Fabric Force Lowercase Mod (1.21.7, 1.20.1) – Prevent Command Errors from Accidental Caps Lock

The Fabric Force Lowercase Mod (1.21.7, 1.20.1) is a small but smart quality-of-life mod that helps prevent one of the most common command typing errors in Minecraft: accidentally typing commands with capital letters due to Caps Lock. Since Minecraft requires all commands to begin with a lowercase word (e.g., /tp, /give, /gamemode), entering a capitalized command like /TP results in an error. This mod fixes that by automatically forcing the first word after the slash / to lowercase, saving players from frustrating typos and command failures.

Features:

• Auto-lowercases the command name:
  • Converts the first word after / (e.g., /TP) into lowercase (/tp) automatically, even if Caps Lock is on or Shift is held.
• Error prevention:
  • Reduces failed command inputs due to accidental uppercase letters, especially helpful for command-heavy players or server admins.
• Non-intrusive behavior:
  • Only affects the first word of the command arguments and player names remain untouched, preserving case sensitivity where needed.
• Ideal for quick typists and command users:
  • Helpful for server moderators, command block users, and survival players who frequently enter commands on the fly.
• Lightweight client-side mod:
  • No configuration required install and it works immediately.
  • Has no effect on gameplay mechanics or server-side logic.
• Built for the Fabric mod loader, compatible with Minecraft 1.21.7, 1.20.1.

Screenshots:

Requires:

Fabric API

How to install:

How To Download & Install Mods with Minecraft Forge

How To Download & Install Fabric Mods

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Why use Fabric Force Lowercase Mod?

This mod is especially useful for players who multitask, use Caps Lock frequently, or are tired of retyping commands due to input errors. It removes one of the smallest but most annoying pain points in Minecraft’s command system making it a perfect utility for modpacks, creative mode builders, and admin toolkits. It works invisibly, improves reliability, and doesn’t interfere with any commands or syntax beyond that crucial first word.