Fabric Mods for Minecraft 1.21
Browse 6,836 free Fabric mods for Minecraft 1.21 — popular picks include Idle Tweaks, ThreadTweak Reforged, ArdaGrass.
Updated daily
Idle Tweaks
Reduces Minecraft's resource usage while it runs in the background.
ThreadTweak Reforged
Improve and tweak Minecraft CPU scheduling (again!)
ArdaGrass
A Fabric alternative to Optifine's "Better Grass". Special compatibility for Conquest Reforged's grass block models.
Breakneck: Optimized | FPS Boost, Shaders & QoL
1.21.11 – Level Up Your Vanilla Client with Increased FPS, Shaders, Quality of Life Enhancements, and Visual Improvements
Put A Plug In it! (PAPI)
A small mod that fixes Memory Leak issues, optimizes Memory Usage, and increases version/loader support for features of other Memory Leak Fix/Memory Optimization mods
![Redirectionor [Retro]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/204956.webp)
Redirectionor [Retro]
Avoid Enum values allocation in codes and improve game performance.
Raknetify
A Fabric mod / BungeeCord plugin that uses RakNet to improve multiplayer experience significantly under unreliable and rate-limited connections.
Enchanter Fix
Allows players to decorate their enchanting table setup by fixing the "enchantment power transmitter" block tag.
Detected setBlock Be Gone
Suppresses the "Detected setBlock in a far chunk" message in the console thus reducing log file size.
Haste
Designed Optimization for PojavLauncher ✉️Notice Board✉️ Support Minecraft 1.21.1 Support Minecraft 1.21 Support Minecraft 1.20.6 Update Minecraft 1.20.4 Update Minecraft 1.20.2 Update Minecraft 1.20.1 2024.8.17
Too Many Players
Allows you to increase FPS with a large crowd of players
Wynncraft for Lunar Client
Tailor-made list of popular mods to enhance your gameplay experience while playing Wynncraft on Lunar Client.
EfficientHashing
better hashing algorithm for Vec3i & BlockPos
MCC Island for Lunar Client
Tailor-made list of popular mods to enhance your gameplay experience on MCC Island through Lunar Client.
Keybind Fix Updated
Allows multiple functions to be mapped to the same keybind without (as much) conflict
Bedrodium
Little optimization bedrock layer
Cull Fewer Leaves
Cull leaves while looking hot! A continuation of Cull Less Leaves.
Client Side Crystals
Makes your crystals show instantly client side when crystaling to look look like zero ping Works with Marlow's optimizer Allowed on VTL and mcpvpclub
The Cobblemon SMP - Pokemon in Minecraft
✅💯 The Ultimate Pokémon Academy! 💯✅ Catch, train, and level your Pokémon with friends in Cobblemon. Battle, capture, train, and grow all your mons —starting your cobble verse journey! Optimized MMO Experience🌟🌟
Idle Boost
This mod optimizes performance when Minecraft is running in the background.
OptiFabriс
Best alternative to OptiFine
Veil
Upgrade your modding potential with cutting-edge rendering and game-engine features. Built for modders, by modders.
Tetrachord Lib
A lightweight library mod that provides various data structures such as KD Trees and Segment Trees, alongside some other utilitarian functionalities.
Easy Mob Spawn Control - spawn rate, mob cap, disable bad mobs
Quickly adjust spawn rate, ban mobs, change mob limit and more with in-game menu
AdvancementsScreenOptimizer
Optimizes rendering the advancements screen
Moonrise
Optimisation mod for dedicated and integrated server.
![Better MC [FABRIC] - BMC3](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/9351.webp)
Better MC [FABRIC] - BMC3
Version 1.21 | Vanilla+ Experience With The Player in Mind | A New Era of Better MC!
Xander's Sodium Options
Replaces Sodium Options with a Minecraft-style alternative powered by YACL.
Fast Xp
A client side mod that throws xp faster.
Advanced Wall Climber API
A powerful API for Minecraft mods that enables advanced wall climbing mechanics for entities. This API allows mod developers to easily add spider-like wall climbing behavior to any mob.
Not Enough Vulkan
Not Enough Vulkan is a fork of Sodium Extra that is focused on improving VulkanMod
ClickCrystals
Crystal PvP tweaks client mod. Your ultimate cpvp assistance. Various tweaks that improve your performance without ruining the cpvp experience.
Low Res Trailer Recreation
This pack aims to recreate the amazing visuals of the Minecraft Trailers inside the vanilla game.
Threads
Performance tweaking mod that allows to change priority of running game threads.
Dynamic light
Mobs on fire and some items emit light! Like the OptiFine's dynamic light.
![Actions & Better [ON JAVA]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/11846.webp)
Actions & Better [ON JAVA]
🌍 A fully client-side modpack that tries to replicate the atmosphere as when playing with A&S for Java Edition. The modpack combines excellent ⚡ performance, ✨ atmosphere and beauty.