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Minecraft Java 1.21 Mods

Browse 126,758 free mods for Minecraft Java 1.21 — popular picks include Botany Trees: Cultivating Dreams, Fancy Full Block Grass, Maui's Better Emeralds.

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Botany Trees: Cultivating Dreams
1.21.1neoforge

Botany Trees: Cultivating Dreams

Botany Trees: Cultivating Dreams is a Addon of Botany Trees and Botany Pots

5.9kdownloads
Fancy Full Block Grass
1.15

Fancy Full Block Grass

Full block Grass & similar blocks- but with a nicer side texture!

5.9kdownloads
Maui's Better Emeralds
1.21.1neoforge

Maui's Better Emeralds

A mod that streamlines emerald storage and usage.

5.9kdownloads
Yaju Senpai MOD
1.21fabric

Yaju Senpai MOD

IKISUGI!!

5.9kdownloads
Corpse: Refined
1.21.1neoforge

Corpse: Refined

Your death leaves behind a corpse wearing your own skin, holding everything you had on you — recover it and your armor equips itself automatically. Left too long, it slowly decays down to bone.

5.9kdownloads
Jinx
1.21.1neoforge

Jinx

Voodoo dolls. Made for SpookyJam 2025

5.9kdownloads
Phero Visuals
1.15

Phero Visuals

Phero Visuals Minecraft shader pack featuring vibrant lighting, realistic water, dynamic skies, soft shadows, cinematic atmosphere, and optimized performance for an immersive, smooth, and visually stunning gameplay experience.

5.9kdownloads
Nova Client
1.21fabric

Nova Client

Nova Client is an all-in-one Fabric client mod for Minecraft focused on PvP, HUD customization, minimap tools, performance tweaks, and quality-of-life features.

5.9kdownloads
Enchantix
1.17.1forge

Enchantix

Turns potion effects like poison or weakness (etc.) into enchantments that can be applied to weapons like we already know it from some RPG style games.

5.9kdownloads
Ultra Hard Mode
1.21.8neoforge

Ultra Hard Mode

A mod that makes Minecraft way too difficult

5.9kdownloads
Better Performance Pojav By HAMM
1.21.8fabric

Better Performance Pojav By HAMM

This is an fps boost modpack made for pojav launcher, mojo and zalith launcher, you can use Mobile Gluess or LTW Renderer.

5.9kdownloads
Tensura : Reincarnation no Kaben Addon
1.21.1neoforge

Tensura : Reincarnation no Kaben Addon

Tensura: Reincarnation no Kaben Addon is an addon for the Tensura: Reincarnated mod. It focus on adding content from the manga Reincarnation no Kaben.

5.9kdownloads
Mekanism Addons + ProjectE Server Fix
1.21.1neoforge

Mekanism Addons + ProjectE Server Fix

Mekanism and ProjectE addon to fix a bug that may occur with Mek addons

5.9kdownloads
RCTBadges - Elemental Effects Badges
1.21.1

RCTBadges - Elemental Effects Badges

Leaders from Radical Cobblemon Trainers will drop badges from the ElementalEffectsBadges mod.

5.9kdownloads
DeleteBats
1.13

DeleteBats

Remove bats from your minecraft server! Supports 1.13.x-1.21 versions.

5.9kdownloads
ChatStack
1.16fabric

ChatStack

Stack duplicate messages on top of eachother

5.9kdownloads
Insomnia Notifier
1.21.3fabric

Insomnia Notifier

Shows phantom risk — as a vanilla effect icon.

5.9kdownloads
Laser Arsenal
1.21.1neoforge

Laser Arsenal

Unleash the full potential of the Laser Arsenal! With lasers that specialize in mining, fiery attacks, unparalleled piercing strength, and healing support, precision, power, and versatility await!

5.9kdownloads
Yuki Suou Totem (Alya hides her feelings in russian)
1.17

Yuki Suou Totem (Alya hides her feelings in russian)

Now you can use Yuki as your totem from Roshindere

5.9kdownloads
Potion's recipe book/Libro de recetas de pociones
1.20.2

Potion's recipe book/Libro de recetas de pociones

A book with all recipes of potions Un libro con todas las recetas de pociones

5.9kdownloads
DougDougModdedModded: Create Aeronautics
1.21.1neoforge

DougDougModdedModded: Create Aeronautics

Official modpack for the Modded OffSeason server on the DougDougServerServer.

5.9kdownloads
Grassier Grass Patrix Addon
1.20

Grassier Grass Patrix Addon

Adds Patrix grass texture to Grassier Grass

5.9kdownloads
Dragon Egg Effects
1.21

Dragon Egg Effects

A simple plugin that grants you effects when you have the Dragon Egg in your inventory.

5.9kdownloads
White end crystals
1.21

White end crystals

This texture pack makes all crystals white white

5.9kdownloads
DeepSea
1.21.11neoforge

DeepSea

Changes boat navigation on ocean regions

5.9kdownloads
The Corrupted Clan Horror
1.21.1neoforge

The Corrupted Clan Horror

A modpack based around the ARG horror mod: The Broken Script

5.9kdownloads
Blocky 3D Bars
1.21.9

Blocky 3D Bars

3D models to replace the paper-thin bars.

5.9kdownloads
Mechanical Healing Machine
1.21.1neoforge

Mechanical Healing Machine

A Create integrated variant of the mechanical healing machine from Cobblemon.

5.9kdownloads
Wall Climbers
1.20

Wall Climbers

Gives spiders the basic ability to stick to walls and roofs by using legs and not the face!

5.9kdownloads
CAR BOAT
1.17.1

CAR BOAT

Replace The Clasic Boat, to boat car

5.9kdownloads
Sol's Relic System (Crit System, Stats, and more.)
1.21.11neoforge

Sol's Relic System (Crit System, Stats, and more.)

A full-blown RPG artifact system. Every weapon and armor piece that enters your inventory becomes a Relic — a piece of equipment with randomized stats, an XP-based leveling system, crit mechanics, set bonuses, and much more.

5.9kdownloads
JerkSteve
1.21forge

JerkSteve

Adds the most annoying mob to Minecraft, as seen in the viral meme videos.

5.9kdownloads
Player Size Changer
1.21.7

Player Size Changer

This is a datapack with which you can change your size between 5 different sizes. Each one of them also changes other attributes like health or range accordingly.

5.9kdownloads
Colosseum of Fools
1.21.2

Colosseum of Fools

This datapack brings the gameplay of Hollow Knight's Colosseum of Fools. Players complete various trials in the Colosseum to earn rich rewards.

5.9kdownloads
Progressive Mob Wave Activations - PMWA
1.19.2forge

Progressive Mob Wave Activations - PMWA

Progressive Mob Wave Activations PMWA - Mob spawns enable after a select number of days or after killing a specified mob

5.9kdownloads
Enhanced Keybinds
1.21.11fabric

Enhanced Keybinds

Allows you to assign modifier keys to a keybind, and adds many new keybinds from various vanilla options

5.9kdownloads