Minecraft Java 1.21 Mods
Browse 849 free mods for Minecraft Java 1.21 — popular picks include UHC+, Bountiful Amethyst, Impossiblecore: Hardcore Ascended.
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UHC+
Ultra Hardcore+ (UHC+) Hardcore Deluxe add-on that adds a lot of new features to Minecraft Hardcore.
Bountiful Amethyst
A mod that gives amethyst more uses. Tries to be vanilla and survival-friendly.
Impossiblecore: Hardcore Ascended
A mod aimed at improving the survival/hardcore experience.
Hardcore Spawn
Changes spawn mechanics to be more difficult with the end goal of setting you spawn point in a different way.
FishCraft By Alan
FishCraft is a comprehensive fishing overhaul plugin that replaces Minecraft's vanilla fishing system with a fully customizable, progression-based experience. Perfect for RPG, economy, and survival servers looking to make fishing more rewarding
Health Indicator Display
Shows a live health bar under every player's name using easy scoreboard visuals. Works in survival, creative, and multiplayer. Lightweight and fully automatic.
Survival to creative twist
Every 5 minuts you can choose one item , you'll get 1 of it
AH-Sniper
Client-side Hypixel SkyBlock AH assistant that highlights newly listed BIN deals with configurable alerts.
TrialChamberPlus
Enhance Trial Chambers with custom rewards, difficulty scaling, leaderboards & statistics! Perfect for survival and SMP servers. Built for 1.21+
Rasterpiece Theater
A mod that adds the FNaF franchise to Minecraft. This mod is more survival-based than creative.
Netherrack Is OP
Turn Netherrack into an OP loot source with this fun, survival-enhancing datapack.
Still Alive !
Re-balance of the health system, better early game, making survival harder but not absurdly hardcore.

Hammer-On
Anvils can now take damage from falling one block. Made for balancing carpet extra's renewableSand.
skyhelper
This mod displays additional information on the Hypixel SkyBlock server
Command Suite
Command Suite adds a collection of useful commands for survival, creative building, testing, and administration, including God Mode, flight, healing, night vision, and more.
ForageBites
FOR ANY INQUIRIES DM WONGERS432 ON DISCORD ForageBites is a client side Fabric mod for Hypixel Skyblock that tracks your foraging efficiency by displaying real time Trees Per Minute TPM and session averages via a customizable drag and drop HUD overlay
Smooth Survival: Early Game Overhaul
Enhanced Recipes, A better way to fly and so much more
MIA RPG Client
Welcome to the ultimate Minecraft RPG experience! Our server combines classic survival gameplay with deep RPG mechanics, challenging dungeons, and endless exploration opportunities.
MineRP
A mod with items and mechanics for RP servers and survival.
Mia RPG Server
Welcome to the ultimate Minecraft RPG experience! Our server combines classic survival gameplay with deep RPG mechanics, challenging dungeons, and endless exploration opportunities.
Bluebell
The Bluebell mod adds new tools, the Hammers, which make mining easier by digging out an area of 3 by 3 blocks, one block deep. It also adds emerald equipment (weapons, tools, and armor).
Hunter And Hunted
Hunter and Hunted makes mobs smarter and deadlier—creepers ambush from cover, skeletons kite you, and Endermen silently stalk if you stare too long. It’s a lightweight plugin that turns survival into a true predator-versus-prey experience.

Beefy's Survival Utilities
A few nice utilities made by BeefyAndTheDucks.
CraftStands
A Crafting Focused Armor Stand Datapack focused on Survival, Limited, but unique Armor Stands. Unique functionality with special item based animations & commands!
Health Status Indicator
A simple Minecraft HUD addon showing classic-style health, and status effects with a clean and optimized design. Lightweight, responsive, and perfect for survival, PvP, and modded gameplay.
mSilkBedrock
A plugin that allows you to mine bedrock in survival.
FGF Hero
FGF Hero is a hardcore event plugin inspired by Minecraft Helden where players are linked and share their fate. It creates an intense survival experience where you either win together or lose together.
Block Display Vanilla Maker
Block Display in survival!
Spider Drops OP Loot
Turn spiders into an overpowered loot source for intense and rewarding survival combat.

LightBlockPlus
Allows Survival mode players to break or modify the light level of light blocks.
Limited World Helper
This Mod adds craftings and trades to Minecraft for those who play in structureless superflat and/or skyblock!
XP2HP
XP2HP is a lightweight, Folia-compatible plugin that dynamically scales player health and combat stats based on their experience level. It's ideal for RPG-style progression and fully configurable for survival or adventure servers.
Budding Resources
Budding Resources offers a way to generate resources from nothing but crystals. this mod is great for generation restricted modpacks such as skyblock!
Sloths Display Entity Editor
Create, modify, and delete Block and Item displays, even in survival!
FullBelly
All forms of movement now consume hunger, making food a fully utilized resource and turning every action into a meaningful part of survival.
Better Reimagined
Enjoy this survival experience in an epic and immersive adventure. It introduces new mechanics that enrich gameplay with dynamic combat, while vibrant new biomes and impressive structures encourage exploration with unique and challenging mobs