Video ToolsFree

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

  1. 1Upload your MP4 video
  2. 2Conversion runs instantly
  3. 3Download your AVI file

Drop your video anywhere, click to browse

MP4, MOV, AVI, MKV, WebM, FLV, WMV, VOB

Ctrl+Vto paste a copied file

How to use MP4 to AVI

  1. 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. 2

    Conversion runs instantly

    ToolBubble converts the video to AVI directly in your browser — no waiting in an upload queue.

  3. 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.

Older DVD players, some video editing software (Premiere CS3, Vegas 8), and legacy hardware media players require AVI format and cannot open MP4 files.

Explore more free Video Tools

ToolBubble (Tool Bubble) has 29 free video tools that work in your browser, with no signup required.

All Video Tools
We read every message

Need help with MP4 to AVI?

Report an issue or suggest an improvement. Messages go straight to the people who build ToolBubble.

support@toolbubble.comContact page