Convert AVI to MP4

Converting AVI videos to MP4 format is essential for universal device compatibility and web streaming. AVI files are legacy format with broad software support, while MP4 offers universal compatibility and wide device support. This conversion is commonly needed for older systems, Windows devices, archival to web streaming, mobile devices, social media.

Why Convert AVI to MP4?

MP4 dramatically reduces file sizes while maintaining quality. Essential for converting large legacy AVI files to modern, web-friendly formats for easier sharing and streaming. Our browser-based converter uses FFmpeg.wasm to handle this conversion without uploading files to any server, ensuring complete privacy and fast processing.

How to Convert AVI to MP4

Simply drag your AVI files into the upload zone, select MP4 as the output format, and click Convert. The tool processes videos locally using FFmpeg compiled to WebAssembly, maintaining quality while converting to MP4 format. Download individual files or get everything as a ZIP archive for batch conversions.