Convert MP4 to AVI — Free Online Converter
Convert MP4 videos to AVI format. Perfect for legacy systems and older software. Free online converter with no watermark.
Conversion settings — add a file to adjust
About MP4 files
MP4 is today's standard video file. AVI is an older Microsoft container that some DVD players, car screens, older TVs and legacy software still need.
People convert MP4 to AVI when a device plays only DivX or Xvid style AVI files, or when old editing software cannot import H.264.
How we convert MP4 to AVI
- Video
- MPEG-4 Part 2 video at a fixed quantizer of 4, the codec family that DivX and Xvid players understand.
- Audio
- MP3 at variable bitrate quality 4.
- Resolution
- Kept from the MP4 unless you choose another size. Older players may need 480p or 720p.
Common problems and fixes
My DVD player will not play the AVI.
Many older players handle only standard definition. Set the resolution to 480p and convert again.
The AVI is larger than the MP4.
MPEG-4 Part 2 is less efficient than H.264. Lower the resolution to reduce the size.
The player shows no picture, only sound.
Check the player supports MPEG-4 Part 2 video (often labelled DivX or Xvid). If it does not, it may need an MPEG file instead.
About MP4 to AVI Conversion
While MP4 has become the modern standard, AVI (Audio Video Interleave) remains necessary for certain legacy systems, older video editing software, and specific hardware devices. Converting MP4 to AVI ensures compatibility with systems that haven't kept pace with format evolution.
Our MP4 to AVI converter creates properly formatted AVI files using codecs that maximize compatibility with older systems. Whether you're working with vintage editing software, burning DVDs for older players, or interfacing with industrial equipment, the conversion delivers files that work where MP4 won't.
Why Convert MP4 to AVI?
Legacy system compatibility drives most MP4 to AVI conversions. Older non-linear editing systems may only import AVI. Industrial and medical equipment often requires specific AVI variants. DVD authoring workflows sometimes prefer AVI input. Vintage video game modding communities use AVI.
Some Windows applications still expect AVI format specifically. Video players embedded in older software, PowerPoint versions before 2010, and various specialized applications handle AVI more reliably than MP4.
Hardware compatibility matters too. Certain digital photo frames, older car entertainment systems, and standalone DVD players work better with AVI than MP4, especially when firmware updates aren't available.
Common Use Cases
- Prepare videos for legacy editing software