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Project Lodestone
What it is
Project Lodestone is a free, open-source toolset for editing and converting Minecraft worlds across Java, Bedrock, console, and other editions. It has desktop and web interfaces, while libLodestone provides file reading, writing, and conversion for many editions and versions. Documentation lists Java, Bedrock, Raspberry Pi, Xbox 360, PlayStation 3 and 4, PlayStation Vita, Wii U, 3DS, Switch, and Classic Javascript Remake. Planned save editing covers player, region, chunk, and level data. Planned conversion spans editions and versions, with depth fixing and lighting recalculation options. The format editor roadmap names NBT, S-NBT, MCR/MCA, MCS, ARC, LOC, PCK, FUI, CDB, and VDB; supported world formats also include GRF and COL. Other planned tools include biome, entity, block entity, hex, LevelDB, datapack, and map item editors. The project remains in development: some converter versions are unavailable in the app, and many listed versions are expected support rather than completed work. It is not an official Microsoft, Minecraft, or Mojang Studios product.
For and against
For
- Free and open-source
- Desktop and web interfaces
- Broad documented edition coverage
- Many world formats are listed
- Community participation through Discord and pull requests
Against
- Project is still in development
- Some converter versions are unavailable
- Many supported versions are only expected support
- Not an official Minecraft product
The verdict
Project Lodestone presents an extensive open-source scope for Minecraft world editing and conversion. Its unfinished roadmap and incomplete converter availability make current capabilities less certain than the documented plans.
Who it suits
It suits Minecraft users and contributors interested in cross-edition world files, conversion, or planned editing tools. Users should be comfortable with an in-development project and its community Discord.
On the record
- App interface
- The App repository describes its software as a desktop and web UI frontend for Project Lodestone.github.com · read 8 Oct 2026
- Availability
- The App repository describes Lodestone as having a desktop and web UI frontend.github.com · read 4 Oct 2026
- Community formats
- The documentation says support for community-made converters and readers may be considered, but is not the main focus at this time.team-lodestone.github.io · read 8 Oct 2026
- Community support
- The project documentation invites users to join its Discord server for community involvement.team-lodestone.github.io · read 4 Oct 2026
- Conversion status
- The App repository roadmap describes loading and exporting worlds, levels, regions, and chunks as planned work for user-facing world conversion.github.com · read 8 Oct 2026
- Converters
- libLodestone lists converters for Java Edition, Legacy Console Edition, New Nintendo 3DS Edition, and classic.minecraft.net worlds.github.com · read 8 Oct 2026
- Current limitations
- The documentation says some listed converter versions are not yet available in the app and cautions that many supported versions are expected support rather than completed work.team-lodestone.github.io · read 4 Oct 2026
- Development status
- The documentation says Project Lodestone is still in development.team-lodestone.github.io · read 8 Oct 2026
- File formats
- The planned file format editor lists NBT, S-NBT, MCR/MCA, MCS, ARC, LOC, PCK, FUI, CDB, and VDB.team-lodestone.github.io · read 4 Oct 2026
- File handling
- libLodestone provides file type reading, file type writing, and world and format conversion for most Minecraft editions and versions.github.com · read 8 Oct 2026
- License
- The App repository lists an LGPL-3.0 license.github.com · read 8 Oct 2026
- Minecraft affiliation
- libLodestone states that Project Lodestone is not an official Microsoft, Minecraft, or Mojang Studios product.github.com · read 8 Oct 2026
- Other planned tools
- The roadmap lists a biome editor, entity and block entity editor, hex editor, LevelDB browser, datapack editor, and map item editor.team-lodestone.github.io · read 4 Oct 2026
- Purpose
- Project Lodestone is a toolset in development for editing and converting Minecraft worlds across editions, including current and legacy versions.team-lodestone.github.io · read 8 Oct 2026
- Save editing
- The roadmap includes editing player, region, chunk, and level data for several Minecraft editions.team-lodestone.github.io · read 4 Oct 2026
- Support and participation
- The documentation invites users to join the project's Discord and contribute through pull requests.team-lodestone.github.io · read 8 Oct 2026
- Supported editions
- The documentation lists Java, Bedrock, Raspberry Pi, Legacy Console, 3DS, and Classic Javascript Remake editions, among others.team-lodestone.github.io · read 8 Oct 2026
- World conversion
- The roadmap includes world conversion across editions and versions, with advanced options such as depth fixing and lighting recalculation.team-lodestone.github.io · read 4 Oct 2026
