Minecraft Java 1.21 Mods
Browse 2,492 free mods for Minecraft Java 1.21 — popular picks include Instant Thumbnails, BoomTNT, Breached.
Updated daily
Instant Thumbnails
Create stunning Minecraft thumbnails with powerful building tools, cinematic cameras, visual enhancements, and performance optimizations—all in one modpack.
BoomTNT
BoomTNT replaces boring vanilla TNT with four absolutely chaotic explosives. No block damage? Wrong. Swapping your friend's house with lava? Yes. Turning every cow into a creeper? Absolutely.
Breached
Breached is a competitive Minecraft survival mod inspired by Rust, built for players who enjoy looting, PvP, raiding, and base-building. It keeps much of Minecraft’s core survival identity, but adds unique systems that force raiding/basing/PVP.
KayleensBuilderPack
Family-friendly modpack for building cool stuff and having fun.
BidVault
A complete server-side Auction House system for Minecraft 1.21.4 with built-in economy, advanced filtering, live search, pagination, and an intuitive chest-based GUI.
Empiremodpack
A stylish, cozy Minecraft modpack designed with creativity in mind—perfect for building, decorating, and exploring without the chaos of magic or overpowered mobs
ArcaneAuctionHouse
💎 The ultimate Auction & Gifting system for Paper 1.21+. Modern GUIs, Multi-Slot Selling, Taxes, Expiry, and fully configurable. 🚀
Spyros Tools
Adds a GUI with many useful tools for Building Server: Warps, Player TP, Effects, Attributes and much more. + Tutorial how to customise the DataPack and make it your own.
Hearthside
Hearthside is a cozy, Vanilla+ survival modpack focused on building a home, exploring beautiful landscapes, and following light quests. It also includes a touch of tech for automation and helpful QoL machines —comfort first, grind last.
Cozycraft - BBF
A pack designed for building, exploring, and chilling.
SP Optimization
Pure optimization building block for only singleplayer playability. (Meaning tps and server interaction optimization mods are not included)
base-core
A Minecraft mod for large multiplayer servers that adds base attack and defense gameplay
SilentTech
Explore the Depths of your Minecraft World while also building up your base to be able to forge stronger Tools, Weapons, and Armor. This is a pack built around Silent Gear and Oritech
NTBD Cobble X Create
Cobblemon X create mod base with extra addons
NOCO SMP 3
Mods for Noco Smp3, its designed for a perfect vanilla plus experience on the Community Server of the streamer nurnoco. Enjoy, building, exploring and meeting new friends with this chill extended vanilla pack!
ChunkVisualizer
A lightweight tool to visualize chunk boundaries without F3+G. Database support
RevivalRpMods
A Minecraft 1.21.8 modpack for roleplay servers. Adds new biomes, dungeons, RPG skill trees, building blocks, and tech mods for survival and adventure.
WhyJan's Texture Pack
The texture pack that WhyJan uses in his Building with Jan world.
Creative Crafting
A new vanilla styled building mod for builders looking for that subtle but well deserved change!
SmartLife
A realistic evolution 🧬 plugin! Your playstyle (mining ⛏️, fighting ⚔️, building 🧱) dynamically shapes your player's traits 📈, mood 😊, and energy ⚡.
Unpackable Ice
Unpacking recipes for Packed Ice and Blue Ice. Revert them into their base forms in the crafting table.
Kulka - AntyLeak
Replaces all blocks that can leak your base with netherite blocks so you never accidentally leak it.
ForBuilding
This Modpack is for people who want to build more than 32 chunks with high FPS rates, sacrificing some new blocks from 1.21.8 for performance (⊙_◎) .
CasleRush
CastleRush, inspired by the German Youtubers "Rewinside" and "Ungespielt". A Paper Plugin that you can install to play an optimized version of the Format. Build your Castles with how many friends you want and race against them at the end.
Crafting Recovery
Crafting Recovery lets you break items back down into base materials, enhancing reclaimation of resources, by adding intiutive reversal recipes for early-game items.
PLASTIC CRAFT
A unique expansion that introduces versatile plastic materials, custom building blocks, and tools to upgrade your Minecraft survival experience.
Database Leaderboards
Make placeholders of leaderboards or data of each player from any plugin connected to MySQL.
GlobalMarketplac
Cross-server Auction House for Paper with anti-dupe, Vault economy, Discord support and built in Geyser Support.
Convenient Chipping Modpack
A modpack that combines the Chipped mod with world generation, storage, immersion, and quality of life mods designed to make play-throughs focused on building with Chipped more convenient and immersive.
Dracula's Bedrock Obfuscator
Dracula’s Bedrock is a streamer-friendly texture pack that obfuscates bedrock while keeping a bold red, black, and white aesthetic. It’s designed to prevent base coordinates from leaking while maintaining a visually striking, modern look.
asdfbase
An old friend groups server rules brought to life in a plugin You start with 3 Lifes, and can take others Lifes... Maximum is 5 and if you reach 0 you are BANNED PERMANTLY
The Bob Mod!
The Bob Mod adds, you guessed it, Bob! Bob can fly around his bob castle, and his portal room to the Bob dimension. The Bob chicken is also added, and is a brand new boss to fight!
StableAuction
A stable, no bugs, modern feature rich auction house.
Pretty Panorama - Woodland Mansion
This pack replaces the default panorama with a woodland mansion panorama!
Project Tiger
This is a light weight w.i.p mod with new buildings and blocks
Polar's Petrifying Pack
A nostalgic Minecraft pack with old-style textures, a subtly unsettling atmosphere, and a great base for horror mods that enhance immersion without straying from vanilla.