Minecraft Superflat Generator
Create custom superflat world presets for Minecraft Java Edition with our free, easy-to-use generator. Superflat worlds are perfect for building large structures, testing redstone contraptions, creating challenge maps, and experimenting with different biomes and structures without terrain interference.
Our Minecraft superflat generator allows you to customize every aspect of your superflat world: choose from over 80 biomes (including Overworld, Nether, End, and the latest 1.21 update biomes), build custom block layers with any Minecraft block, and configure structures and decorations. The generated preset strings are compatible with Minecraft Java Edition 1.21.4 and other recent versions.
Whether you're building a creative project, designing a minigame map, testing redstone circuits, or creating a survival challenge, our superflat generator gives you complete control over your Minecraft world generation.
This preset uses the modern Minecraft format (1.18+). The tool can also import older presets that start with "3;".
Our superflat generator supports all Minecraft biomes, organized by category. Choose from Overworld biomes, Nether biomes, End biomes, and the latest biomes from Minecraft 1.21 updates.
Overworld
- Plains
- Sunflower Plains
- Snowy Plains
- Ice Spikes
- Desert
- Swamp
- Mangrove Swamp
- Forest
- Flower Forest
- Birch Forest
- + 43 more
Nether
- Nether Wastes
- Soul Sand Valley
- Crimson Forest
- Warped Forest
- Basalt Deltas
End
- The End
- Small End Islands
- End Midlands
- End Highlands
- End Barrens
1.21 Update
- Trial Chambers
Total: 64 biomes available for superflat world generation
Build custom layer structures using blocks from all categories. Each layer can be any block with a thickness from 1 to 256 blocks.
Common
22 blocks
Natural
0 blocks
Building
26 blocks
Decoration
0 blocks
Redstone
10 blocks
Miscellaneous
27 blocks
Colored
32 blocks
Nether
13 blocks
End
7 blocks
1.21 Update
20 blocks
Total: 157 blocks available for layer construction
Configure which structures and decorations spawn in your superflat world. Control villages, strongholds, mineshafts, and more.
Villages
- Villages
Dungeons
- Dungeons
- Abandoned Mineshafts
- Strongholds
Strongholds
Monuments
- Ocean Monuments
- Woodland Mansions
Outposts
- Pillager Outposts
- Bastion Remnants
Other
- Nether Fortresses
- End Cities
- Ruined Portals
- Shipwrecks
- Ocean Ruins
- Buried Treasure
- Desert Pyramids
- Igloos
- Jungle Temples
- Swamp Huts
- Ancient Cities
- Trail Ruins
Here are some popular superflat preset configurations you can use as starting points or copy directly into Minecraft.
Classic Superflat (Default)
The default superflat preset: 1 layer of bedrock, 2 layers of dirt, 1 layer of grass block.
3;minecraft:bedrock,2*minecraft:dirt,minecraft:grass_block;1;villageRedstone Testing World
Perfect for testing redstone contraptions: flat stone surface with no grass or decorations.
3;minecraft:bedrock,59*minecraft:stone;1;village,stronghold,biome_1Desert Superflat
Desert biome with sand layers, perfect for desert-themed builds.
3;minecraft:bedrock,2*minecraft:sandstone,minecraft:sand;2;village,stronghold,biome_1Ocean Floor
Deep ocean biome with stone layers, great for underwater builds.
3;minecraft:bedrock,10*minecraft:stone;10;village,stronghold,biome_1Nether Superflat
Nether biome with netherrack layers for Nether-themed projects.
3;minecraft:bedrock,5*minecraft:netherrack;8;village,stronghold,biome_1Tip: Copy any of these preset strings and paste them into the "Import Preset" field in the generator above to load and customize them.
What is a superflat world in Minecraft?
A superflat world is a custom world type in Minecraft with simplified, flat terrain generation. Instead of mountains, valleys, and natural terrain, superflat worlds generate as flat layers of blocks that you can customize. This makes them perfect for building, testing, and creating custom maps.
How do I use a superflat preset in Minecraft?
When creating a new world, select "More World Options", change the world type to "Superflat", click "Customize", then "Presets", paste your preset string, and click "Use Preset". The preset string generated by our tool contains all the information Minecraft needs to generate your custom superflat world.
What versions of Minecraft are supported?
Our generator creates presets compatible with Minecraft Java Edition 1.21.4 and other recent versions. The preset format is standardized, so presets should work across multiple versions, though some blocks or biomes may not be available in older versions.
Can I use Nether or End biomes in superflat worlds?
Yes! Our generator supports all biomes including Nether biomes (crimson forest, warped forest, basalt deltas, etc.) and End biomes (the_end, end_highlands, etc.). You can create superflat worlds with any biome type.
What are superflat worlds used for?
Superflat worlds are commonly used for: building large structures without terrain interference, testing redstone contraptions, creating challenge maps and minigames, designing creative mode projects, experimenting with different biomes and structures, and setting up controlled environments for gameplay testing.
Can I add structures like villages to superflat worlds?
Yes! Our generator includes options to enable or disable various structures including villages, strongholds, mineshafts, ocean monuments, and more. You can also configure structure spacing and separation to control how frequently they spawn.
How many layers can I have in a superflat world?
Each layer can have a thickness from 1 to 256 blocks. You can add as many layers as you want, though most superflat worlds use 2-5 layers. The bottom layer is typically bedrock, followed by stone or other base blocks, and then surface blocks like grass or sand.
How to Use Superflat Presets in Minecraft
- Create a new world in Minecraft Java Edition 1.21.4
- Click on More World Options
- Change the world type to Superflat
- Click on Customize
- Click on Presets
- Paste your custom preset string in the text box
- Click Use Preset and then Done
- Finish creating your world and enjoy your custom superflat world!
Compatibility Notes
This generator creates presets compatible with Minecraft Java Edition 1.21.4. The presets should also work with other recent versions of Minecraft Java Edition, but some blocks or biomes may not be available in older versions.
About Superflat Worlds
Superflat worlds in Minecraft are custom worlds with simplified terrain generation, perfect for:
- Building large structures without terrain interference
- Creating custom challenge maps
- Testing redstone contraptions
- Designing creative mode builds
- Experimenting with different biomes and structures