MP4 to AVI Converter

Key Features

• MP4 to AVI: Convert modern MP4 videos to the reliable AVI format.
• Legacy Playback: Makes videos playable on old DVD players and car systems.
• Smart Compression: Uses CRF 28 to reduce file size without losing quality.
• Client-Side Privacy: Videos are processed in your browser and never uploaded.
• Crash Protection: Safe limits prevent browser crashes on mobile devices.
• No Watermark: 100% free for personal and commercial use.

How do I use it?

It's simple: Step 1: Upload your MP4 file. Step 2: Ensure "AVI" is selected. Step 3: Click "Convert Video" to start the process instantly.

How do I download?

Once the conversion is finished, a preview will appear automatically. Simply click the green Download File button to save the AVI video.

Is this tool free?

Yes, this tool is 100% Free. There are no limits on the number of MP4 videos you can convert. No sign-up required.

Why Convert MP4 to AVI?

While MP4 is universal, many older devices (TVs, DVD players, In-Car Entertainment) only support AVI (Audio Video Interleave).

Privacy & Security

Your privacy is our priority. Since this tool runs Client-Side (WASM in your browser), your personal videos are never uploaded to our servers.