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Minecraft Java 1.21 Mods

Browse 36 free mods for Minecraft Java 1.21 — popular picks include Insane's Survival Overhaul (aka IguanaTweaks Reborn), DulkirMod-Fabric, Better With Time: HC Tweaks.

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Insane's Survival Overhaul (aka IguanaTweaks Reborn)
1.21.1neoforge

Insane's Survival Overhaul (aka IguanaTweaks Reborn)

Overhaul survival with many changes to existing mechanics. Weapon rebalance, enchanting rework, and much more

2.1Mdownloads
DulkirMod-Fabric
1.21.11fabric

DulkirMod-Fabric

A Quality of Life Mod for Hypixel Skyblock

270kdownloads
Better With Time: HC Tweaks
1.21.1fabric

Better With Time: HC Tweaks

An add-on for the BWT mod which changes some features to be more "hardcore".

104kdownloads
OmniCut: Better Wood, Copper, and Stone Cutter
1.19.4

OmniCut: Better Wood, Copper, and Stone Cutter

OmniCut is a quality of life datapack: the Stonecutter cuts wood logs to wood items, cut oxidized copper doors, convert stone blocks back and forth, and recycle wood items. Prices are set in the spirit of the vanilla game with minor discounts, if any.

40kdownloads
ArmorTweaks
1.21fabric

ArmorTweaks

Different armor and damage mechanics that make make survival more suitable for PvP.

20kdownloads
Carpet Minitweaks
1.21.11fabric

Carpet Minitweaks

An extension for Carpet Mod with many toggleable survival-oriented game mechanic changes

18kdownloads
JoaCarpet
1.21fabric

JoaCarpet

A small carpet extension mod with useful features for redstone and storage tech (+some minor survival tweaks)

13kdownloads
Flight Mod
1.21fabric

Flight Mod

Fabric mod that adds hunger-based flight for survival or client only creative flight tweaks

5.2kdownloads
JSST
1.21.5fabric

JSST

A suite of server-sided quality of life tweaks and survival-friendly tools.

4.6kdownloads
Improper's 3D Minimap
1.21.5fabric

Improper's 3D Minimap

Minimap but with 3D terrain. Enhance your survival caving experience with this radar!

3.3kdownloads
SkyButtons
1.21.8fabric

SkyButtons

Utility mod for Hypixel Skyblock focusing on low-latency warp requests with a fancy new optional menu.

2.2kdownloads
Simple Survival Tweaks
1.21fabric

Simple Survival Tweaks

A mod that allows you to tweak various aspects of your survival world

1.5kdownloads
kutils
1.21.5fabric

kutils

A collection mod of client side qol features and tweaks from older pvp mods but for 1.21+, with unique skyblock and ui features.

1.2kdownloads
TechMeg-Endless Survival-
1.21.11neoforge

TechMeg-Endless Survival-

TechMeg – Endless Survival is a challenging survival modpack that expands vanilla gameplay with progression tweaks, multiplayer-friendly mechanics, and enhanced exploration.

824downloads
SkyFilter
1.21.4fabric

SkyFilter

Utility mod for Hypixel Skyblock. Loose cannon spam/scam filter.

812downloads
Qualité de la vie
1.21

Qualité de la vie

Adds Quality of Life features that everyone needs in their Survival and hardcore worlds and servers

799downloads
Cauldron Concrete
1.17

Cauldron Concrete

Powder into a cauldron gets you concrete! Vanilla friendly and perfect for servers wanting a survival experience of the cauldron concrete functionality from Vanilla tweaks.

768downloads
Simple QoL
1.21.8

Simple QoL

This plugin aims to add simple quality of life recipes and tweaks to minecraft to make survival a little more enjoying than plain vanilla.

635downloads
QoL
1.21.5

QoL

(1.21.5+), Adds Quality of Life features that everyone needs in their Survival worlds/servers (will also include some of my other datapacks/mods in here)

347downloads
Nether Improvements
1.14

Nether Improvements

Configurable, survival friendly tweaks to make the Nether more interesting on Vanilla servers!

291downloads
Villager Breeding Tweaks
1.21

Villager Breeding Tweaks

A plugin that decreases villager breeding cooldown and growing age, making villager breeding and growth faster for survival servers and SMPs.

284downloads
Beefy's Survival Utilities
1.21.4fabric

Beefy's Survival Utilities

A few nice utilities made by BeefyAndTheDucks.

226downloads
[SW] Aether Tweaks
1.21.1neoforge

[SW] Aether Tweaks

Simplifies Aether accessories to capes + gloves, replaces survival inventory with accessories screen, and restricts Sun Altar to OP players.

197downloads
Unmount
1.14

Unmount

Automatically break your Minecart on dismount! Quality of life addition for survival servers to clean up railways.

111downloads
Survival Asterisk
1.21.1neoforge

Survival Asterisk

Configurable tweaks to make survival more difficult including random respawns and reduced natural regeneration.

105downloads
Cozy Server Kit
1.21.4forge

Cozy Server Kit

Lightweight server utilities for small survival servers: land claims, death chests, homes/TPA, starter kits, and more.

86downloads
Ultimate Vanilla
1.21.11fabric

Ultimate Vanilla

A fully configurable collection of vanilla survival tweaks

45downloads
mSurvival
1.21

mSurvival

A comprehensive, modular, and lightweight survival core that brings essential features like Home GUIs, Async RTP, and staff utilities into a single, high-performance package.

39downloads
Route Helper
1.21.11fabric

Route Helper

This is a QoL mod for skyblock that adds player relative waypoints. This is most usefull for routing out grottos easily.

35downloads
KyuTweaks
1.21.11

KyuTweaks

"Slight" Tweaks and Additions for vanilla survival.

21downloads
Quality Of Life Enchants
1.2.1

Quality Of Life Enchants

QOL Enchants QOL Enchants is a lightweight, high-performance plugin that adds three custom quality-of-life enchantments to your Minecraft survival experience. These are designed to make resource gathering smoother, faster, and more satisfying.

1downloads
Carpet Minitweaks Mod (1.21.11, 1.20.1) – Extension for Carpet Mod
1.21.11fabric

Carpet Minitweaks Mod (1.21.11, 1.20.1) – Extension for Carpet Mod

Carpet Minitweaks Mod is an extension for Carpet Mod with many small, mostly survival-related features and game mechanic changes. Features: Carpet Rules: In-game with /carpet list minitweaks By default, every rule is disabled, but can be enabled with /carpet (rule name) (value) Rules List: allChargedCreeperHeadsDrop All mobs killed by a charged creeper drop their head […]

JSST Mod (1.21.5, 1.20.1) – Custom Editors And Survival Enhancements
1.21.5fabric

JSST Mod (1.21.5, 1.20.1) – Custom Editors And Survival Enhancements

JSST Mod designed to enhance gameplay with quality-of-life tweaks and survival-friendly tools. It offers a suite of features like item, banner, and map editors, alongside gameplay enhancements such as beacon improvements and sapling replanting. It’s ideal for servers and single-player worlds aiming to streamline survival mechanics while maintaining a vanilla-like experience. Features: Includes a Banner […]

Armor Tweaks Mod (1.21.1, 1.20.1) – Tweaks Armor & Damage Mechanics
1.21.1fabric

Armor Tweaks Mod (1.21.1, 1.20.1) – Tweaks Armor & Damage Mechanics

Armor Tweaks Mod makes some adjustments to the protection provided by different armor types and also tweaks the damage dealt by players wearing specific gear. The goal of these is to make the survival game more optimal for a PvP scenario. The list of changes as noted by the developer are given below. Features: Players […]

SurvivalTweaks [1.21.6+]✨ Better vanilla mechanics ✅
1.21spigot

SurvivalTweaks [1.21.6+]✨ Better vanilla mechanics ✅

FREE! | Created to add some useful mechanics for useless items

1.3kdownloads
Pragmatic Apparatus Mod (1.21.1) – Automate Resource Mining and Fly in Survival
1.21.1

Pragmatic Apparatus Mod (1.21.1) – Automate Resource Mining and Fly in Survival

Pragmatic Apparatus Mod brings classic utility tech, creative flight items, and automation blocks back to your world. It recreates many popular mechanics from older utility mods from the ground up. You can build powerful quarries to mine resources automatically while exploring brand new dimensions. The mod also adds simple item sorting pipes, huge storage drums, […]