AVI→MP4Converter
Convert your AVI files to MP4 format instantly. Free, fast, and secure - your files never leave your browser.
↔ Convert MP4 to AVI insteadDrop file or click to browse
Max 100MB • Auto-deletes after 3 min
How to Convert AVI to MP4
Upload Your File
Drag & drop your AVI file or click to browse. Files up to 100MB are supported.
Convert
Click "Convert to MP4" and wait a few seconds for processing.
Download
Download your converted MP4 file instantly. No registration needed.
Why Convert AVI to MP4?
Converting AVI to MP4 ensures maximum compatibility across all devices, browsers, and social media platforms. MP4 is the universal video standard.
About AVI and MP4
What is AVI?
AVI (Audio Video Interleave) is Microsoft's multimedia container format. While older, AVI remains widely used due to its broad compatibility and support for various video and audio codecs.
What is MP4?
MP4 (MPEG-4 Part 14) is the most universally-supported video container format, compatible with virtually all devices, browsers, and platforms. It typically uses H.264 or H.265 video codecs.
Frequently Asked Questions
How do I convert AVI to MP4?
Upload your AVI file using the converter above, then click "Convert". Your file will be processed and you can download the converted MP4 file immediately. The entire process takes just seconds.
Is it free to convert AVI to MP4?
Yes, ModConvert is completely free to use. There are no hidden charges, no registration required, and no watermarks on your converted files.
Is my AVI file safe when converting?
Absolutely. Your files are processed securely and are never stored permanently on our servers. Files are automatically cleaned up after conversion to protect your privacy.
What is the maximum file size for AVI to MP4 conversion?
You can convert AVI files up to 100MB in size. This covers most common use cases for video files.
Can I convert multiple AVI files at once?
Yes, you can upload and convert multiple AVI files. Each file will be converted to MP4 format individually for the best quality results.