MP4 to AVI
Convert MP4 videos to AVI format for compatibility with older devices, legacy video editing software, and hardware players that require AVI. Uses FFmpeg WebAssembly for reliable in-browser conversion. No signup required.
Updated June 2026
- 1Upload your MP4 video
- 2Conversion runs instantly
- 3Download your AVI file
Drop your video anywhere, click to browse
MP4, MOV, AVI, MKV, WebM, FLV, WMV, VOB
How to Use MP4 to AVI
- 1
Upload your MP4 video
Drag and drop your MP4 file into the upload area, or click to browse and select it from your device. Nothing is sent to a server.
- 2
Conversion runs instantly
ToolBubble converts the video to AVI directly in your browser — no waiting in an upload queue.
- 3
Download your AVI file
Once processing finishes, the converted AVI file downloads automatically to your device.
Frequently Asked Questions
Why would I convert MP4 to AVI?▼
What codec is used for the AVI output?▼
Is the video quality maintained?▼
Will the AVI file be larger than the MP4?▼
Is the conversion done in the browser?▼
How to use MP4 to AVI
- 1
Upload your MP4 video
Drag and drop your MP4 file into the upload area, or click to browse and select it from your device. Nothing is sent to a server.
- 2
Conversion runs instantly
ToolBubble converts the video to AVI directly in your browser — no waiting in an upload queue.
- 3
Download your AVI file
Once processing finishes, the converted AVI file downloads automatically to your device.
Frequently asked questions
Everything you need to know about mp4 to avi.
Explore more category tools
Convert, optimize and organize your files with our full collection of free tools.