hours.

Explore More File Converters

File convert tools

Unable to find the format you need? AhaConvert also provides these free online file converters:

Video Format

Image Format

Audio Format

Document Format

Security and Privacy

At AhaConvert, your files are protected with enterprise-grade security. We use 256-bit SSL encryption during transfer, store your data in a secure cloud environment, and guarantee automatic deletion within 24 hours. We fully respect your privacy – we will not view or share your files under any circumstances. Make sure your files are protected at every step, from upload to conversion.

SSL encrypted transmission

Automatically deleted within 24 hours

Privacy protection

Secure cloud storage