Minecraft Java 1.21 Mods
Browse 745 free mods for Minecraft Java 1.21 — popular picks include LenkPack, Staff X-Ray, VOID-BOX2.
Updated daily
LenkPack
A collection of mods for Storage, Automation and Performance
Staff X-Ray
A powerful and optimised X-Ray for your server's staff
VOID-BOX2
Adventure, Technology, Magic and many QUESTS! All within one single package with the best possible optimization!
Oh What A World (Season 3!)
Vanilla+ with a heavy focus on performance
ChunkDeleter
Advanced chunk cleaner plugin that deletes unused chunks for Paper/Folia servers
Promethium
Extreme performance meets breathtaking terrain. Promethium blends Terralith & Tectonic with Voxy LODs for infinite view distances. Powered by Sodium & C2ME for a lag-free, cinematic Vanilla+ experience.
2Gather [Aeronautics]
A Create-focused modpack with advanced redstone logic using More Red, magic through Ars Nouveau and Apotheosis, engineering, automation, airships, exploration, and carefully selected mods for a polished, high-performance experience.
Minecraft Revitalized
Minecraft Revitalized brings new life into your world by enhancing every aspect of the game. With stunning visuals, new structures, new biomes, villages enhancements, fresh animations, better combat, wizardry, QOL features and more. Includes server mods.
Orbital Staff
This Mod adds Many New overpowered Items to the game AND MORE!
Cobblemon Lite - Performance Edition
The ultimate lightweight Cobblemon experience for 1.21.1. Extreme optimization with Sodium, ultra-fast loading, and low RAM usage. Ideal for low-end PCs and laptops.
Advanced AFK Zone
A high-performance AFK hub plugin that teleports players to a safe, custom-generated End dimension. Players passively earn Shards over time which can be spent in a built-in GUI shop for premium rewards!
PokéDoge
Cobblemon, Farmer's Delight, Oritech, & Etherology create a well blended pack that mixes Minecraft and Pokémon with technology, magic, exploration, and cozy building!
DrArora Texture Pack
This texture pack is designed for players who enjoy PvP, SMP, and survival while keeping the classic vanilla feel of Minecraft.
Everything from Nothing
A 1.21.11 Expert Skyblock experience built entirely around vanilla mechanics, enhanced only with light QoL & performance mods.
Astruct
Async Structure Generator: build jigsaw structures far beyond vanilla limits with off-thread planning to reduce server lag.
Ecstatic
Extremely lightweight Level Of Detail (LOD) mod that provides near vanilla performance & near instant terrain generation times
Endless City LITE
Turn your world into a vast & endless city, and try to survive this barren landscape. A more performance friendly version.
UnderWorld SMP Modpack
A heavily modded Minecraft experience focused on underground exploration, survival, and community. Dig deep, build creatively, and thrive in a world where the real adventure starts below the surface.
Explorer's Haven
Explorer's Haven is an adventure modpack enhancing exploration, biomes, dungeons, and visuals for smooth performance. Discover new landscapes, battle mobs, and enjoy quality-of-life features while preserving Minecraft’s core experience.
Optimized Animations
A ModPack that make Minecraft more pleasant to look at, this is the optimized version.
SMP Hardcore Aesthia
🎮 Hardcore SMP – Vanilla+ Modpack (1.21.5)🧭 Concept: A lightweight, immersive Vanilla+ experience focused on survival intensity, exploration, and atmosphere — perfect for Hardcore mode. Adds depth without straying too far from Minecraft’s essence.
BetterReset
Minecraft plugin that lets you safely reset a world’s Overworld, Nether, and End while the server is running, with player protection, async deletion, and full regeneration in one command or GUI.
Ban bat
Do you hate these annoying little pests? This mod/datapack can make them disappear!
Stellar Wynn
This pack has been optimized and hand tailored for the best Wynncraft gameplay!
G1axWorldGenerator
G1axWorldGenerator is an open-source Minecraft world generation plugin designed to create biome-aware, layered terrains with realistic hills, valleys, and block depth structures.
WorldResetPlugin
Easily reset and regenerate worlds by command.
Roziaria
Built around the Create mod and its addons, with 70+ new biomes, new structures and Fresh Animations, while staying mostly lag free! Now with Modular Backpacks.
Hearthgrove Cobblemon
The Official Modpack for the Hearthgrove Minecraft Server! Adds new biomes, dimensions, pokemon, breeding, shiny hunting methods, and more! (Required for full access to the CobbleCubs server)
Better MC : Hunter's Edition
A lightweight yet immersive survival modpack that transforms Minecraft into a rugged hunter’s journey — no magic, no fluff, just exploration, danger, and the thrill of the hunt.
G1axFixer
G1axFixer is a client-side Fabric mod that fixes resource pack crashes and optimizes network, rendering, and ticking for maximum FPS and smooth combat.
PolarConverter
The Fabric Mod will Convert your Worlds into Polar
Terratec
A Vanilla+ pack with a stunning new world generation!
CobbleRegions
Server-side Cobblemon sidemod that adds region-based level caps with per-player progression.
Kelly's Origins+
Simply contains Origins and optimization. Nothing unnecessary.
COBBLEMON DEFINITIVE
COBBLEMON definitive on 1.21.1 (Fabric). Optimized pack with +70 QoL and performance mods (High FPS). Includes mounts, legendary Pokémon, and new challenges. The smoothest, most stable, and immersive Pokémon adventure. Multiplayer ready!
Sneykor's Cobblemon online
The modpack contains mods that allow you to have fun playing the Cobblemon mod. There is a new world generation, improved content with Pokémon (Pokémon riding, TM/TR, items, regular and legendary Pokémons), farming, building blocks and storage systems etc.