AVI vs MP4: Legacy format vs modern standard. MP4 offers vastly better compression and universal compatibility compared to outdated AVI.
Percentage is applied to the original file size.
| Category | AVI | MP4 | Winner |
|---|---|---|---|
| File Size | Very large - inefficient | Small - efficient compression | MP4 |
| Compatibility | Limited to PCs | Universal - all devices | MP4 |
| Quality | Good but inefficient | Excellent with H.264/H.265 | MP4 |
| Streaming | Poor - not designed for streaming | Excellent | MP4 |
| Legacy Content | Common in old archives | Modern standard | AVI |
MP4 is generally better for most users, but both have their place depending on your needs.
MP4 is generally better for most users, but AVI has advantages in specific scenarios. Always convert AVI to MP4 for modern use.
The key differences are: File Size - AVI: Very large - inefficient, MP4: Small - efficient compression; Compatibility - AVI: Limited to PCs, MP4: Universal - all devices.
Yes! Upload your video in either format, select the output format you want, and compress. The conversion happens locally in your browser with no uploads.
For file size: MP4 is better. Small - efficient compression.