Free Online Converter
Convert MP4 to AVI
Free online MPEG-4 Part 14 to Audio Video Interleave converter. Fast, secure processing directly in your browser.
How to Convert MP4 to AVI
- Click or drag your MP4 file into the upload area above
- Wait for the file to be loaded (happens instantly in your browser)
- Click the "Convert File" button
- Your processed AVI file will automatically download
Why Convert MP4 to AVI?
Key Features
100% FreeNo subscription, no hidden fees, no limits
Privacy FirstFiles never leave your device
Fast ProcessingInstant browser-based conversion
No InstallationWorks directly in your browser
High QualityMaintains quality during conversion
SecureClient-side processing only
About MP4 and AVI Formats
MP4 (MPEG-4 Part 14)
MP4 is the most widely supported video format, offering excellent compression and quality. Compatible with virtually all devices and platforms.
AVI (Audio Video Interleave)
AVI (Audio Video Interleave) is a multimedia container format from Microsoft. Supports various codecs but results in larger file sizes.