Fabric Mods for Minecraft 1.21
Browse 987 free Fabric mods for Minecraft 1.21 — popular picks include CSLmcClient, Volt: Server Control, The Modpack Modpack.
Updated daily
CSLmcClient
This modpack is no longer being worked on in the CslMc server due to requests from server staff and community to switch to back to paper. I have Archived it for anyone who still wants to try the pack for their own reason. I am sorry for any inconvenience!
Volt: Server Control
25+ unique admin commands for player management, world modification, and physics control. Freeze fluids, magnetize items, instant healing, gravity control, and much more.
The Modpack Modpack
Some mods that might be helpful to those wanting to make a more complex modpack!
New feeling
New feeling aims to provide players with a new feeling and offer certain performance optimization and beautification based on the original version.

Glowstone
The Vanilla+ pack for heavily modded enthusiasts
Simply Handheld
A Modpack of handheld capabilities like MSI Claw or Steam Deck
What Is My FPS??
WIMP is the next generation of Minecraft Client Modpacks and human evolution. For the curious, the adventurous, and those ready to know more: Finally see your FPS.
Sparky optimize
Increse in FPS For smooth Gameplay and better performance
Enhanced Interactions
A collection of resourcepacks and client side mods that enhance the players interactions with the world and other players
Builders Heaven
Builders Heaven is a Modpack that is designed to enhance a creative players building experience. It adds more than 20 mods to help with QOL and Building
KoroskiHub
A minecraft optimization modpacks that was designed for better experience on the KoroškiHub minecraft server.
Video pack
Mod pack for new youtubers with basted graphic resource pack and mods + mods with convenient features for replays
MegaCraft_823
Warning: This modpack is originally translated into Russian. To translate it into another language, click the button. please read the description before playing! this pack was created to improve your minecraft experience. the pack is completely client-side
opti1.21
vanilla build 1.21 with mods for optimization and a more convenient game.
Better on Fabric
an quality of life improvements and visual enhancements modpack that make game better but keep diffault game look.
Amplified Nether Fix Biome
This mod fixes the biome detection issue with amplified Nether that increase the Nether's height to Y256 or higher, this ensures that biomes are detected vertically up to Y512.
Distant views
Simply optimized Minecraft with huge view distance and shaders that will blow your mind. Meant to be used with low-mid ranged pcs. Enjoy :)
Skydinse Enhanced
The unofficial Modpack that upgrades your Skydinse.net experience with performance and QoL improvements
Moro's Quest Season 4
Performance boosting mods and simple voicechat.
Refined Fluid Substitution
Adds a fluid substitution pattern, allowing fluids to be used directly instead of buckets to Refined Storage
StormPRVT
StormPRVT is a Minecraft mod focused on performance and HUD.
Cinematorgraphy
This Modpack allows you to make the best of the best shots in Minecraft!
Thumbnailling(Easy)
Easy, convenient, optimized thumbnail package
Forever Phase
what vanilla minecraft wishes it was
Zecoar Modpack EX
A Minecraft Modpack, you can have a good time in this new Minecraft, it is a modified modpack, if you want to play the unmodified version, you can know about Zecoar Modpack.
Combat Metrics
Combat Metrics is a client-side Fabric mod that tracks your PvP performance and turns your death screen into a detailed analytical dashboard with visual graphs.

BlastProt Indiciator
A mod similar to crosshairaddons by Walksy which adds a display for when you have Blast Protection leggings on.
NoCollision
NoCollision allows you to disable or fine-tune collision between players, mobs, and players vs mobs.
Extreme Optimization
This project adds a lot of optimizations to Minecraft, boosts my frame rate from <20fps to a stable 75fps (due to v-sync) and adds a lot of utilities, sacrificing some visuals. 此项目为Minecraft增加大量优化,将我的帧率从<20fps提升到稳定75fps(由于垂直同步),并增加许多实用工具,美中不足的是牺牲了一些视觉效果。
Prism Optimized
Prism Optimized boosts Minecraft FPS on low-to-high-end PCs. This particular modpack has unique configurations to improve the performance of Minecraft!
SMP World (S1)
This is a basic build on fabric for the SMP Hub/World project Season 1
ZeroFabric
Beautiful graphics, speedy performance and familiar features in a simple package. High Fps And Much More!
Anti Player Crasher
AntiPlayerCrasher is a lightweight Fabric client-side mod for Minecraft 1.21.10 that protects your game from malicious crash packets used by PlayerCrasher-style server plugins. It filters invalid position, explosion, and particle packets.
Muoh Optimize and The Features
Muoh Optimize & its Features: 🚀 Unleash the true performance of your Minecraft! This is the ultimate optimization suite, built from the ground up for low-end PCs. Say goodbye to lag and hello to smooth, high FPS gameplay with essential quality-of-life add
ZPlus+ Optimize
ZPlus+ Optimizde is the best optimization modpack to optimize and boost your Minecraft experience with better performance and amazing visuals. Improve FPS, reduce lag, enjoy smooth gameplay with this lightweight and powerful modpack
Flowery
FloweryMC is a cozy vanilla Minecraft server with a pleasant atmosphere and classic gameplay.