Seed Map for Minecraft

1.21.4-Java /107868
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Seed and version

Latest
Old
Latest
Old
Latest
Old
Dimension:
Number:
107868
Hex:
000000000001A55C
Sister seeds:

Datapacks

Add a worldgen datapack:

This datapack mapper is a new experimental feature that may have inaccuracies or even crash, and it can be very slow for some more complex worldgen calculations. It only works with datapacks that use Minecraft's default multi-noise biome generator.

Some examples to try: Terralith, Tectonic, Continents, Litosphere

Map settings

Select Y to view underground biomes (Minecraft 1.18+). Sea level is at Y=62.

Markers

Seed finder

Biomes

What is mcseedmap.net?

An online Minecraft seed map viewer and seed finder that helps you locate biomes and structures and find the seeds you want.

It shows a browseable map for a given seed with biomes, terrain estimation, and structures like Villages and Ocean Monuments.

It also can be used to find seeds with specific biomes and structures within a given area.

FAQ

What is a seed?

A Minecraft world seed is a unique number or string of characters that is used to initialize the random generator when creating a new world in Minecraft. This seed determines the layout of terrain, structures, and other features in the world. The same seed generates the same world every time, allowing players to share seeds to explore the same world or create specific landscapes.

What is a seed map?

A Minecraft seed map is a visual representation of a Minecraft world generated using a specific seed. It shows the layout of terrain, biomes, structures, and other features of the world, allowing players to preview what the world will look like before actually creating it in the game. Seed maps can help players choose interesting or desirable worlds to explore or build in.

How accurate is it?

Biomes are pretty accurate. Note that the actual shorelines of rivers and oceans do not follow biome boundaries exactly.
Structure positions are accurate to within a few blocks, but some structures may be missing, and there may be structures that are not generated in the game.
Java structure finding is more accurate than Bedrock because there is more information available about the algorithms.
Spawn positions can be completely wrong for some seeds. Java spawn estimation is more accurate than Bedrock.

Is it cheating?

While using a seed map can reveal the locations of biomes or structures like End Portals without the need for exploration or Ender Eyes, whether it's considered cheating is subjective and depends on the player's perspective. Some players enjoy the challenge of finding structures through exploration, while others prefer to use tools like seed maps for convenience. Ultimately, it's up to each player to decide what they consider fair or enjoyable in their gameplay experience.

Are Java and Bedrock seeds the same?

Since Minecraft version 1.18, seeds generate the same terrain and biomes on Java and Bedrock editions, but trees, grass and structures will be different.

Why is the map not loading?

The site uses modern technologies such as WebAssembly, which are not supported by older browsers. Check that you have updated your browser to the latest version.

Pro tip! If you are more serious about seeds, need high performance and advanced seed finding features, the open source Cubiomes Viewer desktop app is for you.

News

2024-12-07

  • Updated to Java 1.21.4 and Bedrock 1.21.50 (Pale Garden)
  • Added support for datapacks with custom world height (try JJThunder To The Max)
  • Added support for datapacks with version overlays

2024-10-26

  • Added experimental support for Java worldgen datapacks
  • Improved, visually more distinguishable biome highlighter

2024-10-07

  • Added the Winter Drop experimental version with Pale Garden biome for Java (select 1.21.3 EXP version from the list)

2024-07-18

  • Added Nether and End dimensions for Java and Bedrock
  • Added Nether structures for Java and Bedrock
  • Added End structures for Java
  • Added Overworld structures for Bedrock 1.16 & 1.17

2024-06-13

  • Updated to Minecraft 1.21
  • Villages are marked by a green icon if it is a zombie village (Java only)

2024-06-05

  • Updated cubiomes library to the latest version
  • More accurate 1.21 Trial Chambers

2024-05-31

  • Added Java 1.21 preview version
  • Updated 1.21 Trial Chambers for Java 24w21a and Bedrock 1.21.10.20 (Trial Chambers are less likely to generate in the Deep Dark)

2024-05-29

  • Terrain estimation is available at higher zoom-out levels.
  • Improved structure marker calculation speed.
  • Improved page load speed.
  • Added biome sample images and Minecraft Wiki links to the right-click menu.
  • Added Portuguese (Brazilian) to site languages.
  • Added Hindi to Minecraft languages.

2024-05-03

  • Added high resolution terrain rendering

Credits

mcseedmap.net is created by Balázs Farkas ("megasys").

Biomes and structures are calculated from seed using the cubiomes library created by Cubitect and other contributors.

Map colors are from cubiomes, inspired by Amidst.

The browseable map is displayed using OpenLayers.

Translations were made with ChatGPT 3.5, with some human review where possible.

Open source libraries used:

mcseedmap.net is not an official Minecraft service, and not approved by or associated with Mojang or Microsoft.

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