Minecraft Java 1.21 Mods
Browse 147 free mods for Minecraft Java 1.21 — popular picks include SimpleChunks, Vanilla Plus by TheW4NT, CyberWorldReset.
Updated daily
SimpleChunks
An easy-to-use chunkloader with a modern GUI, teleport system, and secure permission management — ideal for farms, redstone, and automated systems.
Vanilla Plus by TheW4NT
This is a modpack that adds and alters mechanics and structures from vanilla Minecraft, making survival more challenging and offering a world with a wider range of exploration without being excessive.
CyberWorldReset
Easily reset a world with a scheduler or a specific time/date and more!
Godmode- wither rework
This mod entirely reworks the wither boss in minecraft, with custom loot, moveset, etc
Titanroot Skies
A Minecraft society modpack with a focus on mechanical engineering, exploration, and rpg elements.
Structure Overload
Transforms your Minecraft world into an endless sprawl of structures, spawning vanilla dungeons at every step without compromising game performance.
Entity Block
Adds the Entity Block to make creating custom structures easier
LightLevelDisplay
Toggle light level visibility for safer exploration.
NerdSoft Kitchen
A performance-first cooking overhaul: a hand-fed grill table, four new crops, and a refillable Iron Cup
SeeMoreNext
Per-player server view distance optimization based on client settings. Fork of SeeMore maintained for Paper 1.19-26.2 and Folia.
THE HORRORS BUT BETTER
THE HORRORS adds 4 new biomes more blocks more crafting tables like the de-radioactivator and the improved smelter and the fabricator and it adds more mobs and it is only to get updated more! updates: the start ,NUCLEAR WARNING!!!!!
Improved Structures & Dungeons
The combination of all minecraft Structure & Dungeons Data Pack
世界存档优化器(自动异步保存)
世界存档优化器，可以自动保存您的服务器世界，采用异步保存。World Archive Optimizer, can automatically save your server world using asynchronous saving. Bukkit 1.21
WorldPreventer
Prevents your Worlds from being downloaded
Villera
Turn villages into living economy hubs with biome-adaptive banks and markets, secure currency, rentable chunk claims and performance-friendly stacked spawners
No Ore/removal of ore
this mod does not reduce ore, it completely removes all ore from the game; from diamonds to nether quartz
Survival Nerf
Minimalistic vanilla-flavored design and balance overhaul. Mostly reverting bad decisions the devs have made. Intended for use with Etomb's Better Survival modpack.
Very Much of Create
A massive Create-focused modpack that expands automation, transport, and industry to the extreme. Featuring dozens of Create add-ons, new biomes, food systems, and performance optimizations — perfect for building huge factories, trains, and mechanical worl
AltWorld
AltWorlds is a Minecraft plugin that lets players create and manage personal worlds with a GUI.
Cobalt Age
An expanded redstone, up to 60 power lenght, waterloggable, optimized, with vertical relays, incompatible with redstone, and blue! It comes with minerals and block sets.
No Nether RoofSpawns
A lightweight Fabric mod that intelligently controls mob spawning on the Nether roof
Cristalxal
Taiga update mod, which also adds new structures and weapons
Optimized Performance Pack
This project has every mod that you need to play Minecraft or these mods are also optimize your game even in low end PC
twinkle popo mod
it adds twinkle popo realistic pikachu and realistic hellokity
javaTNT
javaTNT – Realistic TNT explosions with craters, just like vanilla Java, optimized for Paper servers.
Flumior
Summary: The Flumior Mod Pack enhances Minecraft by optimizing performance, improving world generation, and adding new structures and mechanics, resulting in a more engaging and enjoyable gameplay experience.
ElraRTP
Community-maintained fork of the RTP plugin with support for Minecraft 1.21+
CobbleAstra
Cobble Astra is a compatibility datapack for Cobblemon and Ad Astra, designed to make Pokémon adventures work naturally across the planets. It adds themed Pokémon spawns to Ad Astra planets and many other features.
shepherds house repair
Fixed the issue where the Shepherd house could not be generated
New Chunk Alerts
A Paper server plugin that notifies players when they are generating brand-new chunks! Let players on your server know when they are exploring uncharted and unlooted territory with little to no impact on performance.
OldFashionedLimits
Old fashioned height limits (from pre-1.17 versions)
OldYLevels
Changes the Overworld height to the old Y range, 0-256. This will basically crop off parts of your world if you don't pregenerate the world on an earlier version of the game.
TNT Regeneration
Automatically regenerates blocks destroyed by any type of explosion (TNT, Creepers, Ghasts, Withers, etc.) with configurable delays and smart detection.
Netherite Blocker
This datapack completely prevents Ancient Debris (Netherite ore) from generating in newly created Nether chunks. It works by overriding the vanilla placed features that control where and how Ancient Debris spawns.
Chunk Cleaners
A performance focused, highly optimized, chunk cleaner plugin for Paper 1.21+ that allows players to remove all blocks and entities within a chunk. This is a well sought after feature for Factions and Survival servers.
Simply Better : a simple experience(kinda)
this modpack simply makes minecraft better by adding new structures, new mechanics, new equipment and new mobs without making it too complex.(simply better, duh)