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....
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Supports: MP4 files
Max: 100MB (free) · 2GB (Pro)
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How to Convert
Upload your .mp4 file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .avi file when it's ready.
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
- Create compatible files for older DVD players
- Interface with industrial video equipment
- Support vintage hardware with limited format support
- Import into older Windows applications
- Create video mods for classic games
How It Works
Our converter outputs AVI with DivX/XviD compatible MPEG-4 Part 2 video and MP3 audio—the most widely compatible AVI configuration. For systems requiring specific codecs, we support additional options including MJPEG (for editing workflows) and uncompressed (for maximum quality).
Frame rates, resolutions, and aspect ratios preserve from the source MP4. Subtitle streams can embed as AVI's limited subtitle support allows. Chapter markers don't transfer as AVI lacks chapter support.
Quality & Performance
MP4 to AVI involves transcoding between codecs. Our high-quality settings (CRF equivalent of 18-20) produce excellent results. File sizes are typically larger than the source MP4 since AVI's older codecs are less efficient than H.264.
Bridge the gap between modern MP4 content and legacy systems with our AVI converter. Create compatible files that work with older software and hardware without sacrificing quality.