Minecraft Java 1.21 Mods
Browse 133,515 free mods for Minecraft Java 1.21 — popular picks include Ruby Diamond Sword, OPShield, ArmorGod.
Step by step: How to install Minecraft Java mods & modpacks
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Ruby Diamond Sword
This makes the diamond sword texture red.
OPShield
Protects your server from OP/admin abuse with console-only OP (via password) and optional admin command restriction.
ArmorGod
This mod adds God armor, which is very good.
3d totem Anby Demara ZZZ
3d retexture totem of undying! Character from Zenless Zone Zero, ZZZ
Gravel to Sand
This mod adds renewable method for gathering sand. It does so by adding functionality for converting gravel items into sand items using a cauldron.
Origins999
Origins999 is a custom Minecraft Spigot/Paper/Purpur plugin that introduces unique origins for players, each with special abilities, buffs, and debuffs. Players can choose an origin, form groups with others of the same origin, and complete quests
CobbleHispano
Modpack based on Cobblemon that includes most of its addons along with gameplay, construction, and exploration improvements for a richer and more polished experience on the CobbleHispano server.
BareBones x BetterArchology
Simply a texture pack that retexturizes the betterarchology in barebones style.
More Recipes: Stonecut Plank to Stairs
Adds Plank to Stair using a Stonecutter.
More Recipes: Color Mini-Collection
A mini-collection of recipes that make changing the color of various items less restrictive.
Modpack For Play
This modpack is designed for playing on servers with a customized texture pack. It includes mods for optimization, construction, aesthetics, utilities, and mod libraries

Light Pink Tooltip (Frame-only Monochrome)
Changes the Minecraft Tooltip to be Light Pink (Frame-only Monochrome) – Part of the Pride Tooltips collection.

Totem of Undying Vegeta
This custom Totem of Undying re-skins into Vegeta, designed in detailed pixel-art style
AfroPets2
Custom pets that follow players! Head pets! Endless pets! Fully customizable! Placeholders!
CrafterLib
CrafterLib - A robust Custom Crafter library for Minecraft
ItzSboys Tweaks
A small resource pack that aims to simplify the hotbar and changes the main menu buttons to look the Essential buttons. Now also includes some slight changes to rails.
Default-Arms Textures
Armor-Stands with arms will have arms and those without will lack them.
Colorblind Diamonds
Shifts the hue of diamond items to make them distinguishable from iron items, by and for colourblind people.
Eternal Nether Star│永恆的下界之星
Nether stars no longer clear after 10 minutes. Same as Bedrock Edition.│下界之星不會在10分鐘後清除。與基岩版一致。
Dynamite
Turns dead sea pickles into tiny dynamite charges

The Claw Datapack
Extend the range you can place/brake blocks with a new tool! Inspired by the Crab Claw, introduced my Mojang in the 2023 Mob Vote.
EVE - Entity Visualization Editor
The best editor text_display and item_display for survival and creativity
oSzoukaua's: Reduced Petals
This is a quick recourse pack that aims to lower the amount of particles emitted by cherry leaves! ( by about 60-70-ish % )
Ore Distribution Scanner
Stop guessing which Y level to strip-mine. Scan the terrain you have already got, then look any ore up in JEI, EMI or REI and read its real depth distribution for your world, your seed and your modpack.
GammaPack
Makes PvP ultra smooth & crisp
Zoneaxiom
Lightweight Region Protection & Portals with GUI | Folia & Paper Supported
Roka's Vintage
Decorations mod adding vintage, orthodox blocks and functioning clocks.
Super Mario Mash-Up Immersive Containers Addon
Enhanced containers for the Super Mario Mash Up Pack!
Totem Remielle from ZZZ
Resource pack replaces the totem texture with an animated texture of the character Remielle from Zenless Zone Zero.
Rune Enchanting
Replace the enchanting system with a rune system. Find runes in the world and apply them to items
Create: Small Extendo Grip
Makes the Extendo Grip from Create mod smaller in first person.
Brewery: Drunk Messages
Makes drunk players sound even drunker by distorting their chat messages based on their alcohol level.
Ember Campfires
A simple resource pack changing all campfires' inventory icons to be unlit while still showing their flame color. Supports several popular mods!
Dupeable Wither Skulls
Wither skulls can be duped just like how armor trims can!
CaveFlow
Caves that breathe — a client-side Fabric mod that simulates underground airflow with a BFS flood-fill and renders dust particles that drift along the computed vectors.
PeaceSMP
A server-driven alignment mod introducing an advanced Karma tracking system, and game-changing combat abilities for survival multiplayer.