Minecraft Java 1.21 Mods
Browse 59 free mods for Minecraft Java 1.21 — popular picks include BBAds, Chain Accessories Resource Pack, Otherplaces.
Updated daily
BBAds
Want to capture your player's attention? Use bBAds to display custom messages via the BossBar. Features include configurable server ads, player-submitted content, a regex filter, and robust admin controls. Tailor messages to match your server's style.
Chain Accessories Resource Pack
Wear chains like a boss
Otherplaces
Multiple dimentions with diffrent items, blocks, mobs, structures, bosses.
Creations Of Tygrys
Mod made for fun, adding new boss, dimension and structures!
Cooper age
mod adds 2 metals and 1 alloy. You can make weapons, tools and armor with them. There is still 1 boss
Cake Tower HUD Plus
HUD overhaul and optional server-side combat stats for the Cake Team Towers · Chapter 3 map—health, hearts, resources, team/mob 3D bars, stats panel, boss-bar toggles; v6+ damage attribution, K/A/D taken, DPS, session history. Auto-hides elsewhere.
BulsciCraft
Enjoy this brand new mod that adds New Dimensions, Mobs, Items, Blocks, Unusual things and even a bossfight...
Chronotide
A time-bending dimension mod filled with fractured biomes, echoing bosses, and mysterious relics. AI-designed mod.
IsraelBoss' Middle-earth Russian translation
Русский перевод мода Middle-earth, соответствующий стандартам ванильной локализации
Floreláis
Created in 1 week for my high school art class. It is a very basic mod adding 6 flowers and a boss. Similar feel as old 1.7.10 mods.
Chain Accessories
Wear chains like a boss
Chariz's Mayhem
A Minecraft Mod That Aims To Add Fun Things Into Minecraft, Such As New Mobs, Bosses, Weapons, Tools, Armor etc. Created By The Maniac Himself, DarkChariz
Timber´s Call
Timber’s Call adds Grimbark, an automatic woodcutting NPC, unique workstations for progression, mystical crafting, and a boss fight — all without a resource pack. Answer the call!

Endil's Maestro
Adds thematic music to bosses, powered by Maestro!
Bossbar Day-counter
Adds a day counter and displays it in the boss bar.
Amboss Haltbarkeit / Anvil Durability
Always see the remaining durability of your anvil.
Flame Announcer
A powerful and highly customizable announcement plugin featuring scheduled Chat, BossBar, and Interactive clickable messages with full in-game management.
Mine Cells Mod (1.21.1, 1.20.1) – Bringing Elements from Dead Cells
Mine Cells Mod brings a dungeon system to Minecraft, inspired by the game Dead Cells. You will face new dangerous enemies and a formidable boss waiting for you at the end of the location! Animations, a vast arsenal of weapons, and numerous decorative blocks are included in this mod! Let me warn you-these dungeons are […]
Divine RPG Mod (1.21.1, 1.20.1) – Eight New Realms to Conquer
Divine RPG Mod transforms Minecraft into a massive RPG adventure. This mod adds eight new dimensions to explore, each with its own secrets and challenges. You will encounter over 115 new mobs and powerful bosses to battle. It also includes hundreds of new items, weapons, armor sets, and decorative blocks to discover and use. Features: […]
Better Copper Structures
This data pack adds a totem of copper golems, and soon it will add more structures similar to trial chambers and a breeze boss. (In progress)
Vividia Horizon Modpack (1.21.10) – Fresh Animations Dimensions And Building
Vividia Horizon Modpack brings a fresh look to your world with smooth animations, vibrant particles, and huge new lands to explore. You can travel to floating sky islands, battle giant woodland bosses, and build cozy bases with detailed furniture. It keeps the classic survival feel while adding plenty of handy tools to make your daily […]
Hazbin Hotel + Helluva Boss Pack Resource Pack (1.21.11)
Hazbin Hotel + Helluva Boss Pack Resource Pack restyles your Minecraft world with the colorful and demonic themes of Hazbin Hotel and Helluva Boss. It swaps standard textures, creatures, and sounds for custom art inspired by the animated Hellaverse shows. From red skies to fancy hotel decorations, this pack gives every biome and build a […]
Tricky Trials Plus Mod (26.2, 1.21.1) – Face The Ominous Trial
Tricky Trials Plus Mod expands Minecraft with a brand-new dungeon challenge: the Ominous Trial Chamber. Packed with danger, this structure includes unique vault blocks and introduces an all-new boss fight. Features: Adds the Ominous Trial Chamber structure. Includes new vault blocks and decorative elements. Features a new boss battle for advanced players. Screenshots: Tricky Trials […]