NBTExplorer is a viewer and editor for Named Binary Tag data. It functions as a processor for the hierarchical binary tag files used within Minecraft save files and game configuration.
The tool enables the exploration and modification of game world settings, player data, and entity states. It supports reading and updating structured binary data across standard, uncompressed, and region-based file formats.
The project provides capabilities for binary tag deserialization and in-place modification. It handles data through buffered stream reading, zlib-based decompression, and region-file indexing to manage large binary datasets.