AVI to MP4 Converter

Key Features

• AVI to MP4: Modernize old video files to the universal MP4 format.
• Fix Playback: Makes your videos playable on iPhone, iPad, and Android.
• Smart Compression: Uses CRF 28 to reduce file size without losing visual 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 AVI file. Step 2: Ensure "MP4" 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 MP4 video.

Is this tool free?

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

Why Convert AVI to MP4?

AVI is an old format. Files are often huge and unplayable on Apple devices. Converting to MP4 saves space and fixes playback issues.

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.