Click the "Select File" button above, and choose your KWZ file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert KWZ to another file type
To convert KWZ animations to another format, you need Flipnote Studio 3D or other Video software.
Convert a file to KWZ
To convert other file formats to the "3D Animation Video" file type, you need software like Flipnote Studio 3D or a similar tool.
About KWZ files
The .KWZ file extension is almost exclusively a proprietary video file format created by Nintendo for Flipnote Studio 3D on the Nintendo 3DS console. It serves as the successor to the earlier PPM format, storing animated sketch frames using lossless block-based I-frame and P-frame video compression, stereoscopic 3D depth metadata, and up to four tracks of audio encoded in a custom ADPCM variant. In rare instances, .KWZ is also referenced in association with Kindle Word Wise data files or minor plugins for Krita.
Users heavily need to convert these files because the format is locked inside a closed, proprietary ecosystem. With the Nintendo 3DS eShop officially closed, obtaining the original software to view these files natively is incredibly difficult, and standard desktop video players and web browsers cannot natively decode the unique video compression. It is highly recommended to convert .KWZ animations to standard video formats like MP4 or AVI, or animated GIF images for easy web sharing. Note that converting to a standard 2D video format will inherently flatten and discard the original stereoscopic 3D depth effect.
This file format is exceptionally difficult to open or convert because of its unique, undocumented structure. Standard media converters will fail to parse the visual frames and often misinterpret the proprietary ADPCM audio stream, outputting loud, corrupted static noise instead of the intended sound. Often, only the original software can properly read or export the data. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.
Convert.Guru analyzes your KWZ file, detects the exact format, and lets you read the text inside.
If you want to convert KWZ file to MP4, AVI, MOV, WMV, FLV, WEBM, MKV, M4V, 3GP, OGV, ASF or RM, you can use Flipnote Studio 3D or similar software from the "3D Animation Storage" category. In the File menu, look for Save As… or Export….
To convert MTS, MOV, RMVB, DIVX, RM, H264, TS, WMV, VOB, MP4, XVID or AVI files to KWZ, try Flipnote Studio 3D or another comparable tool in the "3D Animation Storage" category.
The KWZ Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our KWZ converter.