Minecraft Java 1.21 Mods
Browse 126,758 free mods for Minecraft Java 1.21 — popular picks include Slick and Packed, Mithril Ores and Crafts, Bundle Recipe Backport.
Step by step: How to install Minecraft Java mods & modpacks
Updated daily
Slick and Packed
A slick modpack with tons of quality of life features that is packed with features and optimisations - and is completely vanilla! Some mods (such as freelook) may not be allowed on specific servers, but most are allowed everywhere.

Mithril Ores and Crafts
Add Mythril ores in the minecraft world and their craftings
Bundle Recipe Backport
Backports the 1.21.2 bundle recipe to 1.21/1.21.1
Level Is Health
Simple server-side mod that ties player health to their experience level. Configurable.
ORNGstone Torches
New redstone torch looks, with the same ol' classic redstone feel.
ANIMATED! Spiderman
This Java version has an animated Hotabr for Survival and Hardcoe mode with Spiderman theme.

Balanced Mending
Mod which changes how mending enchantment works. To repair an item you need it's standard repair ingredient in your inventory. For each durability point you repair, there is a chance that the repair ingredient is consumed.
Black Glowing 3D Tools
A black recolor of Glowing 3D Tools.

Flashback Recording To World
Converts Flashback Mod recordings into playable Minecraft worlds.
Godzilla: Reborn
A revamp of the Godzilla: Rising mod, this time for NeoForge!
BlockbenchLib
Rendering and animation library for implementing free formatted blockbench models into Minecraft

Old Diamond Sword
Changes the diamond sword texture from 1.13 and below
Element Attribute Addon[NeoForge]
Attributes for combat that focus on elements such as fire, poison, ice, and electricity
Fast Interact
Configurable Interact speed, ( Place blocks Lightning Fast )
brodys smp essentials and stuff
Crystal faster and get better at SMP minecraft servers instantly!
Horror Blocks and Items For Maps
This Mod Adds a bunch of blocks and items like : A gun,blood,a body bag,a dead body,a body outline,a new door,a locked version of the new door, a key and others

Retextured Chests
Chests, and trapped chests now have an updated wooden texture.
Damage zone
Set a zone, where players will be getting damage
VerifyMC
Modern Minecraft whitelist plugin: web registration, email verification, admin review, multi-theme, i18n.
Cloud's FPS Booster
This pack is designed for Forever Survival Servers, such as the Infinity Cube SMP. It's highly optimized for performance (FPS boosting), with quality-of-life enhancements.
VR Optimized
Modpack optimized for playing in VR
Surf Server Brand Customizer
Customize the server brand displayed to the player in the F3 menu
Infected Flesh
"Infected Flesh" item to turn villagers into zombie villagers
WorldAdminZ [1.20 - 1.21]
Simplify Minecraft world management with commands
colored amethyst
Resource pack to make it easier to understand when collecting Amethyst Clusters
Fexcraft Official Modpack
The official modpack of Fexcraft - Trains, Cars & More
Valkyrien Skies and Immersive Portals Compat
This is a comparability bridge mod between Immersive portals and the unofficial player port of Valkyrien Skies 1.21.1 NeoForge
FunEnchantments
Adds powerful tool enchantments like Auto Smelt, Magnet, Drill, Scan, Lumberjack, Filter, and upgraded vanilla enchantment levels.
PokeUtilities
In-game spawn finder and dex for Cobblemon. See where anything spawns, its evolution requirements and learnset, plus IV and catch-rate overlays in the world.
Crakz's Modpack
This is going to be a modpack heavily performance based but still keeping qol features for different gamemodes (CrystalPvP, NethPot, DiaPot, etc.)
Create: Frogports Plus
Frogport Plus adds Frogport Signal, a Create-compatible frogport upgrade with built-in redstone control and a configurable pulse timer.
The Midnight Pristine
Expands on The Last Voyage of the Harpy Express modpack by adding a new map to be used. It also adds some QoL mods.
PlayerControl
Swap bodies with other players, or control Carpet fake players
Mobs Are Gone
A mod that gives you full control over which entities are allowed to spawn in your world.
PMW: Precipitation Redone
This texture pack acheives to reach a different style of rain and snow.
Stennos Dark Mode
🌙 A Real Dark Mode Pack for Vanilla Minecraft 🌙 No Grey, No Brightness, No Fluff