Minecraft Java 1.21 Mods
Browse 8,206 free mods for Minecraft Java 1.21 — popular picks include Overworld height increase, Infernal Skyblock, 1024 Extended.
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Overworld height increase
Increase height to 2032 blocks in overworld
Infernal Skyblock
A unique spin on skyblock where you start in the nether instead of the overworld!
1024 Extended
This datapack increaces the world height to 1024
Perfect World Gen
Made for my YouTube big globe series. Improves world gen and exploration while providing options to make beautiful cinematic views!
Towering Heights
This mod increases the world height limit (to a maximum of ±16384, less by default).
Large Rivers in Large Biomes
Makes rivers large in Large Biomes. (Alpha)
Dragon Nest
An alternative way to get the dragon egg
OldYLevels
Changes the Overworld height to the old Y range, 0-256. This will basically crop off parts of your world if you don't pregenerate the world on an earlier version of the game.
TNT Regeneration
Automatically regenerates blocks destroyed by any type of explosion (TNT, Creepers, Ghasts, Withers, etc.) with configurable delays and smart detection.
PKK - Create!
A Create-focused adventure modpack with new dimensions, expanded exploration, improved combat, and advanced storage. It blends mechanical engineering, atmospheric biomes, aircraft travel, and enhanced survival for balanced long-term gameplay.
PillarOfFortune
A competitive survival game where players fight on tall bedrock pillars
Aoura MC
Adds vanilla improvements bosses' new biomes terrain etc.
Vanilla+ Disable Portals
Easily restrict player movement between dimensions Легко ограничивайте перемещение игроков между измерениями
ItemBlocker - Disable & Control Items, Crafting, Loot & More
Complete control over blocked items, crafting, smelting, drops, world generation, and more!
Technoventure: Technology & Exploration
1.21.1 modpack centred around tech and exploration
Civilization's Beginnings
Designed to transform the survival experience in Minecraft, slowing down progress and encouraging cooperation among players.
Gdrees's ModPack
Gdrees’s ModPack is a custom collection designed to enhance both performance and exploration. Tailored for seamless multiplayer experiences, it optimizes game performance with FPS-boosting mods and enriches adventures.
Cobblemon Twilight Forest Compatibility
Allows Cobblemon to spawn in the Twilight Forest, with custom made spawns. Rare pokemon are more common there. Requires the All the Mons datapack (and Twilight Forest and Cobblemon, naturally.)
Netherite Blocker
This datapack completely prevents Ancient Debris (Netherite ore) from generating in newly created Nether chunks. It works by overriding the vanilla placed features that control where and how Ancient Debris spawns.
Create: Ore Deposits
Create: Ore Deposits is a addon mod for create that adds deposits for all base ores to allow for more resource gathering.
Cyclic Dungeons
Smart dungeons for the avid adventurer
RevelationaryDimensions
A simple addon to Revelationary which adds support for locking dimensions.
Big Globe Bigger Biomes
This datapack modifies big globe foliage and temperature generation to allow for significantly bigger biomes
Chunk Cleaners
A performance focused, highly optimized, chunk cleaner plugin for Paper 1.21+ that allows players to remove all blocks and entities within a chunk. This is a well sought after feature for Factions and Survival servers.
manhunt (made by hairyfrog) 1.21.11
basic dream level manhunt (works in all dimensions, + better pearl trades and blaze rod drops)
Schworlium
Worley noise-based caves for Fabric and Neoforge
Cobblemon Explorer’s Atlas
A Pokémon-inspired adventure modpack featuring Cobblemon, expanded exploration, and improved world generation for deeper survival gameplay. Catch, battle, and journey through beautifully crafted biomes with enhanced progression.
SPLG
A Vanilla++ Modpack that features better exploration, better building & some magic.
Sky Archipelago Cave Fix
Workaround for cave generation with ocean-based islands in Sky Archipelago. Only for version 1.3.4 and 1.21.1 NeoForge
Big lost city x Still life compat
This datapack make Big lost city structure spawn in Still life biome.
The Silent Realm
The Silent One is tormented by its own wrongdoings... Can you help it find peace?
TPS - Colonies
Better world generation and quality of life improvements.
Skyblock Portals
Adds buildable portals to skyblock versions of overworld and nether dimensions using somewhat difficult to obtain vanilla items, requiring players to progress to a certain degree in order to obtain access to these dimensions.
ChunkOptimizer
This plugin optimizes how the server renders chunks, reducing CPU and RAM usage.
Realms of Old
This modpack adds a whole new level of immersion into the minecraft world. Explore new dimensions, mobs, and items
No More Lava Pockets
Datapack to remove Lava Pockets from the Nether for all 1.21 versions.