CustomDimensions
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.21.1 on Fabric. On other versions it may install and then do nothing.
CustomDimensions
Create, manage, and customize dimensions directly via in-game commands.
CustomDimensions is a lightweight Fabric mod for Minecraft 1.21.1 that gives server administrators full control over dimension creation. Forget complex datapack.. Generate new worlds, set their properties, and manage their rules dynamically in-game in seconds !
Features
- In-Game Creation & Management: Generate new worlds (Normal, Flat, Void) with random or fixed seed, configure and go in them in seconds.
- Multi-World Presets: Supports Overworld, Nether, End, and custom Cave types.
- Per-Dimension Rules: Per-dimension settings for
keepInventory/ difficulty & per-dimension gamerules system, json config stored data. - Persistence: All worlds and their weather/time states are saved automatically.
- 100% Server-Side
Commands /cdim prefix for all commands:
/cdim create <id> <type> <env> <seed> Create a dimension. Example: /cd create mining_world NORMAL CAVE random
/cdim delete <id> Delete a dimension.
/cdim tp <id> Teleport to a specific dimension.
/cdim setspawn Set the world spawn to your current location.
/cdim info <dim> See real-time info (Time, Weather).
/cdim difficulty <dim> <level> Set difficulty (peaceful, easy, normal, hard).
/cdim weather <dim> <type> Force weather (clear, rain, thunder).
/cdim gamerule <dim> <gamerule> <value> Change Gamerules in specified dimensions.
/cdim time <dim> set <value>d/s/t Change time in specified dimension > d for day / s for seconds / t for ticks.
Configuration The mod saves all dimension data to "custom_dimensions.json" in your server's root folder. You can edit this file to modify specific internal values if necessary, though using in-game commands is recommended.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as customdimensions-1.1.3.jar — drop this file into the mods folder
- Download size: 42 KB
- Download link checked 23 Oct 2026 — working
These come from our own check of the pack file, not from the source page.