ModsJava
Custom Biome Downloader
A mod used to save all biomes from a server, including custom ones! Can be used together with a world downloader to get a more accurate world!
⬇ Download on ModrinthHow to Use the Mod:
Join any Minecraft server (with custom biomes registered via datapacks).
Run the command:
/save biomes- This command can be executed at any time after joining.
Check the output in chat.
- The mod will confirm the name of the file it
Output File:
- The biome data will be saved as a text file named:
<Server-IP>-BIOMES.txt - This file is located in your
.minecraft/config/
What It Does:
The mod scans and saves all server-side custom biome information + IDs.
Useful for mod or datapack developers who want to:
- Analyze custom biome data.
- Track which biomes a server is using.
Great to use in combination with:
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.4, 1.21.5
- 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 Modrinth — 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.
Verified by MCModsHub
- Ships as CBD-1.0.1.jar — drop this file into the mods folder
- Download size: 65 KB
- Download link checked 8 Sept 2026 — working
These come from our own check of the pack file, not from the source page.