Craftulator
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
Lightweight, client-side Calculator mod, that gives output of your expression in your chat. Use /calc [EXPRESSION]
⬇ Download on Modrinth
💻 Craftulator 🖨️
A tiny, dependency-free client-side mod that turns your chat into a Calculator.
How it works ❓
Type /calc followed by a math expression, and Craftulator evaluates it instantly and prints the result in bold chat. For Example:
/calc (5+3)/(2*2) -> CRAFTULATOR: 2.0
Supported operations
- Addition (
+) - Subtraction (
-) - Multiplication (
*) - Division (
/) - Modulo (
%) - Parentheses for grouping (
(,))
Features 🚀
- Fully client-side — works in singleplayer and on any multiplayer server, no installation required on the server
- No dependencies — nothing else to install
- Instant feedback — results are printed locally in your own chat, nobody else sees them
Compatibility 🔧
- Minecraft 1.21.1
- NeoForge
Why this mod?
Sometimes you just need to do quick math while playing — building, redstone, resource counts — without alt-tabbing out of the game and running Calculator app.
- 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 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.
- Ships as craftulator-1.0-1.21.1.jar — drop this file into the mods folder
- Download size: 32 KB
- Download link checked 15 Oct 2026 — working
These come from our own check of the pack file, not from the source page.