KMT Converter

Extract text from Kart mission tables (KMT)


Drop or upload your .KMT file
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How to extract text from your KMT file

  1. Click the "Select File" button above, and choose your KMT file.
  2. You’ll see a preview, if available.
  3. Click the "Convert file to..." button to extract text information.

Convert KMT to another file type

To convert KMT Mission tables to another format, you need Mario Kart Wii or other Game software.

Convert a file to KMT

To convert other file formats to the "Nintendo Wii Game Data" file type, you need software like Mario Kart Wii or a similar tool.


About KMT files

The .kmt file is a proprietary game data file that stores Mario Kart Wii Kart Mission Table data. Developed by Nintendo, these files define specific parameters for game missions, such as AI behavior, time limits, required karts, and starting positions on the track. They are extensively used within the Mario Kart Wii modding community to create custom offline and online challenges. The primary disadvantage of the .kmt format is that it is a compiled, proprietary binary file. It requires specialized community-built modding tools to open or edit. You cannot open it natively in Windows, macOS, or standard text editors. This creates a steep learning curve and limits accessibility. When modding, users often need to convert .kmt files into human-readable formats like .TXT, .JSON, or .XML to safely edit mission values before recompiling them. Converting to text-based formats exposes the raw parameters but loses the game's immediate ability to execute the file until it is converted back into a valid .kmt binary. Because .kmt is a closed ecosystem format, standard online converters fail completely when attempting to process it. Only original SDK tools or highly specialized community parsers understand the byte structure. If our system detects embedded strings or recognized hex patterns, you can inspect the internal content directly in your browser.

Convert.Guru analyzes your KMT file, detects the exact format, and lets you read the text inside.

Users also converted KML files.


FAQ

If you want to convert KMT file to , you can use Mario Kart Wii or similar software from the "Mario Kart Wii Mission Data" category. In the File menu, look for Save As… or Export….

To convert files to KMT, try Mario Kart Wii or another comparable tool in the "Mario Kart Wii Mission Data" category.



The KMT 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 KMT converter.