Fabric Mods for Minecraft 1.21
Browse 635 free Fabric mods for Minecraft 1.21 — popular picks include ProjectileSpeedLimiter, HyskBlockUpdateInhibition, Seamless Survival Overhaul.
Updated daily
ProjectileSpeedLimiter
Limits speed values in Minecraft to reasonable values to prevent a server crash whilst using experimental minecarts.
HyskBlockUpdateInhibition
blocking neighbor updates caused by block replacements.
Seamless Survival Overhaul
A modpack designed to enhance and deepen the survival experience, adding new challenges, mechanics, and immersive features.
Optimized Performance Pack
This project has every mod that you need to play Minecraft or these mods are also optimize your game even in low end PC
Climbable Powder Snow
makes it so you can climb powder snow
SBFixes
Fixes some annoying issues in Hypixel Skyblock
VeryOptimizedFabric
The goal of this modpack is simple: maximize FPS, reduce lag spikes, and improve overall responsiveness while keeping the game visually clean and mechanically vanilla-friendly.
Protect My Redstone
A singleplayer mod that detects active redstone ticks in loaded chunks and warns you before you log out to avoid breaking your farms/flying machines.
Vanilla Protocol
A server-friendly, vanilla-compatible modpack that retains the core Minecraft experience while improving performance, visuals, quality-of-life, and building tools, without altering vanilla gameplay or mechanics.
Villera
Turn villages into living economy hubs with biome-adaptive banks and markets, secure currency, rentable chunk claims and performance-friendly stacked spawners
MrCyborg's SBM
QoL and more mods for Hypixel's Skyblock
Flumior
Summary: The Flumior Mod Pack enhances Minecraft by optimizing performance, improving world generation, and adding new structures and mechanics, resulting in a more engaging and enjoyable gameplay experience.
Refined Fluid Substitution
Adds a fluid substitution pattern, allowing fluids to be used directly instead of buckets to Refined Storage
Quick leave
This project allows you to leave quicker in Minecraft 1.21! (Aswell as an added Always Sprint Option)
ExpeditionCraft
the best experience for playing on expeditioncraft
NoAI and extended beacon range
A simple server sidded mod which removes villager ai when named with a "NoAI" nametag, and beacon range extended to 150 blocks
QuirkOptimizations
A mod that increases the speed of EVERYTHING in Minecraft, from Texture Pack loading speed, up to keyboard delay.
MoreTabs
Increases the maximum player tabs from 3 to 12
KnowledgeClock
A client-side Fabric mod that tracks Knowledge cooldowns for skill progression on servers using a Knowledge-based system. Only functional with my Knowledgebound mod
2x2 Tunnel Dig
A Fabric mod that restricts block breaking to a 2×2 tunnel, making straight tunnel digging easier.
CreeperBoom
Control the behavior of Creepers after exploding
Item Despawn Notifier
A mod that notifies the player whenever an item entity despawns in the world.
JAAM (Just Another Ambiance Modpack)
A curated mix of action, movement, and animation mods that bring Minecraft to life with fluid gameplay and immersive mechanics.
ZetusPack
ZetusPack is a lightweight client-side pack that improves performance, visuals, and overall gameplay comfort, without changing core mechanics and fully compatible with servers.
KlaxUtils
This mod gives optimizes your t0tem poping to perform more in crystal or spanish boxpvp.
technis
TECHNIS is a voice-activated AI assistant for Minecraft 1.21.4 - like Jarvis. Speak to the mic, TECHNIS sees your inventory, health, mobs, and replies with speech. Animated orb HUD, proactive alerts, info panel, in-game config. Requires Groq API key.
Hammer Editor
A mod for creating maps, the mod is in active development.
No Ominous Banners
Pillager Captains no longer drop their banners upon death. This ensures unclogged farms and boots performance
aintafk wobblemod
it randomly looks at blocks and looks back basically undetectabale for smps
Miscrafted
Crafting recipes for items that should already have a recipe.
Tick freeze by start
standart tick is 0 and ingame tick stop & start
NoLogMessage
Prevents chat and game messages from being saved to the client log files
TERRADRILL
Forget ordinary pickaxes! TerraDrill introduces high-performance tools that use energy cores to excavate with speed and thermal efficiency.
Cobalt Age
An expanded redstone, up to 60 power lenght, waterloggable, optimized, with vertical relays, incompatible with redstone, and blue! It comes with minerals and block sets.

Craftable honey bottles
Adds a crafting table recipe for honey bottles (3 honeycomb + 1 glass bottle = 1 honey bottle). Works alongside the vanilla method — nothing's removed. Datapack only, no mods needed.
AstraWare Client Mod (1.21.4) – Upgraded Astralux Client
AstraWare Client Mod is a powerful and feature-rich PvP client designed for high-level combat, focusing on Crystal and Anchor automation with advanced optimization and exploit-based mechanics. It stands out with its server-specific configs, smooth combat assistance, and strong visual awareness tools. Features: Advanced Crystal & Anchor PvP (AutoCrystal, DoubleAnchor) Smart automation (AutoTotem, AutoTrap, AutoWeb) Latency […]