AVI to MP4 Converter
Convert AVI videos to MP4 format online for free. No upload needed – runs 100% in your browser.
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How to Convert AVI to MP4
Upload your AVI file
Drag and drop or click to select a AVI video file from your device.
Confirm MP4 as output format
The output format is set to MP4. You can change it using the dropdown if needed.
Download your MP4 file
Click Convert and wait for processing. Once done, download your new MP4 video file instantly.
AVI to MP4 Use Cases
Play AVI files on any device
"Convert AVI videos to MP4 format for universal playback on smartphones, tablets, and smart TVs."
Share AVI videos online
"Convert AVI to MP4 for easier uploading to social media platforms and video hosting sites."
Edit AVI in video software
"Convert AVI files to MP4 for compatibility with popular video editing applications."
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AVI to MP4 — Frequently Asked Questions
?How do I convert AVI to MP4?
Simply upload your AVI file, confirm MP4 as the output format, and click Convert. The tool processes everything in your browser.
?Is the AVI to MP4 conversion free?
Yes, it is completely free with no sign-up, no watermarks, and no limits.
?Will converting AVI to MP4 lose quality?
We use high-quality encoding settings to preserve video quality during the AVI to MP4 conversion.
?How long does AVI to MP4 conversion take?
It depends on the file size. A typical 1-minute AVI video converts to MP4 in about 10-30 seconds.
?What is the maximum file size for AVI to MP4?
There is no hard limit. Very large AVI files (over 500MB) may take longer since processing happens in your browser.
?Is my AVI file uploaded to a server?
No. Your AVI file never leaves your device. All AVI to MP4 conversion happens locally using WebAssembly.
?Can I convert MP4 back to AVI?
Yes! We support all combinations. Simply use our MP4 to AVI converter page.
?Does the AVI to MP4 converter work on mobile?
Yes, it works on any modern browser including Chrome, Safari, Firefox on both desktop and mobile devices.