Free MP4 to AVI Converter

Convert MP4 to AVI for free in your browser. Perfect for legacy systems and older software. Maintain compatibility with vintage equipment. No upload required - 100% private and secure.

What is MP4?

MP4 is the modern standard video format, using advanced compression to deliver high quality at small file sizes. While MP4 is supported by all modern devices, some older systems and specialized equipment may not support it.

What is AVI?

AVI (Audio Video Interleave) is a legacy video format from 1992 that's still used by some older Windows software, vintage video editing systems, and specialized industrial equipment. AVI files are much larger than MP4 but are compatible with very old systems that don't support modern codecs.

Why convert MP4 to AVI?

Converting MP4 to AVI is necessary when working with legacy equipment or software that doesn't support MP4. Common use cases include: using old video editing software, playing videos on vintage computers or media players, working with specialized industrial or medical equipment, maintaining compatibility with archival systems, and supporting legacy business or educational technology.

Why Use Konverton for MP4 to AVI Conversion?

Format Conversion

Convert between MP4, WebM, AVI, MKV, MOV, and other video formats. Adjust video bitrate and quality for optimal results.

Quality Control

Adjust video bitrate from 500k to 8M for optimal quality and file size. Choose the perfect balance for your needs.

100% Private

All conversions happen in your browser. Your files never leave your device.

Batch Processing

Convert multiple video files at once with batch processing. Apply the same settings to all files for efficient workflow.

Technical Specifications

MP4 Input:
  • Modern H.264/H.265 compression
  • Small file sizes
  • Universal modern support
  • Efficient streaming format
AVI Output:
  • Legacy format compatibility
  • Supports older codecs
  • Much larger file sizes
  • Works with vintage systems

Frequently Asked Questions