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Secondary Key
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Use two keys for the same Minecraft action — perfect for PvP, hotbar switching, and custom controls.
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Runs entirely on the client. Works on vanilla servers.
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⌨️ Secondary Key
Secondary Key is a lightweight client-side Fabric mod that lets you assign a second key to any Minecraft keybind while keeping the original key working.
For example:
- Hotbar Slot 3 →
3+Mouse 4 - Open Chat →
T+` - Toggle Perspective →
F5+V
Both keys will trigger the same Minecraft action.
✨ Features
- Assign one secondary key to any Minecraft keybind
- Original keybinds continue to work normally
- Supports keyboard keys
- Supports mouse buttons
- Secondary key settings are saved automatically
- Fully client-side
- Lightweight and simple
- Useful for PvP and custom control setups
🎮 How to use
- Install Fabric Loader for Minecraft 26.2.
- Install Fabric API.
- Put
secondary-key.jarinto your Minecraftmodsfolder. - Start the game.
- Press K to open the Secondary Key menu.
- Choose the Minecraft action you want.
- Assign a secondary key.
Example:
If your normal key for Hotbar Slot 3 is 3, you can assign Mouse 4 as the secondary key.
After that, pressing either 3 or Mouse 4 will switch to Hotbar Slot 3.
The original key is not replaced.
📦 Requirements
Minecraft: 26.2
Mod Loader: Fabric
Fabric API: Required
Java: 25
💻 Environment
Client-side only
The server and other players do not need to install Secondary Key.
📄 License
MIT License
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