How to Convert AVI to MP4
AVI is an old but common container that many modern devices struggle with. Converting to MP4 makes those videos play smoothly everywhere. This guide shows you how to convert AVI to MP4.
Convert Convert AVI to MP4 now — free and online.
Open the ConverterQuick Answer
Open the Easy Converter AVI to MP4 tool, upload your AVI, choose MP4, start the conversion, and download the result. It runs in your browser.
What Is an AVI File?
AVI (Audio Video Interleave) is a long-standing Windows container. It can hold many codecs, but newer phones, browsers, and editors often handle it poorly compared to MP4.
Why Convert AVI to MP4?
- Broad compatibility with modern devices
- Smaller, more efficient files
- Easier sharing and uploading
How to Convert AVI to MP4
Upload your file
Open the AVI to MP4 Converter and select your AVI.
Select MP4
MP4 is the output, typically H.264 video with AAC audio.
Start conversion
Press "Convert". The video is processed locally in your browser.
Download the result
Save the MP4 or share it.
Ready to convert your file? Open the AVI to MP4 Converter.
Quality and Size Tips
- Keep the original resolution.
- Use H.264 for universal playback.
- AVI files are often large; MP4 usually shrinks them with no visible quality loss at high settings.
Troubleshooting
No audio:
re-encode audio to AAC. Playback issues: confirm H.264 + AAC output. Large file: lower resolution or quality slightly.
Frequently Asked Questions
Does converting AVI to MP4 reduce quality?
At high settings, no visible loss.
Is it safe to convert online?
With a browser-based tool like Easy Converter, the video is processed on your device, so you are not uploading it to a server.
Will the MP4 be smaller?
Usually yes, because MP4 (H.264) is more efficient than typical AVI codecs.
Convert Your AVI File Now
Bring old AVI videos into the modern format. Open Easy Converter and convert to MP4 today.
Ready to convert? Open the AVI To MP4 Converter.
Start Converting