seedlookout
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Look up any Minecraft seed

See its biomes and structures on the Java and Bedrock seed map, or browse the seeds we checked in the game.

What's new

  1. Oct 6, 2026Structure finders: start from spawn or your coordinates

    Choose the start point next to the seed, and open the help button to find your world's seed in Java or Bedrock.

  2. Oct 4, 2026SeedLookout in six more languages

    繁體中文(台灣)EspañolPortuguês (Brasil)DeutschFrançais日本語한국어Polski

  3. Oct 3, 2026Java 26.3 ore finder measurements

    Every sampled diamond and ancient debris origin matched the game; some nearby windows held no ore.

  4. Oct 3, 2026Seed experience calculator

    Compare the modeled biome families and structure types near spawn in Java or Bedrock.

  5. Oct 3, 2026Guide to Nether and End seed search

    Combine Overworld, Nether and End conditions in one search.

Our research

Our pages rest on our own checks: seeds visited in the game, and measurements of how closely our seed map and finders match it. The research page gives each study's method, sample, date and limits.

Before you open a seed

A seed gives the same world only with the same edition, generation version and world settings. Java and Bedrock can share a seed's terrain and biomes and still put its structures in different places, and chunks first generated in an older version keep that version's terrain after an update. Every seed page here names its edition and version.

  • In Java, type /seed in chat; on a server you may need operator permission.
  • In Bedrock, the seed is shown in the world's settings, which you open from the world list.
  • World save data also holds the seed. For Java 26.1 and later, open data/minecraft/world_gen_settings.dat; for older Java versions and Bedrock, open level.dat. Read your world data on the tools page reads the seed and any included spawn or version data on your device.

What “Verified in game” means here

Our tools predicted where each listed structure and biome would be. The verifier then generated the seed in that exact game release and recorded what was there, and a person visited each location in the game before the page was published. The check covers those locations in that edition and version, not loot, the spawn point or other versions. How we check seeds

The seed map, seed finder and world tools run in your browser. The map and finder cover Java and Bedrock, and some tools are Java only. Their results are model predictions unless a page says they were checked in game.

Which tool to use

  • Use the seed map when you already have a seed. Enter it with its edition and version to see biomes, predicted structures and slime chunks in the Overworld, Nether and End, then point at the map for coordinates.
  • Use the seed finder when you want a new seed. Describe what you want, such as a village near spawn or several biomes close together, and it tests seeds one after another with the generation model, listing matches you can open on the map.
  • Use a structure finder when you want the nearest structure of one type, such as an ancient city, trial chamber or stronghold. It lists the closest ones to world spawn or to your own coordinates, with distance and direction.
  • Browse the seed catalogue if you would rather start from a world we have already checked. Filter by version, structures and biomes, then copy the seed from its page.
  • Read the structure guides for how each structure generates, where to look for it and checked examples.