Explore Minecraft biomes, structures, and ores on an interactive map generated from a seed.
ChunkBase
ChunkBase offers apps for finding Minecraft world features, including its interactive seed map.
About ChunkBase
ChunkBase is a collection of web apps for Minecraft players who want to find and inspect world features. The central Seed Map app is an online map viewer that uses a world seed to locate biomes, structures, slime chunks and points of interest across the Overworld, Nether and End.
Key features
- Interactive Seed Map viewer for biomes, structures and slime chunks
- Seed Finder matches seeds by structures or biomes near spawn
- Finds seeds based on desired slime chunk locations
- Spawn Chunks Reader takes a level.dat file and returns spawn coordinates
- Superflat preset creator with customizable options, PC only
- Block Compendium lists blocks, including fire and enderman pickup properties
Best for: Minecraft players who want to locate biomes, structures and other features in a world, or search for seeds matching specific conditions.
Good for
- Covers Overworld, Nether and End features such as strongholds, bastions and end cities
- Separate specialized apps for seed finding, spawn chunks and slime chunks
- Seed Finder supports both Java and Bedrock editions
Watch out for
- Version support varies between apps
- The superflat preset app is only for PC
ChunkBase at a glance
- Website
- chunkbase.com/apps
- Category
- Gaming › Game Guides, Wikis & Tools
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
ChunkBase alternatives
Tools and sites you could use instead, ranked by how closely they match.
MCSeedMap displays Minecraft world seeds on an online map and helps locate structures and terrain features.
This online seed map previews Minecraft worlds using their seed values.
View Terraria worlds on an interactive map and locate blocks, ores, chest items, dungeons, and NPCs.
MineAtlas displays a Minecraft 1.8 seed map and identifies slime spawning areas.
Pocket Bard plays music and sound effects for tabletop role-playing sessions through an interactive audio tool.
Freemium
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ChunkBase FAQ
What do I need to use the Seed Map?
The Seed Map uses your map seed to display map features and points of interest in your Minecraft world.
Does the Seed Finder work with both Java and Bedrock?
Yes. It finds seeds matching conditions such as structures or biomes near spawn on Java or Bedrock, and can open them in the Seed Map.
How can I find my world's spawn chunks and coordinates?
The Spawn Chunks Reader accepts your level.dat file and reports your world's spawn chunks and coordinates.
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