ModsJava
Performance Booster
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
A Fabric mod for Minecraft 1.21.10 that adds a toggleable performance stats HUD and optional performance tweaks.
⬇ Download on CurseForgePerf Boost
A Fabric mod for Minecraft 1.21.10 that adds a toggleable performance stats HUD and optional performance tweaks.
Features
- Stats HUD — Overlay in the top-right showing:
- FPS and frame time
- RAM usage
- Entity and chunk counts (in-world)
- Ping (multiplayer)
- CPU usage (when available)
- CPU temperature (when available)
- Performance mode — Optional tweaks (e.g. particle limits) when enabled.
- Keybinds (rebindable in Options → Controls → Key Binds, under Perf Boost):
- Toggle Perf HUD — Default:
P - Toggle Performance Mode — Default:
O
- Toggle Perf HUD — Default:
Screenshots
Performance HUD (press P to toggle)
Keybinds in Settings
License
MIT
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.10
- 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 CurseForge — 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.
Performance Booster is a free Minecraft Java mod. Compatible with Minecraft 1.21.10. Downloaded 16,706 times (via CurseForge). Download it and open it directly in the game.