Minecraft Java 1.21 Mods
Browse 129,818 free mods for Minecraft Java 1.21 — popular picks include Alternative Block Breaking, Simple Voice Chat: Advanced Groups, Nightlancer.
Step by step: How to install Minecraft Java mods & modpacks
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Alternative Block Breaking
Different block breaking texture!
Simple Voice Chat: Advanced Groups
A server side Fabric mod that adds additional operator commands to supplement Voice Chat groups.
Nightlancer
Adds an ominous boss on horseback
Illusioners (Paper)
Adds an improved version of the Illusioner mob to PaperMC servers!
RevertRaidChanges-Pro
Restored Raid to the logic before version 1.21. Allows most professional Raid Farms to function.
What The Hell Have You Done To My World
The best worldgen mod ever created, easily beating all the other ones.
DynamicDisasters
Experience extreme, physics-based natural disasters like tornadoes and cosmic rifts in 1.21.1 – zero custom textures, fully shader-optimized!
Structural Safety
Seamlessly secure any structure with automatic Adventure Mode, interactive block-breaking rules, timed torches, and an interactive admin configuration.
Random Placement
Each block placed will be replaced with a completely random one!
ScreenshotToClipboard
Automatically copies screenshots to the clipboard. Works on Windows, macOS and Linux.
Controlify Global Defaults
Global Controller Defaults Template for Controlify
Mountain Ores
MountainOres extends ore generation for extremely high worlds (up to Y=2032), as generated by some datapacks.

Deepslate Bedrock
Changes Bedrock to match Deepslate.
Food Stuff
A resource pack adding new foods and edible commodities!
Unlisted.dat
A subtle yet deeply unnerving psychological horror experience embedded seamlessly into Minecraft. You’ll start to question who—or what—is really playing.
GoldenMaus's Titanium Tools
A lightweight expansion introducing Titanium — the perfect step between Diamond and Netherite.
Frogman
What if the frogs were not frogs nor man? With this pack you can turn your beautiful frogs and tadpoles into ugly disgusting creatures that should have never seen the light of day.
Balloonies
Ever wonder how flying Lucky Block would be?
VelocityWhitelist
A Velocity proxy whitelist management plugin.
Beetle's Basic Fun Advanced
Modpack that adds a few QoL mods to the game such as backpacks and mini maps while still keeping things simple
Crafters Optimisations + QOL
All of the optimisation mods I found on here + many QOL mods to improve the overall experience
[MTR 4] MP 05 RATP-IDFM
The FAMOUS metro MP 05 from France !
Bleak
A atmospheric shader pack that transforms your Minecraft world with dark tones, dense fog, and a chilling horror ambiance.
FrictionAim
A lightweight client-side mod for Fabric 1.21 designed to enhance aiming precision. This mod dynamically adjusts your mouse sensitivity when your crosshair is hovering over another player, providing a "friction" effect
Better Buckets
Makes the Lava Bucket and Water Bucket look more realistic!
Airisight
A Neuro-sama themed Minecraft resource pack
Ultra-Pearls
enderpearls will sound like the ultrakill grapple hook (whiplash) when thrown, (will only play the sound 80% of the time)
Blinding Pumpkin Overlay
Just makes the pumpkin overlay completely black.

Mad Pixels 64x
The 64x version of Mad Pixels. Make your world simpler and more cheerful with the Mad Pixels resource pack!
NewCreeper
NewCreeper updates the creeper texture.
Unbelievably Optimised
Quality of life mods while preserving frames and the original vanilla minecraft feel.
UnSignedVelocity2
Allow your moderation plugins to work again for users with versions 1.19.1 or higher. This is a fork of the original UnSignedVelocity made by 4drian3d, updated to work with newer Minecraft versions.
Totem of deadge 7tv emote
This is a simple resourcepack that replaces the totem with deadge emote
catana-sword
resource pack that will replace swords and their names with katana. don’t shoot with Panzerkampfwagen VIII Maus, this is my first experience in 3D resource packs
Nonno's Optimizations
An extremely lightweight pack to make modern versions of Minecraft run on Potato™ PCs
xPixel's Enhanced Craft [REVAMPED]
[REVAMPED] The world is yours to explore, so go play it and have an adventure!