Perf 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

Screenshots

Performance HUD (press P to toggle)

Keybinds in Settings

License

MIT