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Lon

Lon

Lon is a lightweight performance mod for Minecraft that reduces chunk-loading lag with pre-generation, monitors server TPS, and optimizes memory usage with auto GC—keeping the game smooth on low-end PCs.

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Compatibility

Minecraft: Java Edition

26.1.2

Platforms

Supported environments

Client-side
Server-side
Client and server

Tags

Creators

Details

Licensed ARR
Published 2 days ago
Check Your Server's Pulse

Check Your Server's Pulse

Type /lon tps to instantly see your server's ticks per second, color-coded from green (smooth) to red (lagging). Spot performance issues before they ruin gameplay—no more guessing why the game feels sluggish.

May 10, 2026
Pre-generate Chunks, Eliminate Lag

Pre-generate Chunks, Eliminate Lag

Type /pregen 50 to safely generate all chunks within 50 chunks of your location. No more lag spikes when exploring, flying, or traveling through the Nether. Lightweight, safe, and runs on the main server thread.

May 10, 2026
Free Up Memory Instantly

Free Up Memory Instantly

Type /lon memory gc to manually trigger garbage collection and see exactly how much memory was freed. Perfect for reclaiming RAM after heavy chunk generation or long play sessions. Works alongside the built-in auto GC for complete memory control.

May 10, 2026
Know Your RAM

Know Your RAM

Type /lon memory to instantly view used, allocated, and maximum memory. Stay aware of your game's memory footprint without leaving the game—essential for diagnosing lag on low-end PCs.

May 10, 2026