Convert AVI to MP4
Free online AVI to MP4 converter.
Choose a .avi file
or drag and drop it here
Max 200 MB for video · 100 MB for other files
How to convert AVI to MP4
- Click "Choose a .avi file" or drag and drop your AVI file into the upload area.
- Select your preferred quality level — high quality keeps the best fidelity, smaller file prioritizes file size.
- Your file uploads directly to our secure servers and conversion starts automatically.
- Once finished, click "Download" to save your converted MP4 file.
About AVI and MP4 formats
.avi format
AVI (Audio Video Interleave) is Microsoft's classic video container. It offers good quality but typically produces large files due to minimal compression.
.mp4 format
MP4 (MPEG-4 Part 14) is the most widely used video container format. It stores video, audio, subtitles, and metadata in a single file. Compatible with virtually all devices, browsers, and media players.
Privacy and security
Your files are encrypted during upload using 256-bit SSL and are automatically deleted from our servers within 24 hours. We never share, sell, or access your files. All conversions happen on isolated, ephemeral servers.