Fabric Mods for Minecraft 1.21
Browse 3,632 free Fabric mods for Minecraft 1.21 — popular picks include Command Block Delay, MayersScott Pack [SP], Cobblemon Ball Satchel.
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Command Block Delay
Adds a delay to command blocks!
MayersScott Pack [SP]
Modpack to play on the SP. The pack is made by MayersScott
Cobblemon Ball Satchel
Cobblemon Ball Satchel is a quality-of-life addon for Cobblemon on Fabric 1.21.1. It adds a dedicated satchel that stores your Poké Balls, keeps your inventory organized and lets you switch Ball types without filling your hotbar.
Trickster Golemancy
Adds golems to the Trickster mod!
CraftablesZ
Expands your world with 6 recipes for uncraftable items.
Super Staffs
This mod adds a magic system with custom crafting and ten staff tiers. Each staff grants unique abilities such as lightning fire ice teleportation destruction and invisibility. Progression is controlled through a custom crafting machine using twelve recipe
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.
HardGrind
Disables all Singleplayer cheating
A.R.T.E.M.
It's a adventure, tech and exploration modpack.
ORECraft
Mine while mining!
Riftup
A simple mod adding a new step and other smaller tweaks to progression
StageFX
Working Moving Heads for your Light Show!
CoarWeave
Optimium is a high performance Fabric modpack designed to maximize FPS reduce lag and deliver smooth stable gameplay for low end and mid range systems Every included mod is carefully selected to optimize rendering memory and CPU usage
Modium Pro
Modium Pro expands Modium with advanced tools for building, automation, and content creation, ideal for experienced players
Resource Time
This modpack is made for fans of resource packs, as well as for regular players
Harmony I
A seamless and enjoyable modpack that transforms Minecraft with well-balanced development, fresh mobs, and mechanisms. Bronze progression, explore structures, complete quests, and dive into a world where every mod tastes like vanilla.
Better Enhances
This is the modpack that you might be looking for cause this has the best vanilla upgrades with being as light as possible. So let me tell your more about this
Endersword
Design: The blade features a striking obsidian-dark finish with a pulsing, translucent violet edge that leaves faint trails of energy when swung. The hilt is wrapped in leather from reclaimed End City banners, and the cross-guard is constructed from polish
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。
Overgrow
Let the world OVERGROW itself.
MCCapes
Lets you choose your own client sided minecraft cape purely cosmetic no one else can see besides yourself!

Rubi Trade Work
This mod add Rubi , Rubi Block , Rubi ore , Deepslate Rubi ore and fully functional Rubi Block Beacon and new trades
Teleport Mod - MTM
This mod makes it easier and more accurate for players to teleport, through their Minecraft World.
Command Block Editor
Command block editor that lets you edit multiple command blocks at once
Mod Helper Admin
Mod Helper Admin - a tool for Minecraft server moderators. Simplifies dealing with rule breakers and automates routine tasks. Fully customizable to fit your moderation team's needs.
NoEntityLag
So this mod DOES NOT OPTIMIZE. But why you need it its like an anticheat that blocks lag machines.
Skylife
A Skyblock with the goal to make everything different (at least a bit)

Firework Pack
The ULTIMATE Optimization Modpack. Sodium-Based.
Tionacs dan Tuffs
Actions and Stuff on Lagva!!!!!
Four K's Ultimate MC
This is a Modpack sticking true to the original Minecraft feel while just changing a few things to make it feel fun to play.
FPS Deluxe
A Modpack that aims to mainly improve performance and on the other side give players all sorts of tweaks and quality of life changes.
Froster's QOL
Various Client-Sided QOL changes and Technical Additions in a single, easy to use bundle.
Minecraft Trailer Recreation by Georgefatpotato
Yet simple but unique Trailer Recreation
Not Enough Things
This modpack adds new biomes, structures, ores, and more
Prehistoric Reborn
Prehistoric Reborn: is a Minecraft mod that transforms your world into a primal landscape. Discover fossils, extract ancient DNA, and use advanced technology to revive legendary creatures.
CampsOnCampusPack
Modpack for the UNCC Camps On Campus Minecraft camp