Fabric Mods for Minecraft 1.21
Browse 23 free Fabric mods for Minecraft 1.21 — popular picks include item placer, Granular Hunger, MT Inventory Weight.
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item placer
Place any item on any block side (supports multiple item in one block)

Granular Hunger
A mod that reworks the hunger system to be more granular, and ports some systems from BTW's Hardcore Hunger.
MT Inventory Weight
Weight mechanics! Manage your load, balance inventory, and enhance survival or RPG-like gameplay.
Worldly
Worldly adds a collection of configurable Minecraft world types, from classic Skyblock and OneBlock to Chunklock, Backrooms, Random Drops, Mountaineering, Fishing Border, and more.
Vanilla But Wrong
Vanilla but wrong is a Fabric psychological horror mod for singleplayer and multiplayer. One shared sanity system, adaptive Director events, trauma progression, and UI/audio corruption turn normal survival into a tense mind game.
Draventh Ores
⚒ Advanced Tier Ores & Equipment This mod expands Minecraft’s survival progression by introducing 15 new late-game materials, each with full armor and tool sets. The goal of this mod is simple: Extend progression beyond Diamond and Netherite with a struc

Randinium
Random item challenges usually have no progression. This mod changes that by introducing a custom resource, drop multiplication and endgame gear. (Intended for Skyblock)
player tick freezer
freezes survival players too when you do /tick freeze, not creative or spectators

Heartcore
A configurable Minecraft Hardcore mod that removes hearts when you die, with a few other added features.
Server Hardcore
A simple mod that makes a new world every time a player dies in hardcore.
JustARod
A mod that adds a lot of end rods,hardcore physiological mechanisms and useful items
Sanity System
A subtle psychological horror mod that adds a hidden sanity system, immersive hallucinations, and fear-based survival mechanics to Minecraft 1.21.4 Fabric.
MobPVP // CANCELLED
MobPVP transforms your Minecraft survival experience by assigning levels to every living creature in the game. Based on these levels, mobs gain different abilities, attributes, and loot chances, creating a more challenging and rewarding combat system.
Hardcore-ban
Hardcore Ban Mod The Hardcore Ban Mod enhances the gameplay experience by automatically banning players for 24 hours upon their death.
Sanity System – Psychological Survival
A subtle psychological horror mod that adds a hidden sanity system, immersive hallucinations, and fear-based survival mechanics to Minecraft 1.21.4 Fabric.
Survival to creative twist
Every 5 minuts you can choose one item , you'll get 1 of it
Sloths Display Entity Editor
Create, modify, and delete Block and Item displays, even in survival!
简易生存 Simple Survival
I added over 100 recipes! 【Breaking the balance】
Glassification
Glassification transforms the entire world into fragile glass, removing structural safety and leaving survival to pure mechanical mastery.
mutationcraft-plus
Adds 24 random world mutations that completely change Minecraft every 5 minutes, making every survival adventure unique.
Hardcore Slots
In this mode, every time you take damage, one slot in your inventory becomes locked and can no longer be used.
Random Eventy
When creating a new world you have a new button, there you can configure the randomness of your survival world!
ScarBound
A simple survival challenge where avoiding damage matters and every mistake leaves a mark