Minecraft Java 1.21 Mods
Browse 1,917 free mods for Minecraft Java 1.21 — popular picks include ChunkSee, NotchArrowUtils, IPGuard.
Updated daily
ChunkSee
A mod that adds a keybind to see chunk borders in minecraft.
NotchArrowUtils
An All-In-One Fabric Utility mod for the latest Minecraft versions.
IPGuard
Raise the protection of your players one more level on your server!
RedoxKits
Redox Kits is the ultimate kits plugin for Practice servers. It's specially optimized and includes a wide range of customization options. This public plugin offers a kit layout editor.
Sinytra Connector Crash Fix
Fixes crash in Sinytra Connector
Dyeable Saplings
Dye any sapling into a specific tree type.
![AntiRedstone| Advanced Redstone Lag Prevention [1.18 - 1.21.4]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/149097.webp)
AntiRedstone| Advanced Redstone Lag Prevention [1.18 - 1.21.4]
A performance-friendly plugin that blocks all redstone activity on your server and reports coordinates of redstone spam attempts.
brain
A Minecraft mod that disables spawn chunks to improve world loading performance.
BetterSoundMixer
You can adjust the volume more precisely than with Vanilla.
Yarnwrap
Library for runtime deobfuscation of Minecraft, used by scripting runtimes.
Projectile Fix
Fast moving Projectiles in Minecraft dont display correctly on the client. this mod fixes that.
BindAlias
be like cfg pro in counter strike
Improved Shield
A mod that improves shield usability
TeamErrorFix
A mod to fix the player either on another team or not on any team error
ChunkyFast
ChunkyFast is a high-performance chunk pregenerator for Paper 1.21.x. It provides a clean, predictable workflow for pregenerating terrain, supports running multiple world jobs in parallel, and includes built-in scheduling and load control.
Double Doors Server
A Bukkit/Spigot plugin that opens mirrored double doors together, with low-latency syncing and optional compatibility handling for common server stacks.
AtomGuard
🛡️ Advanced Minecraft Server Security & Exploit Protection — No scam unlike other plugins this one works fr.
More Trapdoors!
This datapack improves trapdoor crafting by making each recipe yield 6 trapdoors instead of 2. Now you get more value from your wood, making it easier to build and decorate!
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
expRepair
Take control of your Mending enchantment. expRepair lets you decide when and how your gear gets repaired using your stored XP — no more losing XP to random orb pickups at the wrong time.
SG Unlimited Trades
A simple mod to reset trades when open the gui of a villager
GlobalMarketplace – Auction | Geyser Support
Cross-server Auction House for Paper with anti-dupe, Vault economy, and Discord support.
Enhanced Hoes
Hoes can mine more blocks!
Item Compare
A comparison tool that lets you compare item stats and enchantments side-by-side with visual +/- indicators, including support for Hypixel Skyblock. Simply hover over items and press M to instantly see which gear upgrades are actually better.
Sepd_Kits
A Better Kits Plugin For Your Server
SmeltedOres
Smelts ores that are mined instead of you having to smelt them
Androidium
A lightweight optimization pack designed to reach a great amound of FPS on phones.
Gamemodes
Making gamemode swapping quicker and easier. Short gamemode swapping commands & ability to lock gamemodes. E.g: /gmc
Stillagers
A datapack which helps with villager lag in trading halls.
Vanilla Essentials: Technical Tools
A mod that adds useful tools for technical players, command block users, and mapmakers.
FastExpPickup
Makes picking up experience orbs configuratively faster.
Client Guard
Blacklist certain mods such as Freecam, hack clients, etc. The only plugin that allows for kicking players with selected mods without a client-side mod.
LagXpert Free
Modular lag management for every server.
Translucent Lava
simple mod which makes lava look like water
Tweaks
Change some values in Minecraft using gamerules
more gunpowder (creeper)
A simple vanilla datapack that increases Creeper Gunpowder drops. Perfect for players who want more Gunpowder without changing other gameplay mechanics.