LagFixer
1.7.2-folia⚡️ Best Performance Solution! 🗄️Trusted by 3000+ servers! ✅ Lightweight and highly Asynchronous!
- Tested MC versions
- 1.13, 1.14, 1.15, 1.16, 1.17, 1.18, 1.19, 1.20, 1.21, 26.1, 26.2, 26.3
LagFixer helps improve server performance by optimizing the Minecraft engine.
While the paper itself is well optimized, some of its functions still require improvement.
It won’t fix all lag by itself, but it can noticeably reduce it when used alongside well coded plugins and a solid server setup.
It is not intended to resolve issues caused by low quality or poorly configured plugins.
⚡ Requirements & Compatibility
- Java: 21 or later (use version 1.5.3 for java 8 support)
- Server: Bukkit/Spigot/Paper, hybrid Forge, etc.
- Version range:
1.13.2–26.3
🧩 Modules Overview
| Module | Impact | Description & Features |
|---|---|---|
| MobAiReducer |  VERY HIGH | Replaces creature movement to optimize behavior. Disables unnecessary PathFinders. Crucial for massive animal farms. |
| EntityLimiter | HIGH | Restricts the number of entities per chunk. Prevents excessive entity accumulation. |
| LagShield | HIGH | Monitors server load and dynamically adjusts settings during latency spikes. |
| ExplosionOptimizer | HIGH | Limits explosion power and chain reactions (TNT, creepers, End Crystals). |
| ItemsCleaner |  MEDIUM | Cleans up old items on the ground. Includes /abyss command for players to retrieve lost items. |
| RedstoneLimiter | MEDIUM | Disables demanding Redstone clocks to prevent server overload and crashes. |
| VehicleMotion | MEDIUM | Optimizes boats and minecarts. Automatically removes chest minecarts spawned in mineshafts. |
| AbilityLimiter | MEDIUM | Limits rapid Trident and Elytra usage to prevent excessive, fast-paced chunk loading. |
| ConsoleFilter |  VISUAL | Filters console messages based on predefined rules. Enhances log clarity and reduces console clutter. |
🛠️ Features & Integration
🔌 Supported Plugins (optional)
Technical:
Stackers:
Entity Models:
📊 Placeholders
| Placeholder | Description |
|---|---|
%lagfixer_tps% | Current ticks per second (TPS) |
%lagfixer_mspt% | Current milliseconds per tick (MSPT) |
%lagfixer_cpuprocess% | Current process CPU usage |
%lagfixer_cpusystem% | Current system CPU usage |
%lagfixer_worldcleaner% | Countdown to the next world clean |
💻 Commands
/lagfixer- Main plugin command/abyss- The place where deleted items go (recovery)
Metrics bStats:
🌌 Other Plugins
Check out my other projects:
Similar projects
Plugin →VeinMiner
Mine the whole vein on mining a single ore/block. Make the tedious mining experience to something satisfying and fun! FTB Ultimine alternative
99.3MSueta
Simple Voice Chat
A working voice chat in Minecraft!
76.8MSueta
Let Me Despawn
Improves performance by tweaking mob despawn rules. Say bye to pesky unintentional persistent mobs.
25MSueta
Chunky
Pre-generates chunks, quickly and efficiently
18.4MSueta
VeinMiner Enchantment
Veinminer Addon - Adds vineminer enchantment to enchanting tables. Only tools with the enchantment can veinmine
18MSueta
JourneyMap
Real-time map used for mapping in-game or your browser as you explore.
14.7MSueta