Minecraft Java 1.21 Mods
Browse 12,087 free mods for Minecraft Java 1.21 — popular picks include Harbor Folia, Smallifium NeoForge, NB Perfect Pack.
Updated daily
Harbor Folia
A Folia/Canvas port of Harbor for accelerated night skipping on Minecraft 26.1.2 servers.
Smallifium NeoForge
A fork of my other optimization modpack Simplifium that removes all of the QoF mods and just leaves the actual optimization mods.
NB Perfect Pack
a modpack that makes me enjoy mc
Mostly.Vanilla
A MOSTLY Vanilla modpack that makes Minecraft Vanilla better
Unreal Vanilla: Recrafted
Unreal immersive elements + QOL improvements while retaining the feel of vanilla. Rebuilt from the ground up for the latest version of MC!
LagFree
A lightweight lag-fixing plugin for Paper/Spigot that clears items and stabilizes TPS.
S3 Junior ImagineerSMP
Where you build your true imaginations!
HyskBlockUpdateInhibition
blocking neighbor updates caused by block replacements.
BetterCrafting | Custom Recipes GUI | 1.21.x | By Joxelol
The ultimate and optimized engine for creating custom recipes with a graphical interface.
FabricSewn
Fabric Sewn is a performance‑focused Fabric modpack that combines FPS-boosting optimizations, immersive visuals, enhanced animations, and creative tools, along with new foods, quality-of-life improvements, and automation mods for a smoother, more engaging
Optimized Modpack but good
Removes annoyances, makes the game more like 1.8
Ariyandcoder Special
A client side modpack for an optimized gameplay
vMaiOpt
Advanced adaptive mob AI optimizer that dynamically reduces entity lag based on server TPS while maintaining smooth gameplay.
RedFreez
Plugin that finds possible redstone lag makers and gives owner ability to freeze them.
CoreDefender
CoreDefender is built for server owners who want stability under real player load.
CoAllianz
The Modpack for the COA Community
Better optimization by ky6oe6
Modpacks for an optimized and enjoyable game..
GitWorlds
A Simple World Version control with Github.
Resources Tracker
Big brother is watching YOU forever.
SugarCaneHarvester
A light weight mod that helps you with harvesting Sugarcanes. Client Sided.
Simply The Mods
simply the mods you need
Skyblock Infinite: Skybound Spelunking Addon
A Simple Ore Crafting Addon Mainly For Skyblock Infinite but can be used for other things!
Bedwar Ultimate
A clean, minimal Bedwars PvP texture pack featuring a custom UI, optimized visuals, and support for the latest Minecraft versions.
Halbast PVP Modpack
A PVP Modpack For Minecraft PVP, with optimization mods and etc of pvp stuffs.
FPS Flood: Cobblemon
Adds Cobblemon to FPS Flood by PixelForge Collective.
My Vulkan Modpack
A VulkanMod modpack that runs well.
Celesteria: Steamed
Celesteria: Steamed is a Minecraft modpack focused on engineering and creativity, built around the Create mod and Create Aeronautics. It lets players design automated machines, complex factories, and working aircraft in a physics-based sandbox.
Too Much Optimisation
Tooo much optimisation to make any potato pc or laptop actual launch minecraft
MAutoBroadcast
A high-performance, GUI-driven automated announcement system. Fully customizable intervals and messages with zero performance impact.
Performance_II_
A simple modpack full of Mods that make your game run smoother
MaddieCraft
Client side improvements for maddiekuma minecraft server.
1.21 GameRules Restore
1.21 GameRules Restore brings back the original behavior of selected gamerules from version 1.21 that were changed in Minecraft 1.21.11. This allows servers to keep the old mechanics without downgrading the game version.
gulu gulu Modpack
gulu gulu modpack makes game performance by increasing FPS, reducing lag, and making gameplay smoother. It focuses on stability and efficiency while keeping the original game experience intact.
Just Performance!
This mod pack adds several other mods that optimize the game in different ways, without changing the gameplay or graphics.
SupiOptimized
Vanilla-like experience with performance Mods.
ACDC SMP QoL ModPack
This mod-Pack is the official mod-pack of the ACDC SMP! It contains a lot of Quality of Life Mods and performance improvements for vanilla Minecraft. This mod-pack does not impact any gameplay aspects and is made to work on vanilla Minecraft servers.