Convert AVI to MP4 online for free. Perfect universal compatibility, modern device support, and superior compression for all your video conversion needs.
Drag & drop multiple files or click to browseTap to select or drag files here
Convert your AVI videos to MP4 format in 3 simple steps
Select your AVI video file or drag & drop it into the converter
Select universal-compatible codec, quality, and device-optimized options for your MP4 output
Start the AVI to MP4 conversion and download your universally-compatible video file
Universal compatibility and modern video advantages
Convert AVI to MP4 format for universal device support. MP4 works on smartphones, tablets, smart TVs, game consoles, web browsers, and virtually every modern device imaginable.
Convert large AVI files to efficient MP4 format with advanced H.264/H.265 compression. Reduce file sizes by up to 80% while maintaining excellent visual quality for storage and sharing.
MP4 format is optimized for web streaming, social media platforms, and online video sharing. Perfect progressive download and streaming capabilities ensure smooth playback across all platforms.
See what users say about our AVI to MP4 converter
"Converting old AVI files to MP4 has revolutionized my content workflow. Everything works seamlessly on mobile devices and social platforms now. The compression is incredible without losing quality."
"Our old training videos were in AVI format and wouldn't play on modern devices. This converter solved everything - now our content works everywhere with much smaller file sizes."
"Converting lecture recordings from AVI to MP4 made them accessible to all students on any device. The universal compatibility is exactly what online education needs."
"I had years of family videos in AVI format that wouldn't play on phones. Now everything is MP4 and I can share memories with family members easily. Amazing file size reduction too!"
Everything you need to know about AVI to MP4 conversion
Start converting your AVI videos to universally-compatible MP4 format
Free, fast, and modern AVI to MP4 video conversion