Fabric Mods for Minecraft 1.21
Browse 31,660 free Fabric mods for Minecraft 1.21 — popular picks include SG Exp Storage, Enhanced PVP, Simple BANG.
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SG Exp Storage
A simple mod to storage and recover experience using glass bottles, the bottles store and recover 30 experience points (not levels) To store experience right click on an enchanting table with an empty glass bottle (you need at least 30 experience points)
Enhanced PVP
This mod adds new and unique items to the Minecraft PVP experience (also there are some troll items XD).
Simple BANG
The goal of this modpack is to add some practical content and features to Minecraft, while keeping the basic essence of a vanilla experience. This then implies no new biome/blocks/mobs.

Map Helpers
Adds some nice QoL things to maps.

Cobblemon Trainers
Make your own trainers, or drop in a datapack that brings them
Freelook 360
Rotate your camera freely in 360 degrees in third-person without changing your walking direction.
KastNPC
KastNPC — the best alternative to NewNPC. Create and customize poseable NPCs with skins, mobs, equipment, presets and animations.
Plushiefy
a mod made to turn all my friends into marketable plushies!
Artisan Tools
Leveling and modification of tools. Go through the whole game with one tool.
Dodger
Dodger is a client-side Minecraft mod that automatically dodges projectiles from hostile mobs.
Spawn Egg Preview
A simple client-side mod that replaces spawn egg textures with 3D models of their entities, enhancing visibility without changing gameplay.
Genetica Flora
Adds the crossbreeding of flowers and other plants to the game.
AntiFog
Removes fog from being rendered in dimensions and in fluids
Blood SMP
Official, optimized modpack for the server.
Copium
Copium is a performance based modpack that strives to get the highest performance.
Coord Manager
Minecraft fabric mod to manage locations (client/server)

Cobblemon Scroll Cases
Adds CS:GO-style roulette cases for Cobblemon, with tiered Iron, Gold, and Diamond boxes, NPC trades, Pokemon rewards, and Cobblemon item drops.
The Suncat Express
The Suncat Express is a modpack for the Harpy Express with map voting and more!
OptiDeck (Fabric)
A mod pack for the Steam Deck with optimization mods that I know work amazing!
Simply FPS
A minimal, lightweight modpack focused entirely on boosting FPS for Minecraft with no Bloat
Classic Days
A mod-pack that clashes modern-day Minecraft with Minecraft Beta.
Vis Viva - Server Optimization
Vis Viva (from the Latin for "living force"). is a "drop and forget" Server modpack. It is made out of optimization mods handpicked with extensive research gone into it. It also supports Bedrock Edition players. comes with "sitting" and "sleepwarp"
EarthLand Stories: Cobblemon
The official modpack for EarthLand Stories: Cobblemon. It mainly features Cobblemon as well as a plethora of community-made addons, but it also contains QoL tweaks for multiplayer.
Discord Verifier
A convenient way for Minecraft server admins to restrict access to a limited group of individuals, without having to deal with the hassle of a whitelist.
Ranch
Inspired by the world discovering America’s favorite condiment, Ranch.
Entity Tick Optimizer (ETO)
Optimizes Entity Ticks, which helps with performance and optimization
Savaru's Growthology
A configurable RPG growth and skill system for Fabric, built around character levels, skill points, attributes, milestones, Worldology sync, and Savaru progression.
Better Boat Controls
Control your boat with your mouse! Improves steering responsiveness and comfort.
Mactrics
Mactrics is an optimization modpack aimed specifically at Apple Silicon devices
Addie's Vanilla Client Mods
This is all the client side mods I use to give myself a better experience when it comes to building and datapack making.
Interfaced (Discontinued)
Simple improvements to Minecraft's GUIs and the way information is displayed!
RimSkin
RimSkin is a Minecraft Fabric mod that lets players import, organize, preview, and apply custom skins directly in-game. It supports offline skin selection, favorites, folders, duplicate cleanup, multiplayer skin syncing, first-person hand
My Picture Frame
An ultra-optimized, native multi-loader image frame mod with zero external dependencies. Supports WebP, PNG, JPEG, and GIFs via URLs with advanced async caching, occlusion culling, glow filters, and server security.
Elemental Legacy
Adds magical items, powerful tools, and unique armor sets themed around the four primal elements: Fire, Water, Earth, and Air.
Scroller
When a tooltip is too tall and goes beyond the screen limits, you can scroll through its content.
Keybind Profiler
With this mod you can now save and load keybinds