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World Stripper

Strips away blocks to reveal the underground world gen. A must have tool for all devs. dev ore map strip world
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worldstripper-1.21-6.0.0-neoforge.jar

File nameworldstripper-1.21-6.0.0-neoforge.jar
Uploader
EwyEwy
Uploaded
Oct 25, 2026
Downloads
26
Size
89.4 KB
Mod Loaders
NeoForge
File ID
9325339
Type
R
Release
Supported game versions
  • 1.21.1
  • 1.21

Curse Maven Snippet

NeoForge

implementation "curse.maven:world-stripper-250603:9325339"

Learn more about Curse Maven

What's new

6.0.0 (Minecraft 1.21 / 1.21.1 - Fabric, NeoForge, Forge)

Faster stripping

Measured on a dedicated server, seed worldstripper, default strip list, Y -64..256 (time on the server thread; lighting continues on the light thread):

Radius (blocks) 5.0.1 strip 6.0.0 strip 5.0.1 dress 6.0.0 dress 5.0.1 undo memory 6.0.0 undo memory
24 (default, 49x49) 730 ms ~130-170 ms 471 ms ~95 ms 20 MB < 1 MB
64 5.1 s ~0.8 s 9.4 s ~0.4 s 161 MB ~3 MB
128 26.2 s ~3.2 s 76 s ~1.7 s 646 MB (3.7 GB peak) ~7 MB
256 out of memory 15.6 s - 7.3 s - 22 MB
  • The strip box is walked one chunk section at a time; sections whose palette holds nothing strippable are skipped.
  • Blocks are written straight into the chunk sections (heightmaps, lighting, block entities, POIs and client updates are still handled).
  • Light checks go to the light engine in one batch per section.
  • Undo data is a compact palette copy per section instead of a map entry per block.

Fixes

  • Dedicated servers: pressing Page Up / Page Down no longer crashes the server (#26).
  • Forge: client-only event handlers are no longer loaded on dedicated servers (#26).
  • The mod's network channel is optional: a client with World Stripper can join servers without it, and vice versa (#26).
  • Keybinds have readable names again under "World Stripper" in Controls (#31).
  • New /worldstripper strip [radius] and /worldstripper dress [radius] commands (#31).
  • Mod icon is back (#33).
  • Dressing restores the stripped blocks exactly: gravel and sand no longer fall into caves, fluids no longer start flowing.
  • Undo data is kept per dimension and cleared when the server stops (dressing in another dimension or world used to paste the wrong blocks).
  • /worldstripper edit works (it always failed with "No such argument").
  • Default strip list: dirt_path instead of the old grass_path, removed the non-existent flowing_water/flowing_lava and a duplicate, added mangrove, cherry and azalea logs/leaves. Existing strippables.json files are not changed.
  • No more empty worldstripper folder in the game directory.
  • Errors while reading/writing the config are logged with their stack trace.

Notes

  • With the default block-update settings, mobs that are already pathing through the stripped area don't re-plan their path immediately.

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