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Fabric Mods for Minecraft 1.21

Browse 6,836 free Fabric mods for Minecraft 1.21 — popular picks include Purely Optimized - Fps Booster, Sodium Profiles (Save Your Settings as Profiles), Mob Controller Slime Spawning.

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Purely Optimized -  Fps Booster
1.21.5fabric

Purely Optimized - Fps Booster

All the performance mods you need with much customizability

1.8kdownloads
Sodium Profiles (Save Your Settings as Profiles)
1.21.11fabric

Sodium Profiles (Save Your Settings as Profiles)

Sodium Profiles adds one-click performance presets and custom settings profiles to Sodium's video settings. Swap between max FPS and best visuals instantly — no manual tweaking needed.

1.7kdownloads
Mob Controller Slime Spawning
1.21.11fabric

Mob Controller Slime Spawning

This Mod adds control functions for Slime Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.6kdownloads
Enchantment Level Patch
1.21.1neoforge

Enchantment Level Patch

Swaps the enchantment level numbers with enchantment symbols. (10, 11, 255 to X, XI, CCLV)

1.6kdownloads
Optimized Performance - FPS Boost
1.21.10fabric

Optimized Performance - FPS Boost

Performance boosting Modpack. Lightweight and fast!

1.6kdownloads
GWOLF's Mod File Vertifier API
1.21.8fabric

GWOLF's Mod File Vertifier API

This mod vertifies the files of other mods you install.

1.6kdownloads
Cobblemon - PokeResort [Official]
1.21.1fabric

Cobblemon - PokeResort [Official]

Play with the PokeResort Modpack for the BEST COBBLEMON EXPERIENCE! The latest version of Cobblemon and gameplay enhancing mods into one convenient and optimized package! Including client performance enhancing mods, QoL adjustments and immersive mods!

1.6kdownloads
Mob Controller Pillager Spawning
1.21.11fabric

Mob Controller Pillager Spawning

This Mod adds control functions for Pillager Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.6kdownloads
Better MC (Super Optimized)
1.21.8fabric

Better MC (Super Optimized)

This Modpack enhances Minecraft's appearance and gameplay while keeping it optimized without reducing the FPS!

1.6kdownloads
AstorClient
1.21.5forge

AstorClient

Configurable client-side HUD, themes, maps, module control and utilities for Fabric, Forge and NeoForge.

1.6kdownloads
All Crafteable Mineral Ore Recipes
1.21.11fabric

All Crafteable Mineral Ore Recipes

Adds a all new recipes and craftings method to Vanilla Minecraft Mineral Ore Block (compatible with versions 1.20 to 26.2

1.5kdownloads
Mob Controller Drowned Spawning
1.21.11fabric

Mob Controller Drowned Spawning

This Mod adds control functions for Drowned Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.5kdownloads
Smoothify: CurseForge Edition
1.21.8fabric

Smoothify: CurseForge Edition

Smoothify optimizes your Minecraft and server connections, making your gameplay smooth.

1.4kdownloads
Maykesh's Overclocked Fabric Optimiser
1.21fabric

Maykesh's Overclocked Fabric Optimiser

Boosts server and client performance by reducing lag, improving tick efficiency, and streamlining heavy workloads. Designed for stability under high‑stress conditions, delivering smoother gameplay and stronger overall throughput.

1.4kdownloads
DH Clientside Pack
1.21.10fabric

DH Clientside Pack

A lightweight modpack that boosts performance and adds subtle quality-of-life and visual improvements.

1.4kdownloads
BetterMon - A Better Adventure [Cobblemon]
1.21.1fabric

BetterMon - A Better Adventure [Cobblemon]

The One and Only Cobblemon Modpack | All 1025 Pokémon Supported | Badges | Optimized Biomes & Structures | Cobblemon-Style Music | Shaders | Optimized

1.3kdownloads
Mob Controller Bat Spawning
1.21.11fabric

Mob Controller Bat Spawning

This Mod adds control functions for Zombie Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.2kdownloads
Stutter Analyzer
1.21.11neoforge

Stutter Analyzer

Detect stutters, freezes, and tick spikes with clear diagnostics and shareable performance reports.

1.2kdownloads
Mob Controller Stray Spawning
1.21.11fabric

Mob Controller Stray Spawning

This Mod adds control functions for Stray Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.2kdownloads
Mob Controller Cave Spider Spawning
1.21.11fabric

Mob Controller Cave Spider Spawning

This Mod adds control functions for Cave Spider Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.2kdownloads
Simple Ping HUD – Real-Time Ping on Your Screen
1.21.1fabric

Simple Ping HUD – Real-Time Ping on Your Screen

Shows real-time server ping as a simple on-screen overlay.

1.1kdownloads
BetterFPS [Fabric]
1.21.8fabric

BetterFPS [Fabric]

A lightweight optimization pack that boosts FPS, reduces lag, and makes Minecraft run smoother without changing the vanilla experience

1.1kdownloads
Item Glow [Fabric]
1.21.10fabric

Item Glow [Fabric]

Adds emissive rendering to items. Items with _emissive textures glow at full brightness in-hand, in GUIs, and when rendered. Client-side, lightweight, and compatible with modded items and resource packs.

1.1kdownloads
Starry Night Gaming - Fabric
1.21.11fabric

Starry Night Gaming - Fabric

A polished Fabric modpack built for the Starry Night Gaming server, focused on exploration, building, quality-of-life improvements, and smooth multiplayer performance.

1.1kdownloads
CobblemonEspanol
1.21.1fabric

CobblemonEspanol

Cobblemon modpack delivering a complete Pokémon experience in Minecraft. Includes performance optimizations, QoL improvements, and enhanced exploration. Balanced for both casual players and dedicated trainers.

1.1kdownloads
Celestial Quest Pack
1.21.1fabric

Celestial Quest Pack

The Celestial Quest Pack transforms your Minecraft adventure with new biomes, advanced crafting, and seamless performance. Explore and thrive in a beautifully immersive world!

1.1kdownloads
Armor Status Like LivingLegendOP
1.21fabric

Armor Status Like LivingLegendOP

Displays your armor durability and status in real time with a clean, lightweight HUD.

1.1kdownloads
Mob Controller Cow Spawning
1.21.11fabric

Mob Controller Cow Spawning

This Mod adds control functions for Cow Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.0kdownloads
Mob Controller Sheep Spawning
1.21.11fabric

Mob Controller Sheep Spawning

This Mod adds control functions for Sheep Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.0kdownloads
FeelsBHaddMan's Client-Side Favorites
1.21fabric

FeelsBHaddMan's Client-Side Favorites

A Fork of the Fabulously Optimized Modpack with a sprinkling of QoL improvements, HUD enhancements, verbose tooltips, shaders, farther renders, animated entities, world and mini map, and many more!

1.0kdownloads
Mob Controller Pig Spawning
1.21.11fabric

Mob Controller Pig Spawning

This Mod adds control functions for Pig Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.0kdownloads
Mob Controller Cat Spawning
1.21.11fabric

Mob Controller Cat Spawning

This Mod adds control functions for Cat Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

1.0kdownloads
BetterUX
1.20.1fabric

BetterUX

A mod that adds various little UX improvements to enhance the overall user experience.

1.0kdownloads
expRepair-multi
1.21.8fabric

expRepair-multi

Take control of your Mending enchantment. expRepair lets you decide when and how your gear gets repaired using your stored XP — no more losing XP to random orb pickups at the wrong time.

971downloads
Mob Controller Chicken Spawning
1.21.11fabric

Mob Controller Chicken Spawning

This Mod adds control functions for Chicken Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2

969downloads
Celestmere-QuickMenu
1.21.8fabric

Celestmere-QuickMenu

Quick Menu Module designed specifically for the Celestmere Server. Optimizes in-server click-based interactions and features. Not compatible with other servers.

966downloads