Minecraft Java 1.21 Mods
Browse 2,270 free mods for Minecraft Java 1.21 — popular picks include SecureChat, Heartcore, Deepcraft.
Updated daily
SecureChat
A mod that encrypts your chat

Heartcore
A configurable Minecraft Hardcore mod that removes hearts when you die, with a few other added features.
Deepcraft
A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.

No Immunity Frames
Removes Immunity Frames from all Entities
Cheats Plus - Short Grass
Break short grass for dimonds, totems, and exp bottles.
Blood Spatter Analyst [BETA]
A melee weapons pack based off the popular Dexter Novels by Jeff Lindsay and the Dexter TV Series by Showtime.
OnlyCraftOnce
Do you only want two maces on the server? Are you annoyed by the idea of unlimited items? Then this mod is for you!
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
Disabilities
Gain a random disability every 10 minutes
Keep XP On Death by Juix
Datapack that lets you save your XP on death, without KeepInventory. Fully customizable ! (Milestones, Recovery percentage, or Fixed XP loss)
IFR25KU: The Institute of Fairy Research 2025 Kakera Unofficial
A Minecraft mod that presents a possible world set in the MirageFairy universe.

oSzoukaua's: No loss XP
Drop all of your XP when you die and go recover it all!
Hyper! ඞ
Cursed and complicated tech 'n' magic mod.
B's KnockOnDoor
A simple plugin for roleplay. With this, you can knock on your friends' doors.
Echo Protocol
A psychological horror mod where the world remembers, imitates, and slowly replaces the player.
Challenge Pack
Challenge yourself and beat the game with different challenges! Or just play for fun if hardcore is not enough! This is my first datapack!
Flatuence Update
Players and Mobs now have the ability to pass gas.
Penomior
LeveL System and make your own build and fight with your friend!
TripWireDisarmer
Allows you to use shears to make tripwire disarmed+powered, which can be used to make tripwire (string) duplicators in NeoForge.
TeethDweller
Adds the Teeth Dweller but has progression or something idk

Translucent Lava
simple mod which makes lava look like water
Better Piston Sounds
Better sounds for your pistons! Now even more mechanical and bulky!
Wither Loot
Adds better custom loot dropped by the wither
汉字工艺 Chinese Characters
你已经很久没写过一个完整的汉字了。 It's been a long time since you've written a complete Chinese Character.
JamatoP's Totem TP glitch
JamatoP's Totem teleport glitch from Unstable SMP. Basically when your totem pops, your stasis gets pulled!
SlipperyPlus
A mod make all the blocks incredibly slippery!
Sizeable Creeper
Just a datapack that spawn creeper at different size
Quacky's Better Keybinds
Want to double bind without trouble? Want to just have several keys mapped to 1 slot since why not? Heres the mod for you! Maybe banned from pvp servers.
ULTRADEATH Animation
Replicates the death animation from ULTRAKILL in Minecraft!
Minecraft, But It Gets Faster
Increases the tick speed exponentially, starting at 1 per minute.
Herobrine Mode
Play as Herobrine and explore a cursed world
Illagers Attack Babies
Illagers now attack baby villagers. Because why not.
Last Resort [Cobblemon 1.7]
Adds more ways to get resources from your Pokemon... and possibly consume them?

Trolling Mod
This mod adds a Troll Menu that you can have fun on with your friends!
Typhon
a Volcano Simulator "Paper Plugin" for Minecraft
ForceField
Push pesky players, mobs, and even blocks away from yourself!