Minecraft Java 1.21 Mods
Browse 21,935 free mods for Minecraft Java 1.21 — popular picks include Tensura Slots, Real Life Heights (RLH), Day countr.
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Tensura Slots
This Addon adds extra slots to the Tensura: Reincarnated Mod
Real Life Heights (RLH)
This Datapack/Mod allows anyone to be their height in real life but in minecraft
Day countr
A day counter mod, Puts the day on the left bottom corner.

Holdable Frogs
Allows frogs to be handheld, after which the frog's tongue is usable to pull faraway entities closer, as well as to obtain froglights.
Dispenser Automation
Manual labor is lame. Use dispensers to automatically break, place or use blocks and items!
Villager Rebalanced
Datapack that modifies the trades of some villagers
Overgrown's Origins: Saturn
The Saturn Origin data pack introduces a powerful deity character with unique abilities and significant drawbacks. This character, born with limitless power and six eyes, can perform devastating attacks like Black Flash and Unlimited Void.
Update Depression
Update suppression helper mod
Passive Aggressive
Prevents mobs hunting passive prey.
Midrian - Zombie Apocalypse
Turn your game into a Zombie Apocalypse!
auto Sprintmod
This mod lets you automatically sprint when you have enough hunger (toggleable via a key)
The Archivist
A fourth-wall-breaking psychological horror mod that uses your real-life PC info to scare you.
More and More Armor
More then a dozen different armor pieces and sets with different abilities!
Banners Everywhere
Place banners in cool new ways
ItemframeSnipper
Make itemframes invisible with shears
Lava Alert
Alerts you if there is lava beneath you.
Nice Huds
Bossbar Huds for players holding Clocks, Compasses and Recovery Compasses. Also adds a calendar/time based event system including seasons.
Shrink Ray
Two new tools for resizing mobs.
Bodebojo's Enchantments
A Datapack that adds random enchantments I feel would fit in the vanilla game
Stonecuttable Smooth Stone
Lets you use a StoneCutter to make Smooth stone instead of smelting it twice.
Structure nature(Alpha)
we add everything we think is fun anything that will enhance the minecraft experience
Simple Shield Delay Indicator
See the 250ms delay of your shield before it starts to block hits!
G1axBowOptimizer
G1axBowOptimizer eliminates the client-side delay caused by server round-trip times when using bows and crossbows
Universal Jewelry
Adds compatibility between Iron's Gems n Jewelry and other mods
No Zombified Piglin ❌
Disable Zombified Piglin in Minecraft by preventing its spawning and removing any that appear in the world
Lucky Enchants
Every block you break can randomly enchant your tool with absurd levels. Highly configurable, lightweight, and pure chaos!
Automatic Potion Restocker
Automatic Potion Restocker is a mod that instantly refills the hotbar slot with the next matching potion every time you finish drinking or throwing one.
O123456789
A mod that changes the item count numbers to those from Create mod
Aether Data Pack: Temporary Freezing
A small change to make The Aether's ice accessories create temporary blocks instead of permanent blocks when freezing liquids.
Better Mob Combat - Reimagined
An add-on mod to Better Combat that allows it to work with (humanoid) mobs.
Aeternum Seasons
A dynamic and realistic station system for Minecraft Survival. Eng & Esp | Plug & Play
Recorder Ingame
Recorder Mod is a lightweight in-game recorder for Minecraft that lets you record gameplay and game audio directly to MP4 files without needing OBS or other external software.
Custom Archeology
Create archeological dig sites with your own items!
StreamingModule
Twitch Drops and Minecraft Twitch Integration | Spigot, Paper, Purpur, BungeeCord, Velocity
Mel's Vanilla+
A simple mod that adds vanilla-friendly features.
SH-Koth
Simple to use, poweful in action. A smarter KoTH solution.