MP4 to AVI Offline Converter
Convert MP4 videos to AVI format completely offline in your browser
Loading Video Processing Engine
This tool uses FFmpeg.wasm for video processing. The first time you use it, it will download the processing engine (~25MB). This only happens once and enables powerful offline video conversion.
Drop your MP4 videos here
or click to select MP4 files
Converted Videos
Wide Compatibility
Windows Compatible
Works perfectly with Windows Media Player and other legacy systems.
Video Editors
Compatible with older video editing software that prefers AVI format.
Legacy Support
Perfect for archiving or playing on systems that require AVI files.
Frequently Asked Questions
What is AVI format?
AVI (Audio Video Interleave) is an older video format that was commonly used on Windows systems. It's still used for legacy systems and certain applications.
Why would I need to convert to AVI?
Some older software, media players, and devices only support AVI format. Converting to AVI ensures compatibility with these systems.
How long does conversion take?
AVI conversion requires re-encoding. Time depends on file size and device performance, typically 2-10 minutes per file.