MP4 to AVI
Convert MP4 to AVI for legacy compatibility
How It Works
Select Your File
Upload, drag & drop, or paste directly from clipboard.
Configure Options
Set quality level and output format.
Download Result
Processed entirely in your browser. Download instantly.
About MP4 to AVI
Convert MP4 video files to AVI format entirely in your browser. While AVI is a legacy format, some older devices, industrial equipment, and legacy software systems only accept AVI input. This tool converts your modern MP4 files to AVI for compatibility with these systems. Note that AVI files are typically larger than MP4 at equivalent quality. The conversion uses FFmpeg running locally –your files never leave your device.
Frequently Asked Questions
Why would I need AVI?
Some legacy hardware and legacy software only accepts AVI files.
Will the file be larger?
Yes, typically 2-5x larger than the MP4 original. AVI uses less efficient compression.
Can I convert back to MP4?
Yes. Use the AVI to MP4 tool to convert back to the more efficient MP4 format.