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FastSpawner

Dynamically optimizes mob spawner rendering for maximum FPS - display entities only when ⇧ Shift is held, and particles at adjustable rates. Perfect for lag-free mob farms!
by _nArUTo_
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353,686 downloads
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Updated Jul 6, 2026
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Performance Utility & QoL

FastSpawner: Optimize Mob Spawner Rendering for Better Performance

FastSpawner intelligently optimizes spawner rendering to boost your FPS without sacrificing functionality. Perfect for technical Minecrafters and performance-focused players!


🔧 Key Features

  1. Shift-to-View Entities

    • Spawner display entities (rotating mobs) only render when you hold Shift.
    • Reduces GPU load in spawner-heavy areas like farms or adventure maps.
  2. Adjustable Particle Rendering

    • Control spawner particles (fire/smoke) via a 0-100% slider (default: 50%).
    • Particles dynamically render at your chosen rate using smart randomization.
  3. Seamless Embeddium Integration

    • Configure everything in-game via Video Settings → Performance (Embeddium/Iris menu).
    • No manual config editing needed!

⚙️ How It Works

Feature Default Behavior Performance Impact
Display Entities Visible only when ⇧ Shift High FPS savings
Particles Renders at selected % Scalable reduction

🛠️ Configuration

  • In-game: Options → Video Settings → Performance → Spawner Particle
  • Config File: Edit fastspawner-client.toml:
    toml [client] ParticleRenderingPercent = 50 # Set 1-100

Optimize your spawners. Boost your FPS. Get FastSpawner now!

fastspawner-1.20.1-1.1.0.jar
MC Client, 1.20.1, Forge
Release 2026-01-19 Get

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