Click the "Select File" button above, and choose your DAT_MCR file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert DAT_MCR to another file type
To convert DAT_MCR McRegion files to another format, you need Minecraft or other Game software.
Convert a file to DAT_MCR
To convert other file formats to the "Minecraft Game Save" file type, you need software like Minecraft or a similar tool.
About DAT_MCR files
A .DAT_MCR file is a legacy world save or backup file used by older versions of Minecraft. It stores player environment chunks using the obsolete McRegion format. Originally introduced to reduce the number of individual chunk files on the hard drive, it consolidates game data into unified region files.
You can interact with these files using classic versions of Minecraft (specifically Beta 1.3 through 1.1) or NBT editing software like NBTExplorer. Under the hood, a .DAT_MCR file is structured using Named Binary Tag (NBT) architecture and compressed with GZIP to save space.
Users frequently struggle with .DAT_MCR files because they are entirely obsolete. Modern Minecraft engines transitioned to the Anvil (MCA) format years ago and can no longer natively read McRegion data. Furthermore, because it is a proprietary, compressed binary format, it appears as corrupted garbage if opened in a standard text editor. You cannot extract the block data without specialized chunk parsing tools.
The most practical conversion targets are MCA (the modern Anvil format) to make the world playable again, or NBT for manual data editing. Converting directly to 3D meshes (like OBJ) requires third-party mapping software and often results in missing block states.
This format is notoriously difficult to open or convert outside of the Minecraft ecosystem. Standard online file converters fail because they lack the complex logic required to decode NBT structures and translate block IDs. Our analysis engine can detect the underlying GZIP stream, inspect the internal metadata, and convert it if a supported data structure is recognized.
Convert.Guru analyzes your DAT_MCR file, detects the exact format, and lets you read the text inside.
If you want to convert DAT_MCR file to CSV, JSON, XML, YAML, YML, TOML, INI, CFG, CONF, DAT, DB or SQL, you can use Minecraft or similar software from the "Minecraft World Save Data" 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 DAT_MCR, try Minecraft or another comparable tool in the "Minecraft World Save Data" category.
The DAT_MCR 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 DAT_MCR converter.