!lag™

!lag™ is a client-side Fabric optimization mod for Minecraft 1.21.11. It brings performance-focused graphics tuning, searchable settings, safe culling, particle limits, smooth zoom, and a lightweight FPS HUD into one clean client mod.

The goal is simple: make Minecraft easier to tune and smoother to play without changing gameplay logic or requiring anything on the server.

Highlights

• Combined Video + !lag settings screen
• Searchable settings with organized tabs
• Safe entity and block entity culling
• Distance and frustum culling controls
• Particle budget limiter
• Optional fullbright
• Built-in FPS HUD
• Smooth hold-to-zoom with scroll adjustment
• Menu, overlay, unfocused, minimized, AFK, and deep-AFK FPS caps
• Custom !lag startup loading screen

Performance Tools

!lag focuses on practical client-side tuning. You can limit expensive visuals, reduce unnecessary rendering, and quickly apply recommended settings from one place.

X4 BOOSTED FPS!

Included tuning options:

• Entity cull distance
• Block entity cull distance
• Visibility cache interval
• Async visibility worker count
• Particle budget per tick
• Weather effects toggle
• Entity shadows toggle
• Leaf render mode
• FPS HUD scale
• Multiple background FPS caps

Better Settings

Vanilla video settings and !lag settings live together in a merged options screen. Search helps you find the option you need quickly, while tabs keep performance, safety, visuals, distance, and FPS controls easy to browse.

Zoom

!lag includes a smooth zoom keybind.

• Default key: V
• Hold the key to zoom
• Scroll while zooming to adjust zoom strength

Compatibility

• Minecraft: 1.21.11
• Mod loader: Fabric
• Java: 21
• Environment: client-side only
• Server required: no

Beta Note

This is an early release, so some features may continue to change as the mod is tuned and polished. Please report issues with your Minecraft version, Fabric Loader version, Fabric API version, and a short description of what happened.

License

MIT

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