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Minecraft 1.21 Mods

75 of the 117 mods here have a build for Minecraft 1.21. One number off and the 1.21 jar stays unloaded. 43 of these 1.21 files are hosted here. The game itself stands at 26.2 while 1.21 keeps its own builds.

55 makers publish something for 1.21. 1.21 has a separate build per loader, so pick both. 62 are rated beginner on 1.21, 5 advanced. Sodium is the most followed mod with a 1.21 build.

Mods for this version
75 of 117 documented here
Loaders
Forge 70 · Fabric 66 · NeoForge 66 · Quilt 18
Biggest groups
Utility 20 · Library 13 · Performance 8
Download here
43 files on our own server
Fabric APIBeginner

The core API module for Fabric mods providing essential hooks and utilities required by nearly all Fabric mods.

FabricQuilt
Library
500M
Just Enough ItemsBeginner

The most essential recipe viewing mod for modded Minecraft, showing all items and their crafting recipes in an overlay.

ForgeFabricNeoForge
Utility
250M
Cloth ConfigBeginner

A configuration screen API that provides a standardized way for mods to display and edit their settings in-game.

ForgeFabricNeoForgeQuilt
Library
250M
JourneyMapBeginner

A real-time mapping mod that renders explored terrain as a minimap and fullscreen map with waypoints and mob tracking.

ForgeFabricNeoForge
Utility
200M
Architectury APIAdvanced

A cross-platform modding API that allows developers to write mods compatible with both Forge and Fabric from a single codebase.

ForgeFabricNeoForgeQuilt
Library
200M
Applied Energistics 2Advanced

A mod focused on creating compact, powerful, and automated storage solutions using ME networks and matter-energy conversion.

ForgeFabricNeoForge
Tech
180M
GeckoLibAdvanced

An animation library for Minecraft mods that enables complex entity animations created in Blockbench.

ForgeFabricNeoForgeQuilt
Library
180M
PatchouliIntermediate

A data-driven in-game documentation and guide book system used by many mods to provide players with mod documentation.

ForgeFabricNeoForge
Library
180M
JadeBeginner

A tooltip mod that shows information about what you are looking at, including block details, entity info, and mod data.

ForgeFabricNeoForge
Utility
150M
SodiumBeginner

The leading rendering optimization mod for Fabric, dramatically improving frame rates through a rewritten rendering engine.

FabricQuilt
Performance
150M
Biomes O' PlentyBeginner

One of the most popular biome mods, adding over 50 new biomes with unique terrain, vegetation, and atmosphere to world generation.

ForgeFabricNeoForge
World Generation
130M
Xaero's MinimapBeginner

A lightweight minimap mod with entity radar, waypoint management, cave maps, and a customizable display position.

ForgeFabricNeoForge
Utility
130M
MekanismAdvanced

Tech mod with advanced ore processing, energy generation, digital storage, and high-tech tools and armor.

ForgeNeoForge
Tech
120M
Mouse TweaksBeginner

Enhances inventory management with improved mouse dragging behaviors for faster item manipulation.

ForgeFabricNeoForgeQuilt
Utility
120M
Xaero's World MapBeginner

A fullscreen world map companion to Xaero's Minimap showing explored terrain with waypoints and cave layer navigation.

ForgeFabricNeoForge
Utility
110M
ControllingBeginner

Adds a search bar and conflict detection to the keybinding settings screen, essential for modpacks with many keybinds.

ForgeFabricNeoForge
Utility
100M
AppleSkinBeginner

Adds hunger and saturation information overlays to the HUD and tooltips, showing food value before eating.

ForgeFabricNeoForgeQuilt
Utility
100M
BalmBeginner

A cross-loader abstraction library used by Waystones, Cooking for Blockheads, and other mods by BlayTheNinth.

ForgeFabricNeoForge
Library
90M
WaystonesBeginner

Adds placeable waystones that players can attune to and teleport between, providing a convenient fast-travel system.

ForgeFabricNeoForge
Utility
85M
LithiumBeginner

A server-side optimization mod that improves game logic performance including entity AI, world gen, and block ticking.

FabricQuilt
Performance
80M
Iris ShadersBeginner

A shader mod for Fabric that allows OptiFine shader packs to be used alongside Sodium for maximum performance.

FabricQuilt
Performance
80M
Roughly Enough ItemsBeginner

A recipe viewer and item browser for Fabric and Forge, serving as a feature-rich alternative to JEI with plugin support.

ForgeFabricNeoForgeQuilt
Utility
80M
Ender IOIntermediate

A compact tech mod known for its conduit system that allows multiple types of transport in a single block space.

ForgeNeoForge
Tech
75M
Farmer's DelightBeginner

A farming and cooking expansion mod that adds new crops, food preparation tools, and a rich cooking system with plated meals.

ForgeFabricNeoForge
Farming
75M
CitadelBeginner

A modding library required by Alex's Mobs and Ice and Fire providing animation systems, entity utilities, and data tools.

ForgeNeoForge
Library
70M
Storage DrawersBeginner

A storage mod adding compact drawer blocks that display their contents visually, with upgrades for capacity and features.

ForgeFabricNeoForge
Utility
70M
Cooking for BlockheadsBeginner

Adds a multiblock kitchen with a recipe book that shows all food you can cook from your available ingredients.

ForgeFabricNeoForge
Farming
65M
FerriteCoreBeginner

A memory optimization mod that reduces RAM usage by optimizing block state storage and other internal data structures.

ForgeFabricNeoForgeQuilt
Performance
60M
Mystical AgricultureIntermediate

A resource-growing mod that lets players farm any material by growing essence crops, from iron to diamonds and mod resources.

ForgeFabricNeoForge
Farming
60M
FTB QuestsIntermediate

A quest and progression system for modpacks, allowing pack makers to create guided questlines with rewards and chapters.

ForgeFabricNeoForge
Utility
60M
SupplementariesBeginner

A vanilla-style decoration mod adding functional and aesthetic blocks like signs, jars, flower boxes, and redstone gadgets.

ForgeFabricNeoForge
Decoration
55M
CC: TweakedAdvanced

A programmable computers mod adding Lua-powered computers, turtles, monitors, and networking peripherals.

ForgeFabricNeoForge
Tech
55M
ClumpsBeginner

Groups XP orbs together into a single entity, reducing lag from large numbers of orbs in mob farms and grinders.

ForgeFabricNeoForge
Performance
55M
YUNG's APIBeginner

A shared library required by all YUNG's Better mods, providing structure generation utilities and jigsaw helpers.

ForgeFabricNeoForge
Library
55M
Pam's HarvestCraft 2Beginner

A massive farming mod adding hundreds of crops, fruit trees, and recipes for an extensive food production system.

ForgeFabric
Farming
50M
Moonlight LibBeginner

A shared library for Supplementaries, Every Compat, and other mods by MehVahdJukaar providing dynamic resources and utilities.

ForgeFabricNeoForge
Library
50M
Cucumber LibraryBeginner

A shared library for Mystical Agriculture and other mods by BlakeBr0 providing base classes and crafting tools.

ForgeFabricNeoForge
Library
50M
FTB ChunksBeginner

Chunk claiming and protection mod that lets players protect their builds, with a built-in minimap and force-loading.

ForgeFabricNeoForge
Utility
45M
TrinketsBeginner

The Fabric equivalent of Curios API, adding data-driven accessory slots for rings, necklaces, and other equipment.

FabricQuilt
Library
45M
Nature's CompassBeginner

A compass that can locate any biome in the world, displaying distance and direction to help players find specific biomes.

ForgeFabricNeoForge
Utility
45M
Carry OnBeginner

Lets players pick up and carry blocks, tile entities, and even mobs by shift-right-clicking, and place them elsewhere.

ForgeFabricNeoForge
Utility
45M
TerralithBeginner

A vanilla-style biome overhaul using only vanilla blocks, adding dramatic terrain features and over 85 new biomes.

ForgeFabricNeoForgeQuilt
World Generation
40M
EmbeddiumBeginner

A Forge/NeoForge port of Sodium providing the same dramatic rendering performance improvements for the Forge ecosystem.

ForgeNeoForge
Performance
40M
Macaw's DoorsBeginner

Adds a wide variety of aesthetically designed doors and trapdoors in multiple wood types and styles for building.

ForgeFabricNeoForge
Decoration
40M
PolymorphBeginner

Solves recipe conflicts in modpacks by letting players choose which result to craft when multiple recipes share the same inputs.

ForgeFabricNeoForge
Utility
40M
Ars NouveauIntermediate

A spell-crafting magic mod where players compose custom spells from modular glyphs, with familiars and enchanting systems.

ForgeNeoForge
Magic
35M
ArtifactsBeginner

Adds rare accessory items found in dungeon loot chests that grant unique passive abilities when equipped in Curio slots.

ForgeFabricNeoForge
Adventure
35M
Inventory Profiles NextBeginner

An advanced inventory management mod with auto-sorting, auto-refill, profile saving, and locked slots.

ForgeFabricNeoForge
Utility
35M
Macaw's RoofsBeginner

Adds sloped roof blocks, gutters, attic walls, and skylight blocks for building realistic rooftops in every material.

ForgeFabricNeoForge
Decoration
35M
Player AnimatorBeginner

An animation library enabling mods to add custom player animations, required by Better Combat and other combat mods.

ForgeFabricNeoForgeQuilt
Library
35M
Better CombatBeginner

Enhances melee combat with weapon-specific attack animations, swing arcs, combos, and dual-wielding support.

ForgeFabricNeoForgeQuilt
Combat
30M
ImmediatelyFastBeginner

Optimizes immediate-mode rendering used by HUDs, GUIs, text, and item displays for a notable FPS boost.

ForgeFabricNeoForge
Performance
30M
BCLibBeginner

A shared library for Better End and Better Nether providing biome registration, structure tools, and common utilities.

ForgeFabric
Library
30M
ChippedBeginner

Adds thousands of block variants through specialized workbenches, turning vanilla blocks into dozens of decorative options.

ForgeFabricNeoForge
Decoration
30M
Macaw's BridgesBeginner

Adds a variety of bridge components including supports, stairs, railings, and rope bridges in multiple wood types.

ForgeFabricNeoForge
Decoration
30M
Sophisticated BackpacksBeginner

An upgradeable backpack mod with tiered capacity, auto-pickup, magnet, smelting, and many other functional upgrades.

ForgeNeoForge
Utility
30M
When Dungeons AriseBeginner

A structure mod that generates massive, elaborate dungeon structures throughout the world with unique architecture and loot.

ForgeFabricNeoForge
Adventure
25M
YUNG's Better DungeonsBeginner

Replaces vanilla dungeons with hand-crafted designs featuring multiple rooms, varied layouts, and improved loot.

ForgeFabricNeoForge
World Generation
25M
Productive BeesIntermediate

An apiculture mod expanding the vanilla bee system with specialized bees that produce resources, breed, and work in advanced hives.

ForgeNeoForge
Farming
25M
ModernFixBeginner

A collection of performance fixes targeting memory usage, load times, and runtime overhead in large modpacks.

ForgeFabricNeoForge
Performance
25M
Not Enough CrashesBeginner

Prevents Minecraft from fully closing on a crash, returning to the title screen instead and showing a detailed crash report.

ForgeFabricNeoForgeQuilt
Utility
25M
Macaw's FurnitureBeginner

A furniture mod adding chairs, tables, desks, drawers, wardrobes, and other home furnishings in every wood type.

ForgeFabricNeoForge
Decoration
25M
Every CompatBeginner

Automatically generates wood variants for modded blocks, ensuring that furniture and decoration mods work with all wood types.

ForgeFabricNeoForge
Decoration
25M
YUNG's Better MineshaftsBeginner

Overhauls vanilla mineshafts with nine biome-specific variants, larger layouts, and improved loot placement.

ForgeFabricNeoForge
World Generation
22M
HandcraftedBeginner

A furniture mod adding stylish couches, tables, chairs, shelves, and other home furnishings in multiple material variants.

ForgeFabricNeoForge
Decoration
20M
EMIBeginner

A featherweight recipe viewer with a focus on being fast, clean, and easy to use, supporting recipe trees and crafting resolution.

ForgeFabricNeoForgeQuilt
Utility
20M
William Wythers' Overhauled OverworldBeginner

A massive biome overhaul adding over 200 new biomes with detailed terrain features, custom trees, and improved vanilla landscapes.

ForgeFabricNeoForge
World Generation
20M
YUNG's Better StrongholdsBeginner

Completely overhauls vanilla strongholds with sprawling layouts, grand libraries, armouries, and prison cells.

ForgeFabricNeoForge
World Generation
20M
Better NetherBeginner

Expands the Nether with new biomes, vegetation, materials, and structures, adding depth and variety to the hostile dimension.

ForgeFabric
Adventure
20M
CroptopiaBeginner

A farming mod adding 58 crops, 26 fruit trees, and over 250 food items with balanced recipes and biome-specific spawning.

ForgeFabricNeoForge
Farming
20M
YUNG's Better Ocean MonumentsBeginner

Replaces vanilla ocean monuments with larger, more complex structures containing multiple wings, puzzles, and better loot.

ForgeFabricNeoForge
World Generation
18M
OccultismIntermediate

A spirit-summoning magic mod where players bind demons and djinn to perform tasks like mining, crafting, and transporting items.

ForgeNeoForge
Magic
18M
TectonicBeginner

A terrain overhaul mod that generates dramatically larger mountains, deeper valleys, and more varied continent-scale landforms.

ForgeFabricNeoForgeQuilt
World Generation
15M
Dungeon CrawlBeginner

Generates massive multi-level dungeon towers below the surface with varied rooms, traps, spawners, and loot.

ForgeFabric
Adventure
12M
The UndergardenIntermediate

A dark underground dimension mod filled with bioluminescent flora, unique creatures, and progression-gated bosses.

ForgeNeoForge
Adventure
8M

Frequently asked questions

  1. How many mods work on Minecraft 1.21?

    75 of the 117 mods documented here ship a 1.21 build, from 55 makers. They split as Forge 70, Fabric 66, NeoForge 66, Quilt 18.

  2. Which loader should I use on 1.21?

    Forge carries the most here on 1.21, 70 mods. A mod is built per loader and per version, so the file has to match both. One profile runs one loader.

  3. Is a 26.2 jar fine on 1.21?

    No. A jar is compiled against one game version. A build for 26.2 will not load on 1.21, and the other way round it fails too. The mod page names every version its maker signed off.

  4. Is the 1.21 download from the maker?

    43 of the 1.21 files sit on our own server, unchanged, with the checksum of the maker's build beside them. The rest link to the maker because his licence keeps every right with him.