Minecraft Java 1.21 Mods
Browse 646 free mods for Minecraft Java 1.21 — popular picks include W's Shulker Forretress, United Heroes X, The Ultimate Item Toolkit [1.13-26.3].
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W's Shulker Forretress
Welcome back, Shulker Forretress.
United Heroes X
A superhero mod with some heroes i made
The Ultimate Item Toolkit [1.13-26.3]
Get a Shulker Box with every item in the game using a single command. The perfect toolkit for builders, testers, and creators
Endium Expansion
Adds Endium, a powerful new End ore. Mine Endium Ore, smelt into scrap, craft into ingots with Eyes of Ender. Shulkers drop Endium templates. Combine template, ingot, and Netherite gear in a smithing table to upgrade. Stronger than Netherite.
Create: Mechania - (C:M1)
A Vanilla+ modpack that empowers players to build limitless mechanical marvels and embark on adventures driven by creativity and engineering.

Flashback Recording To World
Converts Flashback Mod recordings into playable Minecraft worlds.
Shulker Box Indicator
This mod displays the item and fill percentage for shulker boxes filled with few item.
Torrezx-Shulker tools
Shulker's tools and weapons, perfect for exploring the End. Vanilla cit
Shulker Eggs
A throwable egg for capturing mobs in item form.
SunShulkers
SunShulkers is a plugin for Minecraft Paper servers (versions 1.16.5-1.21.7) that allows players open shulkers directly from their inventory with a lot of additional features.
Shulker in a Shulker
Store shulker boxes inside other shulker boxes with configurable nesting depth, anti-dupe protection, and admin GUI control. Perfect for survival servers - includes /ns commands, cooldowns, item blacklisting, and full permission customization.

Pokeball Shulkers
A pokeball inspired shulker boxes
MS_Meteorites
A Fabric mod that introduces meteorites with visual effects including sky flashes and particle trails, destructive impact mechanics, and three cooling stages of meteorite blocks.
SG Shulkerbox
A mod to show a preview of the content of a shulker with a customizable keybind
RP Lololowka by Pashaflash13
resource pack containing many interesting things from the Lololoshka universe for minecraft
EMI Dark Mode
I got tired of being flashbanged whenever I needed a recipe
Minetales
Minetales improves Minecraft’s inventories with smart sorting, quick deposit/withdraw, a safe trash can, and a hotbar lock to protect your most important tools while moving items in and out of chests and shulker boxes.
Modern Auction
A asynchronous GUI Auction House for 1.20+. Features Buy-It-Now, Anti-Snipe mechanics, category filtering, Shulker previews, and offline-player support—all backed by a blazing-fast SQLite database.
Plankton End Flash
Replaces end flashes with plankton (with sound)
Artificer’s Skies
Artificer’s Skies – master mystical arts and mechanical marvels as you shape the worlds into your own creation.
Hand Shulker
Simple E Chest command + Openable Shulkers from the inventory.
ShiftFCmd
Open server menu in a flash with Shift + F
Armadillo Boxes
Adds lesser-good versions of Shulker boxes
ShulkerFix
A fix to stop shulker bullets from breaking armor stands.
Christmas Barrels and Shulkers
On Christmas, chests get a special christmas texture. However, barrels and shulker boxes are left out. This pack gives them a christmas texture, based directly on the vanilla textures.
QuickShulker – Advanced Shulker Box Management (1.16+)
Instant access and auto-sorting for your Shulker Boxes — all with customizable control.
Create: Flashback
Create mod compatibility for Flashback running on NeoForge via Sinytra Connector
BetterPeek
Peek inside chests, barrels, and shulker boxes without opening them. Client-only.
сборка OV3RN
[EN] A highly optimized client-side modpack focusing on FPS boost, visual enhancements, and powerful tools for builders & creators (Axiom, Litematica, Flashback). [RU] Оптимизированная клиентская сборка с улучшенным визуалом и инструментами для строителей.

Dimensional Shulker Boxes
Vanilla-style per player pocket dimension.
Flashing Attack Indicator
Flashes the attack indicator with a red color to warn you that its ready!
ObbyShulkers
craftable shulker boxes but you need 8 obby and one chest.
shulker2box
transforms brown shulker box to warehouse box
Paper Flashback
Generate Flashback replay files directly from a Paper server. Record players, chunk areas, or all online players, fully server-side.
Fishy's Camo Shulkers
Shulkers as Jeb originally intended them (or as close as I could get with a resource pack)

Copper Storage
Adds Copper Boxes that work like Shulker Boxes with limited space.