Minecraft Java 1.21 Mods
Browse 3,387 free mods for Minecraft Java 1.21 — popular picks include ChunkDeleter, CraftyAI, Mini Wood Factories.
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ChunkDeleter
Advanced chunk cleaner plugin that deletes unused chunks for Paper/Folia servers
CraftyAI
A free, intelligent AI companion for Minecraft. Talk naturally, scan blocks, and more in chat!
Mini Wood Factories
Welcome to the 1.21+ Mini Wood Factories! Enjoy building with unlimited supplies of wood!
Setsumeisho
Recreate the instructions from Eufonia Studios that were used in Squid Craft Games and DEDsafio
Create: Smoke Stacks - Lite
If you've built a steam boiler in Create to drive engines, this mod makes it look and feel like a real, working piece of industrial machinery: smoke rises from it while it's running, just like a real boiler or chimney would.
PlayerBatch
PlayerBatch is a Minecraft mod by W4Whiskers that depends on Carpet and allows you to summon multiple bot players at once. It supports up to 256 bots by default, with the limit configurable in the config files.
LagShield Ultimate (Anti Lag)
The intelligent performance modulator for Minecraft Server. LagShield Ultimate uses Arclight-safe async processing to dynamically regulate mob AI, chunk density, and entity speed based on real-time server stress (MSPT). Stops lag before it happens.
Ultra Chunk Collector
⚡ The Ultimate Chunk Hopper - Instant Item Collection & Stacker Friendly! ⚡
MySecretMods
Fabric 1.21.10 mod that prevents servers from detecting your mods.
Lasers Enigma
✨ Create solve and share puzzles based on light ✨
Mixer
A plugin that allows you to create custom music discs that can be played using SimpleVoiceChat
Proximity Lamp
Adds 4 light modes: proximity, nocturnal, permanent and proximity-nocturnal. Works with redstone_lamp, candles, copper_bulbs and campfires.
As Broadcast
AsBroadcast is a Minecraft plugin to broadcast messages in chat, title, subtitle, or action bar formats to players, with templates, colors, time control, and tab completion.
LifeSteal PVP
Datapack for modified LifeSteal heart system
Meka-PMMO
Compat bridge between Mekanism and PMMO using mixins to grant Smelting and Block Break XP.
Mini Ore Factories
All 1.21+ Mini Ore Miners in one data pack! Enjoy the unlimited minerals!
PaperTweaks
A better-performance replacement of the popular VanillaTweaks datapacks, in plugin form.
Refined Netherite
Stronger than Netherite. and more
Infested Netherrack & End Stone
INFESTED Netherrack & End Stone to End and Nether Dimensions with Spawn Mob System (Endermite and Blaze) (infected)
![Farmer's Delight Paperized [unofficial]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/149748.webp)
Farmer's Delight Paperized [unofficial]
This is an unofficial rewrite from Farmers Delight to run with Paper
Recipify
This plugin allows you to create custom crafting recipes that will enhance your minecraft world! This is perfect for minecraft SMPs!
Create: Geology
Focuses on adding geologically correct minerals and ores that are refined with Create and Create: The Factory Must Grow.
Scaling Difficulty
Scale mob statistics based on time/distance traveled in the world. Port from Globox's RpgDifficulty
Purpose of Copper
Why there's so many copper if there's no use for it?
Slipboot
A warp system similar to Waystones, but with a geopolitical twist!
WynnRunica
A complete Russian translation of Wynncraft dialogues in the original style. The Cyrillic characters are hand-drawn to match the server's original bitmap font. (Полноценный русский перевод диалогов Wynncraft в стиле оригинала. Кириллица нарисована вручную)
NeoGuanNiao
Neo Guan Niao adds a living bird ecosystem to Minecraft, featuring realistic behaviors, individual bird traits, breeding, nests, bird guides, and immersive wildlife interactions.
Create: Power Grid: Portable Battery Fix
Fixes various issues with the Create: Power Grid Portable Battery
MapperPlugin
Provide more elements and features for the Map Creator, such as custom cameras, custom hud, custom interfaces, playing animations, adding post production shaders, etc
SpectraCam
A surveillance camera system that you can control through a control panel.
APIBlock
A technical block allowing users to make HTTP Requests from minecraft
OreOverlay
Client-side Fabric mod for 1.21.11 that predicts nearby ore locations from the world seed and renders colored markers through terrain, hiding them as you mine.
Aiden's Tech
A technological mod made for adding more technology to Minecraft, much like mods like Hbm's Nuclear Tech mod. This also includes firearms, such as the Mosin-Nagant, M16, and M1911.
Custom Portals Foxified
Build portals out of any block. Create two matching frames, light them with a colored catalyst, and travel between linked portals.
![CobbledExpCrafting [Cobblemon]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/140343.webp)
CobbledExpCrafting [Cobblemon]
CobbledExpCrafting allows EXP Candies for Cobblemon to be crafted directly in the Crafting Table instead of being cooked in a campfire. This makes production faster and fully automatable.
Ben's Monster Energy Mod
All the Monster Energy you could ever want... and Beer too for some reason.