Fabric Mods for Minecraft 1.21
Browse 31,860 free Fabric mods for Minecraft 1.21 — popular picks include Spectacularly Optimized, Mate API, AntiHaram.
Step by step: How to install Minecraft Java mods & modpacks
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Spectacularly Optimized
The 2ND BEST Optimization modpack there is!
Mate API
A better Entity / Player API mod for Fabric.
AntiHaram
Unserious mod that adds a haram counter that increases if you do haram and decreases if you do halal, with a cool judgement day system & dimension
Dusk's Pixel Accurate Signs
Changes signs from 2/3 scale to full scale, and from entity to block models!
Mythic Events
Mythic Events | The official, high-performance modpack specifically designed for players.
Galactic Snacks
Adds a wide variety of your favorite Star Wars snacks!
Simple In-Game Calculator
"A compact, easy-to-use in-game calculator for Fabric 1.21.4, accessible with a single keypress."
Immortalizer
Adds The Immortalizer (and commands) for immortalizing mobs.
PacketDebug
A lightweight in-game network traffic analyzer for Minecraft.
microtonality
An port of Microtonal Note Blocks to the latest minecraft version with some quality of life changes.
DingusCube
Turns everyone into a cube with the skin of a person named Dingus
Show Claims
Shows claims on a public server defined in the config.
augustine's EDNA
The Perfected Vanilla client side modpack | works on low end PCs!
JWTweaks
Dimension-colored tab list with AFK tracking.
Full Turtle Armor Set
A mod that adds full turtle armor in a vanilla way. Armor trim support has not yet been added, it will be though.
Mythrift's Modpack
A modpack for Mythrift, a 1.21.1 Minecraft MMORPG survival server by KY25NGIE
ectl
Adds a very easy way to make a creative tab
Nears Polymer Patch
Polymer patch for Nears mod
Project Sycamore
Mod made for Project: Sycamore, an SMP project
Kurtai_nz's Cart Timer
Cart PvP Timer mod that can count in miliseconds/ticks/frames
NoMoreDeadChunk
bro all i can say for this mod is that there will no more dead chunk in ya's world

Reach (View)
Not A Cheat. Yet A Highly Customizable Reach Displayer.
Elytra Lumina Mod
This mod adds new capabilities to the elytras looks.

Rype's Auto Item Mending
Automatically repairs damaged Mending items from your main inventory by cycling them through your offhand while collecting XP.
Breaking Block
Mod that adds new types of crops, working station, villagers. Grow your empire and be the richest
Yahooste!
Yahooste (Yahoo + Paste) — a simple mod to save and quickly paste text snippets into chat that are tedious to type out manually. sadly, its only on russian language.
Subscribe Button Item For Youtubers
This mod adds Subscribe Button Item.
Minimal Ice Boat Racing
An extremely lightweight ice boat racing modpack for the average person with a potato PC.
Spawn Egg Warning
Adds a warning for spawn eggs whose mob has a lot of health points
Dunce's Fine-Tuned
A vanilla+ modpack that still feels like Minecraft. You may need a decent PC to run this modpack.
EPC 的 云储存
该模组添加了云存储,让你可以随时随地按Y键打开箱子存储物品 | This mod adds cloud storage, allowing you to press the Y button to open a chest and store items anytime, anywhere.
Maikura Coppersmith Tool
Copper oxidation, restoration and wax management tool for Minecraft builders.
slime ++
Slime blocks are now upgradeable!
Portal Randomizer
Randomizes the End Portal to require 12 random items instead of Eyes of Ender!
Más recetas/More recipes (Java)
Mod que permite craftear items y bloques que ayudan a reducir el almacenamiento notablemente sin perder la cantidad original de los items usados para crearlos, y puedes obtenerlos de vuelta
Scout Perform
A performance-focused Minecraft modpack designed for low-end and mid-range systems, improving FPS, loading times, and overall game responsiveness with optional immersion and quality-of-life features.