Convert AVI to MP4 Video Online Free
Modernize classic AVI camcorder recordings into high-efficiency MP4 video playable on any device.
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Your Privacy is Protected
- Your files are processed entirely in your browser
- No file upload — your video never leaves your device
- No account or registration required
- Files are not stored on any server
Convert AVI to MP4 Video Online Free
Older AVI files consume massive storage space. Converting to modern H.264 MP4 shrinks file size by up to 80%.
100% in-browser processing protects personal camcorder footage.
How to Use This Tool
- 1
Select your AVI file
Drop your file onto the upload box or click to browse. The file stays on your device — it is never uploaded to any server.
- 2
Choose conversion options
Customize output settings or quality bitrate if needed. All parameters are pre-configured for optimal results.
- 3
Process in your browser
Click Convert to run the conversion locally using high-performance client-side WebAssembly and modern web APIs.
- 4
Download MP4
Click Download to instantly save your converted MP4 file directly to your local storage.
Why MediaConvertKit is Faster & More Private
| Feature | MediaConvertKit | CloudConvert / Zamzar |
|---|---|---|
| File Processing | 100% In-Browser (Local) | Uploaded to Remote Server |
| Privacy & Confidentiality | Guaranteed Zero Exposure | Files Stored Temporarily |
| Upload & Download Wait | Zero (Direct RAM Access) | Minutes (Bandwidth Dependent) |
| Price & Daily Limits | 100% Free & Unlimited | Paid Credits / Queues |
Supported Formats
Input Formats
Output Format
Frequently Asked Questions
- Yes, legacy DivX, XviD, and raw AVI codecs are supported.
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