Minecraft Java 1.21 Mods
Browse 2,192 free mods for Minecraft Java 1.21 — popular picks include PicoMC, RC Cobblemon, Cozy Survival.
Updated daily
PicoMC
Pico optimizes your Minecraft server to run on as little as 512mb RAM.
RC Cobblemon
The easiest and fastest way to install the latest fabric Cobblemon! This Pack also provides a server to offer the best multiplayer experience.
Cozy Survival
This modpack aims to add lots of Vanilla QoL Features
Reflex Pvp Optmized
Reflex PvP Optimized delivers high FPS, smooth gameplay, combat HUDs, and a clean vanilla+ PvP experience.
Give Me More Graphics
Give Me More Graphics is a Fabric 1.21.11 modpack that upgrades Minecraft’s visuals with better particles, foliage, lighting, ambient audio, and animation polish while keeping core gameplay vanilla-friendly, performance-balanced, and shader-ready through o
Durability Guard
A Mod so you dont lose your Pickaxe anymore. It disables your Tools when your Durability low is.
Ultimate Creative
Experience the ultimate creative building experience with a perfect balance of optimisation and building mods, with many more to come!
STpa
A modern, lightweight, and fully configurable TPA plugin featuring GUI‑based and chat‑based request handling, instant toggle commands, and an intuitive toggle GUI for complete teleport control.
Upgrade Furnace
A PaperMC 1.21.4 plugin to upgrade furnaces for faster smelting and bonus yields.

SPK Server Mod Pack
The original power generation-oriented mod pack for players in Saint PeteKun, compiled by Ch1m4.
The Chill Out
Official Mod Pack for The Chill Out - Community SMP/RP Server!
LazyTurtle:Lowest Imagined
This modpack is designed to optimize performance, increasing FPS from 30 to at least 150, even on older hardware. Continuous improvements are being made to enhance stability, efficiency, and overall performance.
SMPShield
Opens an API for real-time server CPU, memory, TPS usage, and player information, enabling efficient monitoring and management of your Minecraft server.
EquinoxxMC
The official pack of the EquinoxxMC minecraft server!
MyTPA
Simple and balanced TPA.
Jagrav Optmized [NeoForge]
A fork of Jagrav Optimized for NeoForge, This is a lightweight optimization modpack with crazy optimization and fun gameplay
Create Technical Foundry: Minimal Pack
The minimal pack for the Create Technical Foundry servers, meant to be lightweight but still functional.
Creator Optimized
Creator Optimized: is a lightweight, performance-focused Minecraft modpack designed to deliver smooth gameplay, enhanced visuals, and quality-of-life improvements without compromising the vanilla feel.
CorruptionCraft
A plugin that challenges players. Random events can occur. (no Spoilers!)
MCStudio
A "creator-first" toolkit designed to make the process of video and world creation easier
MrChipdip's Building Pack
An Advanced Building Modpack
Cooldown Manager
Manage cooldowns for items, commands, and with api
SpudCraft
A create based mod pack that is focused on progression via relics, structures, bosses, armor & tools and more! a curse forge port is planned.
mcsl
MCSL is a dedicated server admin tool that lets you share your console logs, crash logs, timings, latest log and more. The platform allows sharing and management logs much easier.
Frosted Axis
Frosted Axis is a NeoForge 1.21.1, winter-themed Create-heavy modpack that blends industrial automation (trains/cannons), harsher cold survival, richer worldgen, and polished immersive performance.
The Gentle Odyssey
Cobblemon Vanilla+ Forever World Modpack
Anti Snowballs
Anti Snowballs is a Minecraft 1.21 client-side utility mod designed to combat the devastating lag caused by snowball generating machines, such as snow golem-based exponential lag farms.
All Round Modpack
A wonderful modpack that works for content creators, or people who like to play around with friends!

Phantom Loot
👻 PhantomLoot PhantomLoot is a lightweight, high-performance, 100% server-side instanced looting mod designed for modern Fabric servers (1.21.11, 26.x)
AntiFarmReloaded
AntiFarm Reloaded is an anti-farm plugin that blocks and prevents AFK mob farms, villager exploits, and automated resource generation across all major gameplay systems.
Baris Keser Tools
BarisKeserTools is an admin plugin that combines a variety of fun and destructive activities for your server with useful commands designed to simplify management and improve server performance. It supports forks such as Paper, Spigot, and Purpur.

Crucial Pure
This is an alternate version of crucial that focuses less on quality of life and visuals but more on pure performance, squeezing every last ounce of it out of whatever you are gaming on!
CREATE NORTHSTAR AND SUSHI
Stupid ahhh create modpack with me and le g's
Geyser Offhand
Allows Bedrock players to place blocks using their left hand via Geyser.
Retro Mango ModPack
A server ready Minecraft modpack focused on exploration RPG progression and smooth performance featuring reworked terrain sprawling structures dungeons and villages in a living evolving world
Health Status Indicator
A simple Minecraft HUD addon showing classic-style health, and status effects with a clean and optimized design. Lightweight, responsive, and perfect for survival, PvP, and modded gameplay.