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Minecraft Java 1.21 Mods

Browse 3,587 free mods for Minecraft Java 1.21 — popular picks include Potion Core Reborn, Porting Dead Libs, Dimension Leak Fix.

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3,587 mods

1.21.5neoforge

Potion Core Reborn

Revives Potion Core and bring it to modern versions

178kdownloads

1.21.1neoforge

Porting Dead Libs

A library mod for all of Porting Dead Mods' Mods

178kdownloads

1.21.11fabric

Dimension Leak Fix

Fixes memory leaks when switching dimensions. Mods like Collective, AmbientSounds and Create retain old worlds in RAM - this mod cleans them up automatically, recovering 2-4 GB per transition.

176kdownloads

1.21.5neoforge

Modern Lucky Block

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

171kdownloads

1.17.1fabric

FokusAPI

Focus / Fokus API - Library for CoffeeG's Mod. Support NBT Editing, Mob Spawning and more!

168kdownloads

1.21.1fabric

Complete Cobblemon Collection

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

167kdownloads

1.21.1neoforge

Infinity Nexus Core

A core mod for Infinity Nexus Mods

165kdownloads

1.21.11fabric

More Stick Variants (MStV)

Sticks for every kind of wood. A base mod for other Variant Mods using Sticks as crafting ingredients.

165kdownloads

1.21.1neoforge

Async Locator Refined

Changes the searching of features to be asynchronous to mitigate associated lag. Maintained version

163kdownloads

1.20.5fabric

- FPS Booster - Lag Killer

powerful client-side performance FPS booster

162kdownloads

1.21.1neoforge

KubeLoader

A mod that allows you to load the KubeJS Scripts from mod or "ContentPack"

160kdownloads

1.21.11neoforge

Infiniverse

API for creating dynamic dimensions

159kdownloads

1.21.4

WolfyUtils

Core API & Utils for Spigot based plugins. Inventory GUI, Language, JSON (Jackson), and many more utils

158kdownloads

1.21.1neoforge

Monkey Patches

A collection of hacky patches to fix bugs in other mods, especially bugs that were fixed in unreleased versions of those mods.

155kdownloads

1.21.1neoforge

LimaCore

Central library dependency for the Lima series of mods.

153kdownloads

1.21fabric

BlossomLib

Library mod for Blossom-series Fabric mods

153kdownloads

1.21.11fabric

Record Days Survived

This Minecraft mod challenges you to keep track of how many days you survive without dying - can you reach a record number of days alive before falling to the dangers of the world?

153kdownloads

1.21.1neoforge

[ESC] Extra Special Core

ExtraSpecialCore bundles shared fonts and GUI helpers (EscText, EscButtons, EscSearchBox, panels) so Creatopia mods stay consistent. Library only—install when another mod lists it as required.

152kdownloads

1.21neoforge

KubeJS Offline

KubeJS Documentation files, generated dynamically via command, accessed with an HTML page.

151kdownloads

1.21.10neoforge

More Density Functions

Utility mod to add more density functions for world generation datapacks.

149kdownloads

1.21.11fabric

Recipe Commands

💬 Receive the pattern and ingredients of any item recipe via chat commands.

147kdownloads

1.20.1fabric

iCommon API

Common API for multi-version functions & events.

146kdownloads

1.21.8fabric

Texture Pack Folders (Like Recursive Resources)

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

144kdownloads

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.

144kdownloads

1.21.1neoforge

PlayerEngine

PlayerEngine is a server-side framework designed to fundamentally change how AI NPCs exist in Minecraft.

141kdownloads

1.18

NexusCore

The library required to use all of Nexus Studio plugins.

139kdownloads

1.21.1

Cobblemon Biome Expanded Spawns

A universal Cobblemon spawn datapack with exhaustive biome compatibility (vanilla + major biome mods) and curated presets for structures & underground.

138kdownloads

1.21.1fabric

BTWR: Shared Library

A library mod for the "Better Than Wolves: Remastered!" project.

136kdownloads

1.21.1fabric

HarpyModLoader

Library to load custom roles for The Last Voyage Of The Harpy Express.

134kdownloads

1.21.11fabric

Slot Customization API

A small API for mods to dynamically change inventory slot positions and enable/disable them.

132kdownloads

1.12

ExecutableItems

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

130kdownloads

1.21.1neoforge

[SBW]Drone Detector

A lightweight Forge 1.20.1 mod that turns a handheld (or inventory) detector into a minimal HUD listing nearby UAVs with names and approximate distance, beeping only for the closest, with server-controlled range and custom sound.

129kdownloads