MP4 to AVI
or drop files here
MP4 Format
MPEG-4 Part 14
Modern video container with efficient compression and universal compatibility
- Advanced compression algorithms
- Streaming-optimized structure
- Smaller file sizes
- Modern codec support
- Mobile device friendly
AVI Format
Audio Video Interleave
Microsoft's legacy video container format with broad Windows compatibility
- Excellent Windows compatibility
- Simple, stable format structure
- Works with older media players
- Larger file sizes
- Limited modern codec support
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Frequently Asked Questions
Everything you need to know about our converter
Why would I convert MP4 to AVI?
Will AVI files be larger than MP4?
Does converting to AVI reduce video quality?
Can all devices play AVI files?
How long does MP4 to AVI conversion take?
Is the conversion process secure?
Related Articles & Guides
Learn more about file conversion and best practices
Converting Modern Videos for Legacy Systems
Compatibility Guide
Learn how to convert MP4 videos to AVI format for older Windows systems, legacy media players, and devices that don't support modern video containers.
AVI Format: When Legacy Compatibility Matters
Historical Analysis
Understanding why AVI format remains relevant in 2025, exploring use cases where older video containers provide essential compatibility benefits.
Optimizing Video Quality in AVI Conversions
Quality Preservation
Best practices for maintaining video quality when converting from MP4 to AVI, including codec selection and encoding parameter optimization.
Changelog
Track the latest updates, improvements, and fixes to our tools
Launched MP4 to AVI converter with legacy optimization
Added support for older codec standards
Implemented quality preservation algorithms
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