Chunk X −1
Block X range −16 through −1.
COOKIE TOOLS · GUIDES
Minecraft Java Slime Chunk Finder
Find Java slime-qualified chunks with exact 64-bit seeds, signed chunk arithmetic and Java Random. Explore a bounded chunk map and export coordinates without querying a game server.
FreeNo sign-upBrowser-basedJava 1.21.11 data
Your result
Loading controls…How to use
- Enter an exact decimal seed or textual seed hash, a center chunk and map radius. Green cells qualify; tap a cell for world block bounds.
- Copy the checked result, download JSON for the full plan, or use the available CSV and PNG exports. Your input stays in this browser.
Examples
Seed 9223372036854775807
Preserved exactly as a signed 64-bit seed, without JavaScript number rounding.
Supported versions & limitations
Verified Java dataset: 1.21.11
- Java 1.21.11 only. Chunk qualification does not check height, mob caps or other spawn conditions. Bedrock uses different rules and is not supported.
- No Cookie SMP server, private player account, inventory or seed is queried.
Frequently asked questions
What assumptions apply to Minecraft Java Slime Chunk Finder?
Java 1.21.11 only. Chunk qualification does not check height, mob caps or other spawn conditions. Bedrock uses different rules and is not supported.
Does this page access my world?
No. Computation uses the data you provide and the local verified dataset; it does not connect to a game server.
Sources
Facts reviewed 2026-10-12. Supported scope and preview limitations are described above.
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