2026-11-01
- Interactive seed map viewer and seed finder launched for Minecraft Java and Bedrock editions.
- Multi-worker WebAssembly engine with terrain hillshading, underground biome sampling, and structure finders.
mcseedmap.dev
Seed Map for Minecraft
What is mcseedmap.dev?
An online Minecraft seed map viewer and seed finder that helps you locate biomes and structures, and find the seeds you want.
It displays a slippy map for a given seed with biomes, terrain estimation, and structures like villages and ocean monuments.
It can also be used to find seeds with specific biomes and structures within a given area.
FAQ
About Minecraft
What is a seed in Minecraft?
What is a seed in Minecraft?
A seed is a code (number or text) that Minecraft's world generator uses to create landscapes, biomes, caves and structures. The same seed generates the same world layout every time, allowing players to share worlds or find specific terrain.
Are Java and Bedrock seeds the same?
Are Java and Bedrock seeds the same?
Since Minecraft 1.18, Java and Bedrock share the exact same terrain elevation and biome distributions. However, structure generation, trees, and small details still differ between editions.
How do I find my seed in-game?
How do I find my seed in-game?
In Java Edition, type /seed in chat (cheats are not required in single-player). In Bedrock Edition, open the Game Settings menu and check the World Seed field.
About mcseedmap.dev
How does mcseedmap.dev generate maps?
How does mcseedmap.dev generate maps?
mcseedmap.dev runs the official cubiomes generation algorithms compiled directly to WebAssembly inside your browser. Map calculation is 100% client-side with no remote server lag.
Why don't structure coordinates match my game?
Why don't structure coordinates match my game?
Check that your selected Minecraft edition and version match your game world. Also confirm that large biomes mode is enabled or disabled to match your world creation settings.
Is this website safe and free?
Is this website safe and free?
Yes. mcseedmap.dev is completely free, does not require an account, and does not transmit your world seeds or private data to any remote server.
PRO TIPPress F to enter fullscreen mode on desktop. Click coordinates in the finder or map to copy them to your clipboard.
News
Supported Editions & Releases
- Java Edition: 26.3, 26.2, 1.21.4, 1.21.3, 1.21.1, 1.20.
- Bedrock Edition: 26.50 - 26.60, 26.30 - 26.45, 1.21.120 - 26.0, 1.21.90 - 1.21.114, 1.21.60 - 1.21.80, 1.21 - 1.21.50.
Credits
mcseedmap.dev is made possible by open-source projects including cubiomes (by Cubitect), Bedrockified, MCBEStructureFinder, Mantine, and OpenLayers.
- cubiomes by Cubitect and community contributors — High-performance C library for Minecraft biome and structure generation algorithms.
- Bedrockified by Earthcomputer — Research, reverse engineering, and documentation of Minecraft Bedrock Edition world generation.
- MCBEStructureFinder by xiaohengying — Bedrock edition structure search and verification algorithms.
- Amidst by toolbox4minecraft — Pioneering visual Minecraft seed mapping tool that inspired modern map tools.
- OpenLayers by OpenLayers contributors — High-performance, feature-packed library for displaying dynamic maps on the web.
Minecraft is a trademark of Mojang Synergies AB. mcseedmap.dev is an independent website not approved by or affiliated with Mojang or Microsoft.
Seed Map for Minecraft
26.3.0-Java / 12345
Plains
x: 0z: 0
Seed and version
Version:
Dimension:
Seed:
Number:
12345
Hex:
0000 0000 0000 3039
Sister seeds:
Datapacks
Currently, the datapack mapper only supports Java Edition 1.20.x and 1.21.x overworld mapping.
Map settings
Image
Select Y to view underground biomes (Minecraft 1.18+). Sea level is at Y=62.
Grid
Other
Seed finder
Idle
Matching Seeds (0)
No seeds found yet. Select structures or biomes below and click "Find next seed".
Structures to Find
Biomes to Find
Markers
Structures (selected: 2)
Zoom in more to see all selected structures!
Biomes
Selected biomes: 0
Beach
Cave
Desert
Forest
Ice
Jungle
Mesa
Mountains
Mushroom
Ocean
Plains
River
Savanna
Swamp
Taiga
What is mcseedmap.dev?
An online Minecraft seed map viewer and seed finder that helps you locate biomes and structures, and find the seeds you want.
It displays a slippy map for a given seed with biomes, terrain estimation, and structures like villages and ocean monuments.
It can also be used to find seeds with specific biomes and structures within a given area.
FAQ
About Minecraft
What is a seed in Minecraft?
What is a seed in Minecraft?
A seed is a code (number or text) that Minecraft's world generator uses to create landscapes, biomes, caves and structures. The same seed generates the same world layout every time, allowing players to share worlds or find specific terrain.
Are Java and Bedrock seeds the same?
Are Java and Bedrock seeds the same?
Since Minecraft 1.18, Java and Bedrock share the exact same terrain elevation and biome distributions. However, structure generation, trees, and small details still differ between editions.
How do I find my seed in-game?
How do I find my seed in-game?
In Java Edition, type /seed in chat (cheats are not required in single-player). In Bedrock Edition, open the Game Settings menu and check the World Seed field.
About mcseedmap.dev
How does mcseedmap.dev generate maps?
How does mcseedmap.dev generate maps?
mcseedmap.dev runs the official cubiomes generation algorithms compiled directly to WebAssembly inside your browser. Map calculation is 100% client-side with no remote server lag.
Why don't structure coordinates match my game?
Why don't structure coordinates match my game?
Check that your selected Minecraft edition and version match your game world. Also confirm that large biomes mode is enabled or disabled to match your world creation settings.
Is this website safe and free?
Is this website safe and free?
Yes. mcseedmap.dev is completely free, does not require an account, and does not transmit your world seeds or private data to any remote server.
PRO TIPPress F to enter fullscreen mode on desktop. Click coordinates in the finder or map to copy them to your clipboard.
News
2026-11-01
- Interactive seed map viewer and seed finder launched for Minecraft Java and Bedrock editions.
- Multi-worker WebAssembly engine with terrain hillshading, underground biome sampling, and structure finders.
Supported Editions & Releases
- Java Edition: 26.3, 26.2, 1.21.4, 1.21.3, 1.21.1, 1.20.
- Bedrock Edition: 26.50 - 26.60, 26.30 - 26.45, 1.21.120 - 26.0, 1.21.90 - 1.21.114, 1.21.60 - 1.21.80, 1.21 - 1.21.50.
Credits
mcseedmap.dev is made possible by open-source projects including cubiomes (by Cubitect), Bedrockified, MCBEStructureFinder, Mantine, and OpenLayers.
- cubiomes by Cubitect and community contributors — High-performance C library for Minecraft biome and structure generation algorithms.
- Bedrockified by Earthcomputer — Research, reverse engineering, and documentation of Minecraft Bedrock Edition world generation.
- MCBEStructureFinder by xiaohengying — Bedrock edition structure search and verification algorithms.
- Amidst by toolbox4minecraft — Pioneering visual Minecraft seed mapping tool that inspired modern map tools.
- OpenLayers by OpenLayers contributors — High-performance, feature-packed library for displaying dynamic maps on the web.
Minecraft is a trademark of Mojang Synergies AB. mcseedmap.dev is an independent website not approved by or affiliated with Mojang or Microsoft.
