AVI to MP4
Convert AVI video to modern MP4 with codec, quality, and resolution controls.
No watermarkFree & unlimited
Processed on our servers and deleted right after. Never stored or shared.
About this tool
- 1
Upload AVI File
Select an AVI video file from your device to convert.
- 2
Choose Quality
Select the output video quality or bitrate for the MP4 encoding.
- 3
Set Resolution
Optionally change the output resolution or keep the original dimensions.
- 4
Convert & Download
Click convert and download the MP4 file when processing is complete.
- AVI files are often very large; MP4 conversion can reduce file size by 50-80% with minimal quality loss.
- Keep the original resolution unless you specifically need a smaller video.
- Use CRF (Constant Rate Factor) quality mode for the best balance of size and quality.
- Large AVI files may take several minutes to convert depending on your device speed.
- Converts AVI video to widely compatible MP4 (H.264) format
- Adjustable output quality and bitrate settings
- Optional resolution scaling (720p, 1080p, or custom)
- Preserves audio track during conversion
- Handles common AVI codecs including DivX, Xvid, and MJPEG
- Converting old AVI home videos to MP4 for modern device playback
- Reducing large AVI file sizes for easier sharing and storage
- Making AVI files playable on smartphones and tablets that only support MP4
- Uploading legacy AVI content to streaming platforms that require MP4
MP4 is universally supported on all modern devices and browsers, while AVI often requires specific codecs. MP4 also offers better compression, resulting in smaller files.
Some quality loss occurs during re-encoding, but at high quality settings it is virtually unnoticeable. The file size reduction is usually significant.
Yes, but processing time depends on file size and your device. Files over 1 GB may take several minutes. Ensure your browser tab stays active during conversion.