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Fabric Mods for Minecraft 1.21

Browse 635 free Fabric mods for Minecraft 1.21 — popular picks include ProjectileSpeedLimiter, HyskBlockUpdateInhibition, Seamless Survival Overhaul.

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ProjectileSpeedLimiter
1.21fabric

ProjectileSpeedLimiter

Limits speed values in Minecraft to reasonable values to prevent a server crash whilst using experimental minecarts.

68downloads
HyskBlockUpdateInhibition
1.21.11fabric

HyskBlockUpdateInhibition

blocking neighbor updates caused by block replacements.

67downloads
Seamless Survival Overhaul
1.21.1fabric

Seamless Survival Overhaul

A modpack designed to enhance and deepen the survival experience, adding new challenges, mechanics, and immersive features.

66downloads
Optimized Performance Pack
1.21.11fabric

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

62downloads
Climbable Powder Snow
1.17fabric

Climbable Powder Snow

makes it so you can climb powder snow

60downloads
SBFixes
1.21.11fabric

SBFixes

Fixes some annoying issues in Hypixel Skyblock

59downloads
VeryOptimizedFabric
1.21.11fabric

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.

59downloads
Protect My Redstone
1.21.11fabric

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.

58downloads
Vanilla Protocol
1.21.10fabric

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.

58downloads
Villera
1.21.11fabric

Villera

Turn villages into living economy hubs with biome-adaptive banks and markets, secure currency, rentable chunk claims and performance-friendly stacked spawners

57downloads
MrCyborg's SBM
1.21.10fabric

MrCyborg's SBM

QoL and more mods for Hypixel's Skyblock

54downloads
Flumior
1.21.1fabric

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.

54downloads
Refined Fluid Substitution
1.21.1fabric

Refined Fluid Substitution

Adds a fluid substitution pattern, allowing fluids to be used directly instead of buckets to Refined Storage

53downloads
Quick leave
1.21fabric

Quick leave

This project allows you to leave quicker in Minecraft 1.21! (Aswell as an added Always Sprint Option)

52downloads
ExpeditionCraft
1.21.4fabric

ExpeditionCraft

the best experience for playing on expeditioncraft

52downloads
NoAI and extended beacon range
1.21.10fabric

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

51downloads
QuirkOptimizations
1.21.4fabric

QuirkOptimizations

A mod that increases the speed of EVERYTHING in Minecraft, from Texture Pack loading speed, up to keyboard delay.

50downloads
MoreTabs
1.21.4fabric

MoreTabs

Increases the maximum player tabs from 3 to 12

50downloads
KnowledgeClock
1.21.1fabric

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

50downloads
2x2 Tunnel Dig
1.21.1fabric

2x2 Tunnel Dig

A Fabric mod that restricts block breaking to a 2×2 tunnel, making straight tunnel digging easier.

48downloads
CreeperBoom
1.21.4fabric

CreeperBoom

Control the behavior of Creepers after exploding

48downloads
Item Despawn Notifier
1.21.11fabric

Item Despawn Notifier

A mod that notifies the player whenever an item entity despawns in the world.

45downloads
JAAM (Just Another Ambiance Modpack)
1.21.1fabric

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.

45downloads
ZetusPack
1.21.1fabric

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.

44downloads
KlaxUtils
1.21fabric

KlaxUtils

This mod gives optimizes your t0tem poping to perform more in crystal or spanish boxpvp.

40downloads
technis
1.21.4fabric

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.

40downloads
Hammer Editor
1.21.1fabric

Hammer Editor

A mod for creating maps, the mod is in active development.

39downloads
No Ominous Banners
1.21.11fabric

No Ominous Banners

Pillager Captains no longer drop their banners upon death. This ensures unclogged farms and boots performance

37downloads
aintafk wobblemod
1.21.11fabric

aintafk wobblemod

it randomly looks at blocks and looks back basically undetectabale for smps

37downloads
Miscrafted
1.21.8fabric

Miscrafted

Crafting recipes for items that should already have a recipe.

34downloads
Tick freeze by start
1.21fabric

Tick freeze by start

standart tick is 0 and ingame tick stop & start

33downloads
NoLogMessage
1.21.4fabric

NoLogMessage

Prevents chat and game messages from being saved to the client log files

33downloads
TERRADRILL
1.21.8fabric

TERRADRILL

Forget ordinary pickaxes! TerraDrill introduces high-performance tools that use energy cores to excavate with speed and thermal efficiency.

32downloads
Cobalt Age
1.21.11fabric

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.

30downloads
Craftable honey bottles
1.21.9fabric

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.

4downloads
AstraWare Client Mod (1.21.4) – Upgraded Astralux Client
1.21.4fabric

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 […]