Extract text from GMM files
To convert your GMM file to another format, you need Scikit-learn or other Data software.
To convert other file formats to the "Machine Learning Model" file type, you need software like Scikit-learn or a similar tool.
The .gmm extension serves three distinct, incompatible technical ecosystems, creating significant confusion for users trying to open them.
Most commonly, a .gmm file is a serialized Gaussian Mixture Model created using the Python Scikit-learn library. These are essentially pickled Python objects storing statistical distribution parameters (means, covariances, and weights). The major downside here is version dependency: a model saved in one version of Scikit-learn or Python often fails to load in another due to changes in the internal object structure. Furthermore, these files are binary and opaque - you cannot inspect the model parameters in a text editor. To make these models portable for deployment or visualization, users typically need to convert them to interoperable formats like ONNX, PMML, or extract the parameters to JSON or CSV.
In industrial settings, a .gmm file is a CNC program used by Denford VR Milling software. These files contain toolpath instructions specific to Denford's educational machines. The proprietary nature of this format effectively locks you into the Denford ecosystem; if you need to run the program on a standard industrial controller (like Fanuc or Haas) or view it in a generic simulator, you must convert the proprietary code into standard G-Code (frames typically saved as NC or GCODE).
Finally, in the gaming/modding community, .gmm stands for Game Message Markup. These files, notably used in Pokémon titles by Game Freak, store localization text and dialogue strings. While structurally similar to XML, they often use custom binary headers or proprietary markup tags that standard XML parsers reject. Modders and translators convert these to TXT, CSV, or standard XML to edit game text without breaking the game's engine.
Convert.Guru analyzes your GMM file, detects the exact format, and lets you read the text inside.
Users also converted EBK, FMS, FSP and GCM files.
If you want to convert GMM file to GCM, CSV, JSON, XML, YAML, YML, TOML, INI, CFG, CONF, DAT or DB, you can use Scikit-learn or similar software from the "Statistical Model Storage" category. In the File menu, look for Save As… or Export….
To convert DBF, XML, SQLITE, XLSX, SQL, TSV, ACCDB, YAML, MDB, CSV, ODS or JSON files to GMM, try Scikit-learn or another comparable tool in the "Statistical Model Storage" category.
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 GMM converter.