Quilt Mods for Minecraft 1.21
Browse 227 free Quilt mods for Minecraft 1.21 — popular picks include Methane, Flowing Fluids, Hide Item Frame.
Updated daily
Methane
Explosive optimisations for your favourite block game.
Flowing Fluids
Gives fluids realistic flowing physics, making them mostly finite. With various settings for performance, visuals, and gameplay interaction.
Hide Item Frame
Hide the frame if it contains an item
- FPS Booster - Lag Killer
powerful client-side performance FPS booster
Zombie Horsemen
Zombie Horsemen is a Minecraft datapack that introduces a new surprise event similar to the Skeleton Trap. When triggered, a zombie riding a zombie horse, equipped with an iron helmet, iron axe, and shield, will spawn to challenge players.
Ore Plus (Legacy)
This datapack incresses vanilla ores generation in Minecraft by adding custom configurations for the Vanilla Ores, making them generate more frequently.
Better Underground Caves
Optimize the original cave terrain and add large underground cave terrain.
Sodium/Embeddium Device Check
A Minecraft mod can check you device
Compact F3 Plus
a mod that replaces the vanilla F3 with a clean, minimal hud overlay.
NoDynamicFps
Adds an option to disable Vanilla's Dynamic FPS implementation
Jasione
Reduce GC pressure by safely eliminating Enum#values array cloning and memory allocation overhead through bytecode analysis
Too Much XP (TME)
Yeets the laggy XP orbs, whilst still maintaining a high level count
Chunky Offline
An add-on/extension of Chunky to generate chunks when no players are online.
Mob Stacker Ind.
Greatly increases performance by merging/stacking nearby mobs, reducing the physical number of entities in the world. Hypothetically 2147483646 times better performance.
Classic Enchanted Golden Apple Crafting
Bring back the classic recipe for Enchantment Golden Apple!
CIT Reborn
Mod for return support CIT Optifine Resource pack's
Cauldron Concrete Powder
CauldronConcretePowder is a simple Datapack created to add to possibility for players to drop concrete powders directly in water cauldrons to transform them. Datapack optimized as much as possible. Working faster than VanillaTweaks' one.

Redstone Sound Slider
Adjust your piston / dispenser / trapdoor / buildstone volume separately from other blocks.
NonUpdate Reloaded
Blocking network connections to prevent update checks and reduce Minecraft startup time
BandwidthOptimizer
Save your MC bandwidth with big quantities.
Incendium Translation Fix
Fixed the incorrect translation keys for some loot items in Incendium's structures, and also resolved critical bugs related to Sentry's Wrath and Firestorm.
Block Entity Render Distance
Limits the rendering distance of Block Entity
Recoleta
A pure memory reduction mod for Minecraft

Just A Baguette
Adds just one item to the game: A Baguette.
BactroTweaks
Fullbright, low fire, low shield, no fog, no pumpkin blur and more all in one mod!
ItemClearLag [ICL]
ItemClearLag (ICL) is a Minecraft mod designed to improve server performance by periodically removing items from the ground.
RAMization
RAMization focuses on optimizing RAM usage, which is especially noticeable in large modpacks!
Tables & Chairs 2
Modular, functional, and customisable tables and chairs for your Minecraft game, built from the ground up for performance. Vanilla furniture originally based on Axel's Tables & Chairs!
Minecraft SQLite JDBC
Up-to-date SQLite JDBC driver wrapped as a universal Forge/Fabric/Bukkit library for plugins like Dynmap and Grim.
Player Visibility
Player Visibility is a fabric mod for Minecraft to hide other players and entities at a press of a key!
Resource Trimmer
Reduces network overhead by removing the namespace from vanilla resource locations.
Don't Do That
Stops Minecraft from doing certain annoying things.
QuickZoom
🔍 Adds a smooth zoom feature by pressing C. Lightweight, client-side only, and compatible with most modpacks. Perfect alternative to OptiFine zoom!
Exploitation Timer
A multiloader mod that displays the time at which TNT will explode.
Chronos Client
Your go-to performance booster for Minecraft.
Aligner
Fixes the weird graphical glitch that causes lines to appear when hovering the crosshair above a block in 1.21.11+ with MojoLauncher and LTW