Convert any AVI file to MP4 — free, private, entirely in your browser.
Click "Start Converting — Free" to launch the converter in your browser.
Drag and drop your AVI file or click to browse. Choose MP4 as the output format.
Conversion runs locally via WebAssembly. Download your MP4 file instantly.
Files never leave your device. AVI→MP4 conversion is 100% client-side.
No registration, no watermarks, no usage limits — ever.
Uses open-source FFmpeg compiled to WebAssembly for native-speed conversion.
Works in Chrome, Firefox, Edge, and Safari on desktop and mobile.
Convert multiple files using the built-in queue without reloading the page.
Yes. AnyConvert uses open-source FFmpeg via WebAssembly — no cost, no sign-up, no limits.
No. All conversion happens in your browser using WebAssembly. Your files never leave your device.
There is no server-side limit. The practical limit depends on your device's available memory — most files under 500 MB work fine.
MP4 is the universal video standard supported by every device, streaming platform, and video player. AVI has limited support on mobile and modern apps.
Quality depends on the conversion settings. For maximum quality, the converter uses settings that match the source video as closely as possible.
Open AnyConvert in your mobile browser, select your AVI file, choose MP4 as output, and download. No app needed.