Fabric Mods for Minecraft 1.21
Browse 163 free Fabric mods for Minecraft 1.21 — popular picks include OptiElitePlusz, Replant+, Sword Utils.
Updated daily
OptiElitePlusz
Highly optimized for both ARM Mobile devices and Low-End PCs
Replant+
A lightweight and server-friendly mod that automatically replants crops the moment you harvest them.
Sword Utils
Real-time Java sword PvP feedback - recalibrated cooldown overlay, combo tracker, kill counter, auto sprint, reach display, damage immunity timer, and jump reset grader. 1.21.11 | Client-side only.
ManualTotem
A simple mod that helps with manual totem placement by automatically moving your cursor to a totem when you open your inventory.
Dark Client
Ever wanted all the perks of a premium client without juggling another launcher? With Custom Client, you get client-side features baked straight into your mods—performance boosts, HUD mods, and quality-of-life tweaks—loaded right alongside Fabric API
Draventh Ores
⚒ Advanced Tier Ores & Equipment This mod expands Minecraft’s survival progression by introducing 15 new late-game materials, each with full armor and tool sets. The goal of this mod is simple: Extend progression beyond Diamond and Netherite with a struc
Ez recipes
A simple mod for adding any customizable crafting recipes to your Fabric server. Two recipes are included already, easy golden apples and easy cobwebs. Experience_bottle recipe is in the description. Try it!
JSCore
Extend your game with JavaScript, create and publish commands, menus, toggles and much more!
Fiber API
FiberAPI is a lightweight Fabric API for XDPXI's mods, focusing on shared tools, compatibility, and performance.
Conium
Conium is a datapack and script framework for modern Minecraft, it provides very diverse features without Java coding, Conium lets you complete your mods only using datapacks.
Yarnwrap
Library for runtime deobfuscation of Minecraft, used by scripting runtimes.
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
5q12's YAML API
A YAML api to read and write to YAML files for Fabric.
Ev's Mod
MapArt collection sorting/copying, image export, visual bug-fixes, and other related utilities.
SkinTLS
Mod that forces Minecraft to load player skins and Mojang-hosted capes over HTTPS for secure and reliable texture fetching.
PartyBox
Partybox Minecraft Music, Playlists & Jams
Butterfly API
An API to simplify Math and Registries.
Fruitbridge
This mod contains Fruitbridging utilities to assist players. Features are designed for both the Distance and Java 12b leaderboards.
ConditionMod
Create powerful Minecraft events using YAML. No coding required. Optimized alternative with ConditionalEvents compatibility.
Netty Memory Tweaker
Adds a netty allocation options to the settings menu.
Every API
As you read the name this modpack adds all the API's that are present in the Minecraft API library. You can now download any mod without worrying about the API's that you will need to find manually, just download this modpack and you're all set.
Lag Detective
Lag Detective is a lightweight diagnostics mod that helps answer where the lag is coming from.
G1axFixer
G1axFixer is a client-side Fabric mod that fixes resource pack crashes and optimizes network, rendering, and ticking for maximum FPS and smooth combat.
ServerLibraries
A Library made to ease serverside mod creation
Pix Vulka Optimizations
⚠️【警告】 请手动安装VulkanMod Android支持库模组后再运行，否则会立即崩溃。 ⚠️[Warning] Please manually install the VulkanMod Android support library mod before running, otherwise it will crash immediately.
Auto Logout
A mod that automatically kicks yourself from server once a player gets in range of blocks that u set, allows u to afk farm and play safe.
I Want To Control My Server (IWTCMS)
Simple minecraft mod, which allows you to connect to your server and control it
APEL
Apel stands for Animative Particle Engine Library and is used for complex particle animations, all without the need to major in linear algebra. It provides a straightforward interface and rich in documentation for developers.
T0PK4_lib
This is a next-generation bugfix mod required for ModderEFGS's and T0PK4's mods to work.
CoffeeProxy
This mod allows joining Minecraft servers via a SOCKS/HTTPS proxy (Fabric)
Visual HUD
A clean, fully customizable client-side HUD overlay for Minecraft 1.21.11 Fabric — shows coordinates, FPS, biome, time, direction, light level, speed, day count, dimension, compass, and FPS sparkline with an in-game config screen.
Shuttle
A lightweight open-source addon library for adding extension support to your mods
PlayerSettingChanger
PlayerSettingChanger lets you customize how online players look, sound, and appear on your client with per-player nicknames, skin URL overrides, voice mutes, and a premium themed GUI.
Polydex2REI-Forked
Converts Polydex recipes to work with REI!
Tales of the Third Age - Core
Core mod for all Tales of the Third Age Mods!
Visually Optimized
A collage of vibrant cultures, seasons with the serenity mod, optimisations with sodium and libraries along with inbuilt library to search between and surf through Modrinth from inside Minecraft. Now with a little tweaks in name and other stuff.