Why convert KWZ to AVI?
KWZ is Nintendo's proprietary animation format holding frames and audio for Flipnote Studio 3D. Because the format is locked to the app, exporting to a standard container like .avi is how people get a flipnote into an editor or share it off the console.
How to convert KWZ to AVI
Flipnote Studio 3D EASIEST
On the Nintendo 3DS, open the flipnote and choose the export/share option to save it as an .avi or .gif file.
kwz-parser (Python) OPEN-SOURCE
Use the Flipnote-Collective kwz-parser to decode frames and audio programmatically, then mux them into video with ffmpeg.
About these formats
A .kwz file is a flipnote animation made with Flipnote Studio 3D, Nintendo's free drawing and animation app for the Nintendo 3DS. It packs hand-drawn frames on three layers, optional…
Open .KWZ details →
.AVI
Audio Video Interleave
An AVI file is a video container created by Microsoft in 1992. To open one, use VLC media player - it includes the DivX/Xvid codecs old AVIs need and works on Windows, Mac, Linux, Android…
Open .AVI details →Quality & what to watch
- Flipnotes are low-resolution and typically monochrome or a few flat colors, so the AVI will look small and simple no matter the tool.
- The native 3DS AVI export is the only path that produces AVI directly; web tools output MP4/GIF, so reaching
.avithere needs an extra ffmpeg/HandBrake step. - The kwz-parser project is experimental/deprecated and may not perfectly reproduce every flipnote's timing or audio.
