Minecraft Java 1.21 Mods
Browse 1,404 free mods for Minecraft Java 1.21 — popular picks include Traveler's Backpack: Stack Upgrade, Crying Obsidian Craft [YACRD], Custom Fishing Loot.
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Traveler's Backpack: Stack Upgrade
An addon for Traveler's Backpack that adds a upgrade to stack items beyond 64.
![Crying Obsidian Craft [YACRD]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/499622.webp)
Crying Obsidian Craft [YACRD]
Now you can craft Crying Obsidian!
Custom Fishing Loot
Plugin for changing the fishing lure
Shulker Packer Mod
This mod adds the ability to automate packing items into shulker boxes.
Inconvenient Inventory
Inventory Anti-Tweaks! Removes all quality of life features from the inventory!
SmartStash
A seamless inventory management plugin that adds smart categorical sorting and one-click item transfers to chests without extra menus or client mods.
THIS
Port of the Chickens mod, as well as roost!
Coalossal Coals
Progressively better and better tiers of coals with balanced costs for the severely late-game final items.
Coherent Content
Small implementation that fixes some of the inconsistencies and mechanics of the game
VeloAuth System
VeloAuth System - The main plugin for server authorization. Paper 1.21+ and Velocity 3.3.0+
Lost Loot
Trade for loot which has been destroyed, broken, or despawned
Hoppers Fill Bundles
Hopper fill and empty bundles when placed in decorated pots. Dev on all my projects will be paused for the duration of the BDS boycott against Microsoft.
Modern Discord Bridge/Portal
PortalCord is a next-generation Discord bridge plugin designed specifically for Paper 1.18 - 1.21 servers.
Redstone Ready Bundles
Allows bundles to interface with vanilla redstone components
MapProtect
MapProtect is built to work alongside automated map rotation systems, allowing FFA servers to maintain clean, reusable arenas without requiring manual resets.
Cameraman
Allows another player or instance of minecraft to record replay/flashback files for you, without them needing to follow you around manually
SyncShield
Minecraft 2FA login approvals and Telegram/Discord chat sync, with rich inventory/item renders and admin controls for safer, faster server management
MobCatcherPro
The Ultimate Entity Transport Solution for Minecraft 1.21+
SimpleChestLogging
An extremely simple plugin for small to medium Paper servers that logs every player interaction with vanilla containers.
PecoraGenesis
PecoraGenesis enhances livestock with genetics, allowing special meat, milk variation, and persistent gene-based traits.
ItemsAPI
A Minecraft server plugin that provides an API for managing custom items and storing them in the configuration.
Chest Door Lock
Lock is a lightweight and multiplayer-friendly Minecraft datapack that allows you to easily secure your items and structures.
Fireproof Bundles & Shulkers
Allows for bundles and shulker boxes to be upgraded with netherite upgrades templates to keep items even if they fall in lava.
Create: Crushed Concrete
Allows the ability to crush all vanilla concrete into concrete powder for the off chance you accidentally turn one too many into concrete. From Dense to dust jiffy quick!
Quantized
Explore the ways of item creation using quantum mechanics
TeleHome
A lightweight Paper/Spigot plugin that lets players save and teleport to personal homes with /sethome and /home. Supports configurable teleport delay, move-cancel, and persistent storage across restarts.
Instanced Loot
Instanced Loot makes every chest’s loot unique per player, fully server-side and vanilla-client compatible.
UniRedeem
Universal redeem code plugin for Spigot, Bungee, and Velocity. Features a built-in REST API, advanced limits, and dual SQLite/MySQL storage.
Loot Lock
Your loot, your rules. LootLock is an open-source Fabric mod for per-player ground-item filtering. Server-authoritative, multiplayer-safe, zero junk.
Access Pad
A simple mod that adds a pad to let you open your benches (chests, furnaces, and blocks from any mod) anywhere in any dimension!
BaxtyBoi's Commands
A few commands to help you in your daily MC life
BLOCK DISPLAY DELETER (BDD)
Adds Command that deletes Block Display
PlotX
This plugin transforms field protection by eliminating technical commands and replacing them with an immersive experience. Through holographic interfaces, it allows you to manage pieces intuitively and directly on the playing field.
MaceGlow
This Plugin enables Glowing when you have a Mace in your Inventory
Hatbag
Adds backpack for hats from mod simplehats with quick swap feature
Simple ItemShop
A lightweight item-for-item shop plugin for Paper 1.21.1. Place a sign on a chest, define what you're selling and what you want in return. No economy plugin required.