Minecraft Java 1.21 Mods
Browse 12,069 free mods for Minecraft Java 1.21 — popular picks include WorldgenFeatureFix, Bye?Pregen!, DespawnTweaker Refoxed.
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WorldgenFeatureFix
Fix custom world generation datapack crashes when using minecraft:lake feature ( MC-273228 and MC-272370)
Bye?Pregen!
Reduce MSPT spikes and server freezes caused by chunk generation and speed it up.
DespawnTweaker Refoxed
Better Let Me Despawn optimization | Don't allow mobs from spawners to despawn
Flowing Fluids
Gives fluids realistic flowing physics, making them mostly finite. With various settings for performance, visuals, and gameplay interaction.
Fix Attack Lag
Fix the lag caused by excessive single damage during player attacks.
Better Render Distance
Improves render distance by making it perfectly spherical, culling diagonal chunk sections and entities for better performance.
Create: Nowheel
Boost performance in Create using Occlusion Culling
Vertigo - Vertical Chunk Sync
Optimizes chunk syncing by only sending vertically nearby chunk sections to players. Essential for tall worlds like Big Globe.
PVP Optimizer
This mod removes the Delay you got from swinging a sword axe pickaxe or any item Including crystal pvp anchor pvp cart pvp optimizing bows eating and ender pearls this mod this fixes waiting on the server to do things
KEO RPG optimized
Keo RPG is a fully Spanish, highly optimized modpack with over 200 mods that lets you rediscover Minecraft with freedom, RPG classes, magic, and epic bosses.
PSX Shader
Simple shader, the goal is to imitate the look of the PSX Games.
Better Grass (OptiFine)
Better grass textures (optifine)
Fast Server Pings
Rewritten server ping pipeline using optimized Netty I/O, along with SWR caching.
Better Cobblemon (Pokemon)
🔥 A Better Minecraft Pokemon Modpack 🚀 Enhanced Cobblemon Experience 🕺Filled with performance mods 💖
Speed Of Light FPS Booster (SOL)
Speed Of Light is a bare bones modpack designed to get the most FPS out of Minecraft with the least lag possible, using highly optimised mods.
Cull Particles MultiLoader
MultiLoader particle culling mod to improve performance
Everything Voxy
This modpack makes Voxy run fast and smooth with full support for compatible shaders. 1.21.10–26.2
FPS boost all version
FPS boost 1.16.5 to 1.20.4.This modpack server to make minecraft game vanilla with 0 lag. All versions from 1.16.5 to 1.20.4 the modpack will always be updated. available both with sodium (recommended) or with optifine.
The Broken Script Enhanced
A horror modpack based around The Broken Script, adding small mods to aid it in giving you a sense of fear and paranoia.
Orebfuscator
High-Performance Anti X-Ray plugin
Mods Optimizer
Automatic and real-time server bundling (one mod pack for client/server) and mod clean up for better performance and less crashes.
Endless Music
Removes the long pauses between background music.
Substrate
Optimization of the bottom and/or top layer(s) of the world
Multiplayer Server Pause
Pauses servers when all connected clients are paused.
Hero's Elytra Optimizer
Fixes elytras to not make you keep gliding when you don't have an elytra on
SmartSpawner
A GUI-based spawner plugin that generates items and experience without spawning mobs
Full Light
Experience Fullbright in Minecraft with Optifine or Polytone!
Vein Vantage
Better Mining
Spawn Egg Backport
This adds the new spawn egg textures seen in 25w08a, to work in older versions, no Optifine needed :)
Perf Boost
Perf Boost is a Fabric mod for Minecraft 1.21.10 that adds a toggleable performance HUD (FPS, RAM, CPU, ping, etc.) and an optional performance mode.
Cobblemon Islands
Pokémon in Minecraft! Play the Cobblemon Mod at it's best with this Server Modpack for Cobblemon Islands The server included in this pack has EVERY Pokemon Model, Megas, Z-Moves, Terastalization, Raids, Expeditions, Dens and more!
Highlighter
Highlights items in your inventory different colors depending on their enchantments and types.
AxGraves
A lightweight grave (death chest) plugin focused on performance & compatibility.
Elytras+
150+ Elytras (OPTIFINE)
chunky chunks!
A quick and dirty fast chunk loading mod!
Enchanted Bookshelves
Enchanted Books will glint when put in Chiseled Bookshelves! Give your enchanting room a cosmetic shine!