Convert AVI to MP4 Free — Online & Instant

Convert AVI to MP4 — Free Online

Fast, secure, no software needed.

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✅ Free • ⚡ Instant • 🔒 Secure • 💻 No install

How to Convert AVI to MP4

Converting .avi files to .mp4 is fast and simple with OpenAnyFile. AVI is a video format: AVI is a legacy video container format by Microsoft. MP4 is a video format: MP4 is the most widely used video container format.

Upload your .avi file to OpenAnyFile
Select MP4 (.mp4) as the target format
Click "Convert" and wait for processing
Download your converted .mp4 file

Why Convert AVI to MP4?

There are several reasons to convert from .avi to .mp4:

Compatibility: .mp4 may be more widely supported by software and devices
File size: Converting between formats can reduce file size for easier sharing
Editing: MP4 may offer better editing capabilities for your workflow
Sharing: Recipients may prefer .mp4 files for their daily use

About AVI Format

AVI is a legacy video container format by Microsoft. Category: Video. Extension: .avi. Created by: Microsoft.

About MP4 Format

MP4 is the most widely used video container format. Category: Video. Extension: .mp4. Created by: MPEG.

Frequently Asked Questions

How do I convert .avi to .mp4?

Upload your .avi file to OpenAnyFile, select MP4 as the target, and download the converted file.

Is AVI to MP4 conversion free?

OpenAnyFile offers free file analysis. Conversion may require a one-time payment depending on the file.

Will I lose quality converting .avi to .mp4?

OpenAnyFile preserves maximum quality during conversion. Some format-specific features may not transfer between different file types.

Can I convert .mp4 back to .avi?

Yes, you can convert .mp4 to .avi using OpenAnyFile as well.