AVI → MP4
Convert AVI to MP4
Live preview, visual trimming, and real-time settings.
Add videos
5 max • 300MB each
No videos yet
Select a video
Add videos and select one to see the preview
Related Converters
Also convert to MP4
About AVI to MP4 Conversion
AVI is a legacy video format from the 1990s that produces large files and lacks support on modern devices. Converting AVI to MP4 dramatically reduces file size and makes your videos compatible with any modern device, browser, or streaming platform.
How It Works
- Upload your AVI file
- Click Convert to modernize your video
- Download your MP4 file
Key Features
- Much smaller file size than AVI
- Works on all modern devices and browsers
- Preserves video and audio quality
- Free, no signup required
Frequently Asked Questions
- How much smaller will the MP4 be compared to AVI?
- Typically 60–80% smaller. AVI files are very large because they use minimal compression. A 1 GB AVI can become 200–400 MB as an MP4 with no noticeable quality difference.
- Will the video and audio quality be preserved?
- Yes — the conversion uses high-quality settings to ensure no noticeable visual or audio quality loss. The MP4 will look and sound identical to the AVI original.
- Can I upload MP4 to social media after conversion?
- Yes — MP4 is accepted by all social media platforms including YouTube, Instagram, TikTok, Facebook, and Twitter/X. AVI is not accepted by any of these platforms.
- Is the AVI to MP4 converter free to use?
- Yes, completely free. Upload your AVI file and download the MP4 in seconds. No registration, no watermarks, no limits.