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Seed Atlas
What it is
Seed Atlas is a free map viewer and seed-search tool for Minecraft on Linux, macOS, and Windows. Select a Minecraft version, enter a seed, and explore the generated map or search a chosen area. It covers biomes and structures in the Overworld, Nether, and End, including slime-chunk searches. Searches can use all available CPU threads, combine multiple conditions, and apply Lua filters. Session files let users save searches and resume them later. The README says support extends through Minecraft releases up to 26.3. Seed Atlas is licensed under GNU GPLv3 and is based on cubiomes-viewer by Cubitect. The project states that it is not an official Minecraft product and has no association with Mojang or Microsoft. Release notes say it works on M-Series Macs and should work on Intel Macs, although Intel compatibility has not been tested by the maker. The Windows installer is unsigned and may trigger a Windows Defender warning.
For and against
For
- Explores all three Minecraft dimensions
- Searches biomes, structures, and slime chunks
- Uses available CPU threads
- Lua filters support advanced conditions
- Sessions can be saved and resumed
Against
- Windows installer is unsigned
- Intel Mac compatibility is untested
- Not affiliated with Mojang or Microsoft
- Supports releases only through 26.3
The verdict
Seed Atlas offers detailed map exploration and configurable seed searches with resumable sessions. Users should note the unsigned Windows installer and the maker’s untested Intel Mac support.
Who it suits
Seed Atlas suits Minecraft players who search seeds for particular biomes, structures, or slime chunks. It is aimed at desktop users comfortable with unsigned installers or community software.
On the record
- Advanced search
- Seed searches can combine conditions and use Lua filters.github.com · read 9 Oct 2026
- Advanced searches
- Users can combine search conditions and apply Lua filters.github.com · read 9 Oct 2026
- Compatibility notice
- The project says Seed Atlas is not an official Minecraft product and is not associated with Mojang or Microsoft.github.com · read 9 Oct 2026
- Dimensions
- It can explore biomes and structures in the Overworld, Nether, and End.github.com · read 9 Oct 2026
- How to use
- Users select a Minecraft version, enter a seed, then explore the map or search a selected area.github.com · read 9 Oct 2026
- License
- Seed Atlas is licensed under GNU GPLv3.github.com · read 9 Oct 2026
- macOS compatibility
- The release notes say Seed Atlas works on M-Series Macs and should work on Intel Macs, which the author says they have not tested.github.com · read 9 Oct 2026
- macOS support
- The release notes say Seed Atlas works on M-series Macs and should work on Intel Macs, which the maker had not tested.github.com · read 9 Oct 2026
- Minecraft affiliation
- The README says Seed Atlas is not an official Minecraft product and is not associated with Mojang or Microsoft.github.com · read 9 Oct 2026
- Minecraft versions
- The README says Seed Atlas supports Minecraft releases through 26.3.github.com · read 9 Oct 2026
- Origin
- Seed Atlas is based on cubiomes-viewer by Cubitect.github.com · read 9 Oct 2026
- Performance
- Searches can use all available CPU threads.github.com · read 9 Oct 2026
- Product
- Seed Atlas is a fast map viewer and seed-finding tool for Minecraft.github.com · read 9 Oct 2026
- Saved searches
- Searches can be saved and resumed with session files.github.com · read 9 Oct 2026
- Saved sessions
- Searches can be saved and resumed with session files.github.com · read 9 Oct 2026
- Search
- It can search large areas for biomes, structures, and slime chunks.github.com · read 9 Oct 2026
- Search speed
- Searches can use all available CPU threads.github.com · read 9 Oct 2026
- Support
- The release notes direct users to the maker's Discord for further support.github.com · read 9 Oct 2026
