Minecraft Java 1.21 Mods
Browse 127,181 free mods for Minecraft Java 1.21 — popular picks include Jack Black Edition, Unstable SMP Recreation (Server), Aeronautic Additions Tweaks.
Step by step: How to install Minecraft Java mods & modpacks
Updated daily
Jack Black Edition
Replaces basic Minecraft panorama to Jack Black (Steve) from Minecraft Trailer. Basically just a new meme that I added to Minecraft as panorama. Also you could use this resourcepack in your videos
Unstable SMP Recreation (Server)
Server side version of my other UU modpack
Aeronautic Additions Tweaks
A small add-on that revamps the textures, models and recipes from the Aeronautic Additions and ChunkLoader mod.

Pink Shaded Font
Pink Shaded Font adds a soft pink shade to the bottom of every letter in Minecraft's font, so text gains depth without a single glyph shape changing. Shades ASCII, accents and the enchanting-table alphabet. Inspired by philliamm's Shaded Font.
Rainbow Cosmoic Dust Enchant Glint
This 1.15+ resource pack refreshes glint effect with a Rainbow color and Dust pattern. A simple texture replacement — no mods needed.
Elytra Back Slot
Move the Elytra to the cape slot of Accessories or Trinkets — fly with full wing animation while wearing a chestplate.

UNDERTALE WORLD
This is a dimensional exploration mod for Undertale. Although my personal technical skills are limited, I strive to recreate and expand the world of Undertale in Minecraft in my own way.
physicsmod-liquid-bucket-addon
addon for physicsmod added new bucket tool
AnvilCraft: Create
AnvilCraft's Create Addition
peyaj's CustomDiscs
Custom music disc plugin for Paper servers. Upload any audio file, get a playable disc.
Stronghold Finder (SF)
A simple client-side mod that calculates stronghold location from Eye of Ender throws and includes customizable UI themes
Phase Pulse
A lightweight mod for Minecraft that bridges in-game events to the Phase Pal desktop companion app. Sends real-time player and world events via local TCP to enable ambient companion reactions.
67 Totem
This pack changes the look and sound of the Totem in Minecraft
Dark UI REBORN
Dark UI – Modern Minecraft GUI
Random Sizes
Every 60s Your Size will randomly change
Mobcrafter
Turn your block creations into controllable units. Build structures, capture them, and command them like an RTS army in Minecraft.
Play as SHAW
This pack changes your player model so that slim skins become Hornet and wide skins become the Knight from Hollow Knight.
Enchantment Tooltip Cleaner
Enchantment Tooltip Cleaner can remove enchantment lines and/or the gray description text beneath them.
RockTown Create's & Tech
Create & Immersive Engineering focused modpack for builders, farming & engineers alike!
Chronicles of Kings - Storage
Harness the power of crystal to store, sort, and shape your kingdom’s legacy.
Boss Land
Boss Land extends vanilla gameplay by adding 15 unique custom bosses across multiple tiers.
JoJoPack
7 Mobs from JoJo's Bizarre Adventure (CEM)
Secret Forest
A modpack with a combination of tech, exploration, magic mods
VillagerBucket
A new way to transport Villagers!
BungeeViaProxy
A BungeeCord plugin to fix compatibility issues with ViaProxy, enabling seamless multi-version support for backend servers with reduced overhead.
Green Crystal(绿晶)
Modify the rendering logic for projectiles in the game to enhance the performance of the game world.
Music Disc Madness
Every background music in Minecraft is now a music disc. Oops.
Custom Score Numbers
Remove the red numbers in the scoreboard or change the color

Disable Spawn Eggs
This plugin can turn off spawn egg placement, placement of spawners and commands in books.
Books without Borders Updated
Easy book management
Drippier Dripstone
Improves the model of Pointed Dripstone.

Evolved Lights
New Look For Your Torches & Lanterns!
Minecraft Ten Font
Minecraft Ten Font for Java Edition - replaces Minecraft's default font with the chunky, poster-weight caps of the modern Minecraft logo. Letters, numbers and symbols redrawn in HD: chat, menus, signs and item names all restyle at once.
Version Mod Sorter
Load mods from version-specific folders (mods/<loader>/<version>/). Supports Fabric, Forge, and NeoForge.
Gray
PVP-focused overlay pack for lokamc. Various tweaks were given to show the diffrence between kb2 swords and non kb2 swords and better fps
Smarter Copper Golems
Makes Copper Golems smarter by adding intelligent chest sorting when they transport items - they now organize items by similarity instead of wandering aimlessly.