NBTExplorer

github.com

What it is

NBTExplorer is an open-source graphical editor for common NBT data sources, mainly intended for Minecraft game data.

From github.com's own pages, read 8 Oct 2026.

As github.com lists them, read 8 Oct 2026.

Data plate

Price: Free to use
Free plan: Yes
Free trial: No
Runs on: Linux, macOS, Windows
Open source: No
Website: github.com
Additional format support: Version 2.7.6 release notes describe deleting chunks from regions and limited read, update, and delete support for nonstandard short-array tags.
Chunk editing: Version 2.7.6 added the ability to delete chunks from regions.
Command-line tool: The project includes NBTUtil, a command-line utility to inspect and modify NBT data.
Command-line utility: The 2.7.0 release introduced NBTUtil.exe, a command-line utility for inspecting and modifying NBT data with a limited subset of the editor’s functionality.
Latest release: The releases page lists version 2.8.0 for Windows and says it adds support for NBT long array tags.
License: The project is licensed under the MIT License, which grants permission to use, copy, modify, distribute, sublicense, and sell copies subject to its conditions.
Limited tag support: Version 2.7.6 added limited support for nonstandard short-array tags used by some mods, with read, update, and delete support only.
Linux: The README says NBTExplorer is compatible with recent Mono runtimes, version 2.6 or later, and requires mono-core and mono-winforms or equivalent packages.
Checked: 8 Oct 2026

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