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Minecraft Java 1.21 Mods

Browse 12,087 free mods for Minecraft Java 1.21 — popular picks include Aji-Maji, Wool Revamped, Simple World Anti-Lag.

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Aji-Maji
1.21fabric

Aji-Maji

A mod inspired by classical performance magic. Think top hats, card decks, magic wands, and flying carpets!

4.1kdownloads
Wool Revamped
1.21.11

Wool Revamped

Ultimate Wool Overlay for Minecraft Bedwars | FPS Boost

4.1kdownloads
Simple World Anti-Lag
1.21.5

Simple World Anti-Lag

Clears entities from the world without affecting your farms and other improvements

4.1kdownloads
BetterStasis
1.21

BetterStasis

Pearl Stasis Fix is a lightweight, high-performance Minecraft plugin for Paper 1.21+ that adds a clean and reliable ender pearl stasis chamber system without needing any entities to stay loaded.

4.1kdownloads
Tweaks
1.21.11

Tweaks

An Essentials-like, must have command collection for your minecraft server

4.1kdownloads
MultiYggdrasil
1.21.5fabric

MultiYggdrasil

A mod that can provide multiple Yggdrasil servers.

4.1kdownloads
Turtle's Performance Pack (TPP)
1.21.1fabric

Turtle's Performance Pack (TPP)

A bunch of mods that I use to improve my QOL and performance in minecraft.

4.1kdownloads
CCNet Fabric
1.21.11fabric

CCNet Fabric

The unofficial modpack for CCNet. CCNet Nations is a unique geopolitical roleplay sandbox server set on a 1:1000 map of the Earth.

4.1kdownloads
Sem's Immersive Weather (OVERHAUL)
1.21.1neoforge

Sem's Immersive Weather (OVERHAUL)

An immersive and optimized modpack featuring ProtoManly's Weather Mod.

4.1kdownloads
onions-utilities
1.21.11fabric

onions-utilities

Modpack providing utility mods for optimization and any kind of playing: Survival, Building, PVP

4.1kdownloads
RoomCull
1.21neoforge

RoomCull

Room-based occlusion culling for Minecraft 1.21.1 - improves performance by hiding geometry outside detected room boundaries.

4.1kdownloads
Universal Blocking
1.21.1fabric

Universal Blocking

🗸 Ultimate server-side control mod for Minecraft. Block any item, block, craft, or mob spawn using 11 configurable flags, wildcards, and tags. Hide items from Creative tabs and JEI and etc.

4.1kdownloads
Star Optimized[Fabric]
1.21.5fabric

Star Optimized[Fabric]

FPS Boosting Modpack on Fabric

4.1kdownloads
Cobbleboost
1.21.1fabric

Cobbleboost

CobbleBoost is a client-side Fabric mod for Minecraft 1.21.1 that optimizes performance when playing with Cobblemon 1.7.

4.0kdownloads
TPA+
1.16

TPA+

A highly optimized teleportation + Sethomes plugin

4.0kdownloads
Blocktopia Pack
1.21.10fabric

Blocktopia Pack

Official modpack of the Blocktopia server, managed by the admins of Minecraft Portal comunity of X/Twitter. It includes various optimization mods, visual enhancements, and custom screens with unique features that will assist with gameplay on the server.

4.0kdownloads
Lite Legacy
1.21.10fabric

Lite Legacy

A Performance friendly alternative to other Legacy4J based modpacks. Relive the LCE experience in a way that prioritizes performance!

4.0kdownloads
Create 0.6 Optimized
1.21.1neoforge

Create 0.6 Optimized

The best pack for an Optimized and Lag-free Create Experience!

4.0kdownloads
Sword Optimizer
1.21.9fabric

Sword Optimizer

Processes sword swings instantly on your screen instead of waiting for the server, removing combat lag on high ping.

4.0kdownloads
ShieldStatus Mod
1.21.4fabric

ShieldStatus Mod

This mod adds a simple color indicator — green when your shield is active, red when it’s disabled or recharging. Perfect for PvP and survival players who want better combat awareness without clutter.

4.0kdownloads
CPVP Essentials
1.21.11fabric

CPVP Essentials

CPVP Essentials includes all the mods you need for Crystal PvP in one Modpack.

4.0kdownloads
World-Editor+
1.21.8fabric

World-Editor+

A Fabric modpack focused on world editing, image importing, and enhanced building tools. Perfect for creators, builders, and large-scale projects.

4.0kdownloads
Rede Moby FPS+ Turbo  Boost Utilits
1.21.1fabric

Rede Moby FPS+ Turbo Boost Utilits

The "RedeMoby utils" mod for Minecraft is an essential addition for players looking to improve performance and reduce lag in their game. The mod uses advanced optimization techniques to reduce the processing load and improve the smoothness of the gameplay

4.0kdownloads
Vulkan Plus QoL
1.21.11fabric

Vulkan Plus QoL

An Optimization Modpack using the Vulkan Rendering Engine with Quality of Life Features

4.0kdownloads
ESSENTIALS Shader
1.17

ESSENTIALS Shader

A lightweight Minecraft shader with only essential VFX to simulate realistic effects such as shadows, rays, etc., to run on integrated GPUs.

4.0kdownloads
Better Anchors
1.21fabric

Better Anchors

A mod that prevents accidental overcharging of respawn anchors during fast-paced CPVP by automatically blocking glowstone placement once your charge limit of(1 or 2 Glowstone ) is reached.

4.0kdownloads
Leave This, GoBack!
1.21.11fabric

Leave This, GoBack!

Pressing on a slot twice returns you back to the previous slot. Useful for attribute swapping / quick tool swapping / mace pvp

4.0kdownloads
⚡HyperShader⚡
1.21.11

⚡HyperShader⚡

Hyper-realistic visuals with smooth FPS — built for low-end PCs. Tune every detail in-game: water, lava, sun, moon, stars and more.

4.0kdownloads
Not Enough Bandwidth Legacy
1.21.1neoforge

Not Enough Bandwidth Legacy

NEBL uses various methods to save network traffic during Minecraft gameplay.

4.0kdownloads
Better Advancement Info
1.21.11fabric

Better Advancement Info

Better looking advancement mod

4.0kdownloads
Vulkanic Optimizations
1.21.1fabric

Vulkanic Optimizations

is a VulkanMod based performance modpack, carefully crafted together to achieve superior performance compared to others.

4.0kdownloads
infinitystacks
1.21.11fabric

infinitystacks

Fully client-side infinite stack (AutoRefill) Armor HUD: Real-time durability display for your equipped helmet, chestplate, leggings, and boots.

4.0kdownloads
VertaLux
1.14

VertaLux

A beautiful, shaderpack in development. Experience stunning lighting, atmospheric shadows, and breathtaking golden hour sunsets!

4.0kdownloads
Mob Lite - Discontinued
1.21.11forge

Mob Lite - Discontinued

It allows you to modify the spawn limit and the spawn limit of each specific entity in real time using commands

3.9kdownloads
PojavLauncher Optimized Lite
1.21.1fabric

PojavLauncher Optimized Lite

A smaller version of PojavLauncher Optimized.

3.9kdownloads
Server Optimized
1.21.1fabric

Server Optimized

Server Optimized is modpack made to improve server performance (it's also useable on client)

3.9kdownloads