Minecraft Java 1.21 Mods
Browse 9,274 free mods for Minecraft Java 1.21 — popular picks include Heartful Memories, Create Echoes of the Great Derailment, Crystalline.
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Heartful Memories
Remember your past Minecraft days and relive them a second time
Create Echoes of the Great Derailment
Rebuild the Machine Age after the Great Derailment in a steampunk Create modpack with quests, staged progression, automation, colonies, bosses, exploration, custom mechanics, powerful machines, and a world full of secrets.
Crystalline
A Mod about amethyst and crystals

Flat XP Progression
Changes XP progression to a flat rate instead of exponential
Curios recipe Iron's Spells
This mod adds new magical equipment: the Ring of Invisibility, the Teleportation Amulet, and the Tarnished Crown. Each item offers unique advantages for mages in survival gameplay.
Origins Fantasy [NeoForge]
Adds 10 Fantasy origins to Origins Neoforge

Lucky Block Reborn
A luckyblock mod port into a datapack format! Original, I know.
The Brew
An very lite collection of mods BUT there is no quests. So YOU have to make crazy combos and ideas.
Shaders FPS
Shaders Collection is a curated modpack that brings together the best Minecraft shaders for stunning visuals, immersive lighting, and breathtaking atmosphere.
All Arrows Infinity Fix [Data Pack]
Forces Infinity enchantment to work with all arrows.
Cultivator's Legacy
The official server modpack for the Xianxia mod
Parachymistry
Alchemy mod themed vaguely around medieval alchemy, with a focus on consumables.
BetterGoPaint
Improved and maintained version of GoPaint
Pixelmon Wild Realms
Explore a vibrant world of wild biomes, magical ruins, and epic adventures. Catch, train, and battle in a beautifully enhanced Pixelmon survival experience full of exploration and discovery.
Improved Happy Ghast
Allows players to create a not-wandering, faster, smaller, silenced Happy Ghast, get damage alerts and even summon it back in survival using items.

PackagedFAA
PackagedAuto ForbiddenArcanus support
Spellbound Weapons Better Combat Addons
Add BetterCombat to the weapons provided by Splatus's Spellbound Weapon datapack

Protect
A WorldGuard-like, modern world protection plugin made for API usage
Armour Trim Abilities
Adds armour trim abilites for almost all the trims.
Ascension
Ascension brings you into the world of Jianghu. The choices are all up to you! (Xianxia, Cultivation, Murim, Immortal, ascending)
Create Aeronautics Planes Trains and Automobiles
Create-focused modpack featuring the new aeronautics mod with some qol additions
BarrelSpell
This is an addon that adds defense and CreateBigCannon content for Iron's Spells 'n Spellbooks.
Magitech -Arcane Engineering-
Adds a captivating blend of magic and technology with a variety of features.
Stupid DBC
A stupidly-made Dragon Ball mod!
Storms of the Wild
Get so conductive even lightning can’t resist! A mildly detailed system of sparks, conduction, and storms.
The OneBlock 1
Experience the ultimate OneBlock challenge in Minecraft 1.21.1 with the OneBlock 1, featuring awesome mods, limitless creativity, and exciting progression—all from a single block!
Excavating Enchant: 3x3 Mining!
New enchant for pickaxes and shovels that lets you mine 3x3x3 areas! Perfect for survival servers and very vanilla friendly.
Leaves Drop OP Items
Break leaves → get insane loot. Works on all versions from 1.18+ to 1.21+ with zero setup.
ChainSMP
The Modpack for the ChainSMP my German SMP
Builder's Frontier- Official
Mod pack that has ars noveau, more villagers, hire villagers, create mod + guns, biomes o plenty and more
Imagict Hud
Displays the player's head, nickname, coordinates, indicators, etc. on the in-game HUD.
Cobblemon Escape Rope
A lightweight Cobblemon add-on that adds an Escape Rope item for returning to the last safe place where you were under open sky.
Tensura Reemerged
Embark on a journey of growth, discovery, and power. As Player, you must explore the world, form relationships with other creatures, face ancient threats, and ultimately shape the destiny of the realm. Whether you aim to create peace or dominate
CrystalPVPDisabler
Disables end crystal and respawn anchor damage to players while preserving all other functionality.
Boss Warps
A lengthy escapade and a fierce scrimmage, followed by an effortless return home. Based on the Boss Rifts mod by jodlodi, but for the Modrinth ecosystem!
ImageToWorld
A mod for loading images into your world.