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Minecraft Java 1.21 Mods

Browse 763 free mods for Minecraft Java 1.21 — popular picks include Advanced Fishing, Pehkui, Caelus API.

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Advanced Fishing
1.21.11neoforge

Advanced Fishing

This mod overhauls fishing with 49 new fish, biome-based catches, lava fishing, new enchantments and curses, custom potions, early-game tools like the Chum Bucket, and fully reworked fishing mechanics.

20Mdownloads
Pehkui
1.21neoforge

Pehkui

Lets you change the size of most entities, shrinking their scale smaller or growing them larger

9.6Mdownloads
Caelus API
1.21.4neoforge

Caelus API

A coremod and API to provide developers access to elytra flight mechanics through an entity attribute.

7.5Mdownloads
Pufferfish's Attributes
1.21.5neoforge

Pufferfish's Attributes

A Minecraft mod that adds more attributes to the game.

3.0Mdownloads
Mechanicals Lib
1.21.1neoforge

Mechanicals Lib

Common library for mods.

2.9Mdownloads
Thermoo Patches
1.21.1neoforge

Thermoo Patches

A suite of integration and compatibility patches for Thermoo-based mods (including Frostiful and Scorchful) and other mods

2.3Mdownloads
Sewing Kit
1.21.11neoforge

Sewing Kit

Adds a Sewing table and mechanic similar to the vanilla cartography or stonecutting

2.0Mdownloads
Ponderer - 思索者
1.21.1fabric

Ponderer - 思索者

Ponderer is an in-game Ponder authoring tool for players and modpack creators. You can build, edit, and iterate tutorial scenes directly in Minecraft without leaving the game or writing scripts first.

1.5Mdownloads
HeroBot
1.21.11fabric

HeroBot

Framework for fabric based server side players (and extra helpful settings)

1.4Mdownloads
Petrolpark's Library
1.21.1neoforge

Petrolpark's Library

A library of shared features and utilities for my mods

724kdownloads
Grim Anticheat
1.16.1fabric

Grim Anticheat

Fully async, multithreaded, predictive, open source, 3.01 reach, 1.005 timer, 0.01% speed, 99.99% antikb, "bypassable" 1.8-1.21 anticheat

645kdownloads
Sable: Physics Compat
1.21.1neoforge

Sable: Physics Compat

A Compat mod for Sable/Aeronautics providing tags for several modded blocks.

529kdownloads
Data API
1.21.5fabric

Data API

Tools to aid in datapack creation

488kdownloads
Immersive Portals for (Neo)Forge
1.21.1neoforge

Immersive Portals for (Neo)Forge

See through portals and go through them seamlessly without a loading screen.

344kdownloads
Lootables
1.21neoforge

Lootables

API for creating featureful loot rewards that go beyond item drops, and can be provided randomly or via loot box choice mechanics.

319kdownloads
LagFixer
1.20

LagFixer

⚡️ Best Performance Solution! 🗄️Trusted by 3000+ servers! ✅ Lightweight and highly Asynchronous!

308kdownloads
TNT Timer
1.21.5fabric

TNT Timer

Adds a timer above tnt which displays the time until it explodes.

270kdownloads
Curtain
1.21neoforge

Curtain

A Forge mod like fabric-carpet

258kdownloads
PvP BOT
1.21.11fabric

PvP BOT

A mod for Minecraft Fabric that adds smart PvP bots

253kdownloads
Cobblemon Info for REI / JEI / EMI
1.21neoforge

Cobblemon Info for REI / JEI / EMI

Cobblemon Info for REI turns REI, JEI, or EMI into a full in-game Cobblemon reference. Click a Pokemon and inspect its spawns, evolutions, drops, moves, stats, forms, fossils, obtainment methods, riding data, and more without leaving the game.

253kdownloads
Inventory Tabs
1.21fabric

Inventory Tabs

Allows swapping to other in-world screens (blocks, entities, etc) via tabs. A fourth-generation rewrite of CakeWhip's InventoryTabs.

180kdownloads
Modern Lucky Block
1.21.5neoforge

Modern Lucky Block

A Lucky Block mod recreation for modern Minecraft utilizing the datapack system.

173kdownloads
Complete Cobblemon Collection
1.21.1fabric

Complete Cobblemon Collection

The Largest Cobblemon Addon Pack that gives Models, Spawns and Animations for EVERY SINGLE POKEMON.

170kdownloads
Texture Pack Folders (Like Recursive Resources)
1.21.8fabric

Texture Pack Folders (Like Recursive Resources)

Mod allows folders with packs in them to work, mainly for organization. (Like recursive resources)

153kdownloads
Lightning Grim Anticheat
1.16.1fabric

Lightning Grim Anticheat

Anticheat Perfected | 3.0005 reach | 99.999% antikb. Fork of GrimAC that's faster, with better reach checks, interact checks, and numerous bug fixes.

146kdownloads
ExecutableItems
1.12

ExecutableItems

Custom Items, ExecutableItems plugin allows you to fully customize every aspect of your items, and adding unique activators on your items !

133kdownloads
Overgrown's Origins: Dietary Delights
1.21forge

Overgrown's Origins: Dietary Delights

A pack that adds compatibility between the Origins mod and a wide variety of food items from other mods.

126kdownloads
Custom Guns
1.21.9fabric

Custom Guns

A fully customizable datapack & mod for Minecraft 1.20.5+ that features custom guns that fully integrate with the surrounding world. Anyone can make their own gun with a straightforward command setup.

122kdownloads
Carpet mace fix
1.21fabric

Carpet mace fix

This mod fixes bug #2108 in the carpet mod.

105kdownloads
MythicMobs
1.21.4

MythicMobs

Create custom mobs and bosses with advanced skills, attributes, equipment, and more!

102kdownloads
UberEnchant
1.18

UberEnchant

UberEnchant adds the ability for servers to enchant any item with any enchantment up to level 255 (since 1.17), add names and lore to items (color support), add potion effects to items, extract enchantments to books, and economy support.

99kdownloads
Complete Cobblemon Collection w Legendary Spawns
24w12a

Complete Cobblemon Collection w Legendary Spawns

The Largest Cobblemon Addon Pack Made to Give Models and More Mon Spawns so that we can eventually reach full dex completion!

96kdownloads
Item Components
1.21.2fabric

Item Components

Change the default components for items! Server-side and data-driven, refreshes on /reload! (and does it properly)

83kdownloads
Carpet crit fix
1.21.11fabric

Carpet crit fix

This mod fixes the problem where fake players don't perform critical hits

79kdownloads
Break My Fall
1.21.1fabric

Break My Fall

Adds configurable features related to falling and fall damage like breaking snow on impact or taking fall damage in different water depths!

64kdownloads
SauceLib
1.21.1neoforge

SauceLib

Library shared between Ars Nouveau addons, containing shared mechanics, attributes and the Liquid Source fluid

55kdownloads