Minecraft Java 1.21 Mods
Browse 22,257 free mods for Minecraft Java 1.21 — popular picks include DeepslateCutter, WhatBlock, LightAntiCreeper.
Step by step: How to install Minecraft Java mods & modpacks
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DeepslateCutter
Cut 'raw deepslate' into all 'cobbled deepslate' recipes in the stonecutter.
WhatBlock
Lightweight client-side HUD that shows the block you’re looking at: icon + localized name + registry ID. Auto-hides when you aren’t looking at a block.
LightAntiCreeper
lightweight plugin prevent creeper destroy and damage 轻量苦力怕烟花插件
demkit
Plugin for convenient starter kits
QAPlugin
Add question and answer game to your server.
Nocturnal PVP
"Fight at night, truce by day!" This datapack automatically enables PVP only during nighttime, creating intense nocturnal combat scenarios, then disables PVP at dawn to let players regroup. Perfect for survival servers seeking risk-reward gameplay!
Instant Win Button
Adds an instakill melee weapon... or so you thought.

MakeMegasGreatAgain
Buff weak Mega Evolutions
Chemical Combat
Chemical Combat adds new potions designed to work better in combat than vanilla potions.

Beehaviour
Quality of life and crafting completeness Minecraft recipes
Bats Reconfig
A fabric server-side mod that reconfigures bat spawns
GuppyCosmetics
GuppyCosmetics is a Minecraft plugin for Paper/Spigot servers that adds customizable visual accessories including hats, backblings, and balloons with special effects like camera overlays and physics-based balloon animations.
Jackie's Economy Mod
A Mod Adding Economy Supporting Items and Blocks! Always gonna have the future of economy!
Travelled Paths
Naturally generates pathways in commonly travelled routes!
Elytra Vaults
End Citys now have Vaults
Craft More Stones!
Adds crafting recipes for the uncraftable stone types

Hatched
Eggs laid by chickens will have a chance to hatch
Guaranteed Heavy Core
This datapack changes the Ominous Vault loot table. Every opened Ominous Vault will now guarantee a Heavy Core drop with a 100% chance.
Everything Refined II
Take the game to the next level with stunning visuals, new gameplay mechanics, and a plethora of structures and biomes to explore!
Custom Tags
CustomTags lets players create their own colored tag with /ct <tag> <color>, shown in chat and in the tab list. It supports named and hex colors, instant updates, and configurable formatting.
Wither Skeleton Skull Fragments
Adds Wither Skeleton Skull Fragments as a drop instead of a small chance for a full skull
Gear On Death
Keeps your equipped gear visible during the death animation.
KoHs Bedrock Essentials pvp
Bedrock-only optimization for Paper crossplay servers.

Wordstones
A nerdy take on fast travel
Lighting Plugin
A Minecraft plugin that allows you to hit a player with a lightning bolt using a command.
Pick Up
A custom pickup plugin compatible with both Paper and Folia server cores.
DynamicKeepInv
Dynamically controls keepInventory based on day/night cycle, protection plugins, and death causes.
TitanLogin
This version includes platform update
How Long?
See your total playtime by holding a clock
Fancy Chest
TianxunUP的幻想mod TianxunUP's fancy mod

Dreamlight Fishing
Transform Minecraft fishing into a skill-based arcade minigame! Find rare water ripples, time your hooks perfectly, and watch your catch fly through the air.
Garfeldi [Cobblemon]
Back in 2024, I made an April Fools' addon for Cobblemon just called "Garfeldi", ironically posted to the Cobblemon server on April 2nd. I found the files, like, 10 minutes ago, made minimal changes, and decided to post it to Modrinth.
Folia Shop
A modern, high-performance shop plugin built for Folia, and modern Minecraft servers. FoliaShop combines a powerful GUI shop, Worthify-style selling system, Auction House, Custom Items Support, advanced item matching, in-game edito
Worn Trails
Worn Trails gradually creates paths where players walk often.
Bouncier Slime
Makes projectiles bounce on slime blocks instead of just landing
The Fixed Script
Here I amn't.