How do I install Slime Chunk Finder?

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. Opens on Modrinth — not every file is mirrored on our own servers.

What Minecraft version does Slime Chunk Finder work with?

The listing gives Minecraft 1.21.1, 1.21.2, 1.21.3, among others. This is the version stated by the author or source site, not something we verified ourselves.

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Slime Chunk Finder

by METABYTE · on Modrinth

Which build do you need?

This mod ships a separate file for every mod loader and every version of the game. Pick both, then download — the wrong build installs fine and then does nothing in the game.

Mod loader

Mod loader Forge2 builds
Mod loader Fabric1 build

Minecraft version

Minecraft 1.21.1–1.21.4Newest
Minecraft 1.20.1–1.20.6

Minecraft 1.21.1–1.21.4Newest

⬇ Download for 1.21.1–1.21.4 · Forge ⬇ Download for 1.20.1–1.20.6 · Forge ⬇ Download for 1.21.1–1.21.4 · Fabric

I don't know my version or loader

Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.

No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.

Open in MC Java Mods Get it on Google Play →

Easily find Slime Chunks in your Minecraft world using F3 or a simple command! This mod enhances your gameplay by providing quick and easy ways to determine if you're in a Slime Chunk.

Features: Command: /isslime Instantly tells you if you're currently in a Slime Chunk. F3 Integration: Displays Slime Chunk information directly in the debug screen (F3). Works with any seed: Seamlessly compatible with all world seeds. Lightweight and user-friendly: Adds convenience without any performance impact. Compatible with Minecraft 1.20.1:

Perfect for: Slime farms: Easily locate and plan your builds. Gathering slimeballs: Spend more time adventuring and less time searching. Explorers and builders: Optimize your projects with minimal effort. Add this mod to your toolkit and make finding Slime Chunks effortless!

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft versions listed: 1.21.1, 1.21.2, 1.21.3
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 isslime-1.1.0.jar — drop this file into the mods folder
Download size: 25 KB
Download link checked 20 Sept 2026 — working

These come from our own check of the pack file, not from the source page.

Explore more

All Mods for Java All Minecraft Java mods Java mods for 1.21