World Height Limit

Expand Minecraft's build height with automatic datapack generation.

World Height Limit is a plugin/mod for Minecraft 1.19.x-1.21.x that increases world build height by automatically generating a version-aware datapack inside your world save folder.

It supports Bukkit, Spigot, Paper, Purpur, Folia, Fabric, and NeoForge.

Github page - https://github.com/SORFIN-apple/world-height-limit-plugin

What does it do?

World Height Limit raises the top world height by generating the required dimension datapack for your Minecraft version.

On Bukkit-based platforms, it can also keep building above the vanilla limit restricted to admins or players with permission.

On Fabric and NeoForge, the current beta builds focus on world height expansion, datapack generation, config handling, and diagnostics for both singleplayer worlds and dedicated servers.

Why use World Height Limit?

Unlike simple height limit modifiers, this project:

• supports Bukkit, Spigot, Paper, Purpur, Folia, Fabric, and NeoForge;
• works across multiple Minecraft version ranges;
• generates required datapacks automatically;
• uses version-aware datapack generation;
• supports configurable target heights up to Minecraft's stable validated limit;
• automatically aligns generated datapack height to Minecraft's 16-block world sections;
• reports the effective generated world height;
• provides debug and world height diagnostics;
• supports both servers and singleplayer worlds on mod loaders.

Features

• Automatic datapack generation
• Version-aware datapack generation
• Configurable target height
• Effective generated world height reporting
• Separate Overworld, Nether, and End settings
• Admin/debug commands for status, diagnostics, config path, and world height checks
• Legacy /highbuildlimit command alias

Bukkit-based platforms

• Configurable build restrictions through config.yml
• Exact player build-limit enforcement
• Separate toggles for placing blocks, breaking blocks, and using buckets
• Customizable permissions and messages
• Notification modes: Chat, Action bar, Title, Both, Disabled
• Admin tools such as fill and platform commands

Fabric / NeoForge beta

• Works in singleplayer worlds
• Works on dedicated servers
• Creates config/world-height-limit.json
• Supports /worldheightlimit set <maxY>
• Requires confirm when lowering world height

Supported platforms

Plugins

• Bukkit
• Spigot
• Paper
• Purpur
• Folia

Mods

• Fabric
• NeoForge

Supported Minecraft versions

Bukkit / Spigot / Paper / Purpur / Folia

• 1.19.x
• 1.20.0-1.20.4
• 1.20.5-1.20.6
• 1.21.x

Fabric

• 1.19.x
• 1.20.0-1.20.4
• 1.20.5-1.20.6
• 1.21.x

NeoForge

• 1.20.2-1.20.4
• 1.20.5-1.20.6
• 1.21.x

Commands

Bukkit-based platforms

Fabric / NeoForge

The old /highbuildlimit command remains available as an alias for compatibility.

Permissions

Bukkit-based platforms

Permission nodes keep the old highbuildlimit.* names for compatibility.

Fabric / NeoForge

Commands require operator/admin permissions where applicable.

Important notes

• Make a backup before first use.
• Height changes require a full world/server restart.
• Reloading config does not apply active world height changes by itself.
• On a fresh installation, start the world/server once to generate the datapack, then fully restart it.
• Stable builds support Minecraft's validated height range up to Y 2031.
• Heights above Y 2031 require a separate experimental build.

One-line summary

Expand world height across Bukkit, Spigot, Paper, Purpur, Folia, Fabric, and NeoForge with automatic version-aware datapack generation.