Minecraft Java 1.21 Mods
Browse 125,543 free mods for Minecraft Java 1.21 — popular picks include Craftable Suspicious Blocks, Zaffre's Mineshafts, SurShield Modification.
Step by step: How to install Minecraft Java mods & modpacks
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Craftable Suspicious Blocks
Allows you to craft Suspicious Sand & Suspicious Gravel
Zaffre's Mineshafts
Overhauls and upgrades the appearance, layout, and gameplay of both kinds of mineshafts
SurShield Modification
Modpack that combines the mechanical genius of Create, the iconic Satsu Iron Man Addon, and the gritty superpowered chaos of The Boys: New World — delivering advanced automation, and an immersive world of limitless possibilities.
Undertale Additions
Items, weapons and armors from Undertale!
XGamemode
You're not switching modes, you're switching dimensions.

PPG's Runic Weaponry
Epic relic weapons + a combat-oriented magic system!
HeartLose
Lose hearts on death. Retrieve them with special item
Shadows of Aethro
This mod pack is for connecting to Aethro's Fabric server.
Better Than Adventure-Forge
Born into the world and kill everything .
PqtrickPACK
All of my mods, shaders and packs for 1.21.1!
StoneDamager
Stonecutter functionality everyone wants. (Allow stonecutters to hurt entities with or without also hurting players.)
DaBR DragonSurvival compat
Make Do a Barrel Roll and Dragon Survival mods compatible
Focus
Z-targeting lock-on mod, customizable & great for combat.
Cobblemon Dimensions
The Most Adverse Cobblemon Pack
AntiCaps
A simple plugin to prevent excessive Caps in chat!
Flame of Undying
Totem of Undying Texture Pack inspired by FlameFrags Minecraft skin
Better Entity Culling (BEC)
BEC (Better Entity Culling) is a lightweight client-side mod for Fabric that improves Minecraft performance by skipping the rendering of mobs, items, projectiles, and other entities that are outside your field of view.
The Return of the Killer Rabbit of Caerbannog
A datapack/mod which re-adds the natural spawning of the Killer Rabbit from the popular comedy movie from 1975 'Monty Python and the Holy Grail' with a twist!
RxHomes - Advance Home Management Plugin
Stay Connected to Every Corner.
Simple PvP Train Bot
Perfect for Crystal PvP Server's! With command /train
Modern Elements
Explore 100+ realistic chemicals with Modern Elements! From Acids and Bases to Organic compounds and Alloys, this mod brings authentic chemistry to Minecraft 1.21.1. Featuring custom 3D lab models, dynamic fluid tints, and a full periodic table.
HugoSMP
A (unofficial) performance-focused modpack specifically optimized for the HugoSMP server, featuring allowed quality-of-life improvements and visual enhancements.
WhispersNightmare – Psychological Horror
WhispersNightmare is a server-side psychological horror plugin for Minecraft 1.21.x that lets you troll your friends and terrify players without requiring any mods on the client.
Jurassic Revived Community Server
Officlal Modpack for use with Jurassic Revived Community Servers
SLG: Confluence+
Confluence: Otherworld (Terraria mod) focused
Doughnut+ (for Donut SMP)
Resource pack build for the Donut SMP that adds custom server items textures in Vanilla style.
Pink ancient debris
just as the name says... and the icon
Glass Totems
Replaces the totem with a transparent glass texture to make it easier to see behind, and be less distracting, without completely making it invisible.
Volts Next Generation & Official Server
war crafting and survival
Decree
Adds a variety of helpful commands and gamerules.
LeoTweaks 3D String
Makes String and Tripwire 3 dimensional and more Visible. Can also show Tripwire Status Blockstate!
OptiShade
OptiShade enhances Minecraft with improved performance and shader support for better lighting and visuals. Enjoy a smoother, more beautiful vanilla experience.
No Hearts
No hearts Texture pack for minecraft 1.20+
More Aeronautics Void Seas
Makes the Create Aeronautics End Sea spawn in the other two dimensions.
W Sideshield
This resource pack makes your shield appear to the side of your body, and lower when blocking
TWISB-Combat
Combat, The Way It Should Be! This mod tweaks health regeneration, throwable potions and tridents to improve the combat experience.