Minecraft Java 1.21 Mods
Browse 126,420 free mods for Minecraft Java 1.21 — popular picks include Rotting Away, Loafly, Inventory Shuffle.
Step by step: How to install Minecraft Java mods & modpacks
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Rotting Away
Undeads are infectious. Play this new twist on infection mods.
Loafly
Transforming your world with improved performance and an enhanced gameplay experience!

Inventory Shuffle
Adds group-based per-player inventory shuffling with customizable options. Works on both integrated/LAN and dedicated servers, not required on clients.
Censorship
A server-side mod that helps maintain chat civility by filtering inappropriate language and content.
Monster Money
Earn money when you kill a monster!
Iridium Network Modpack
The ever changing custom modpack for the iridium minecraft network

Glance
GUI Tweaks for Minecraft
Kyo's Cottonwood Forest
Adds a cottonwood forest and allergy system for said forest
More Glass Varients
Adds more glass variants to Minecraft, like hardened and charred glass
BlackHomes
a Simple and lightweight home plugin
ProbablyAri's Modpack
The optimized and beautiful modpack that I personally made for myself
NecoCraft Totems
Resoursepack for server NecoCraft in RP
Default Double Plus
A mod package of mods and resourcepacks that enchances the gameplay of Vanilla Minecraft while keeping it feeling the same.
Nerfed Copper
Reduces copper ore drops
soiderino's modpack
👀 Just a modpack
Crystal PVP Purple
A Crystal PvP resource pack that turns the End Crystal 3D and purple, adding animated items and custom purple-themed textures.
Amethyst UI
Dark inventory theme featuring amethyst elements.
Cartoon RP
This resource pack uses Minecraft’s built-in vanilla shaders to give the game a bright, beautiful cartoon-like look with richer colors, soft glow, and a more vibrant overall image.
Hedgehog Saga
Adds new decorative blocks, plants, worldgen features, and MUCH MORE inspired by Sonic.
Brighter obsidian
Makes obsidian 50% brighter, inspired from luigiToan's game textures.
Blocky Leaves
Adds a blocky inside to leaves
mod a dreamscape
A modded variant of dylan's dreamscape. New biomes, beautiful landscapes, plenty of furniture, stunning visuals and pleasant sounds!
Cheaper Spyglasses
Makes the spyglass use Glass instead of amethyst.
UndertalePVP
Changes PvP items to Undertale Textures
Redified's PVP Modpack
This project contains Redified's modpack is a minimalist PVP Modpack that just works, optimized, preconfigured settings, some QoL, & a vanilla-look. No bannable mods used.
Field Guide :Monster Check List
A monster checklist mod that integrates with Field Guide to track unlocked monsters, with milestone rewards and attribute boosts.
Squint
Client-side mod for Minecraft 1.21.1 (NeoForge & Fabric). Replace vanilla render cutoffs with per-category distances, optional ultra-far draw, and limits you control.
Stone Drop
Ores drop straight from stone and deepslate, with a Mining XP level system, per-player toggles and an upgrade shop. Server-side, no client mod required.
Essential Translator
Adds independent Russian, Ukrainian, and pre-reform Russian translations for the Essential mod. Translations remain installed when Essential is updated.
Halloween Spooky.xo
Spooky.xo is a Halloween-themed Minecraft resource pack that gives the game a cozy autumn atmosphere with a dark, spooky style GUI. It also changes leaves and foliage to warm fall colors.
PlasmicMC
The official PlasmicMC modpack, required to join the server, now on Modrinth!
ElytraSense
Wear chest armor and an elytra at the same time. Store your elytra in a personal chest, open it with triple-sneak or /elytrasense, and glide with a vanilla-style deploy — no client mods required.
Treefyds
Grow carnivorous walking plants, harvest their oil.
veryHotbar
A lightweight quality-of-life mod that makes inventory management faster and more intuitive. Seamlessly swap your hotbar with inventory rows using the arrow keys.
CobbleBeta
This modpack combines Cobblemon with Minecraft Beta 1.7.3 to create a nostalgic Pokémon survival experience, featuring classic terrain generation, old-school gameplay mechanics, and a simplified modded environment.
Niko Plush Totem!
Replaces the Totem of Undying with the Niko OneShot Plush!