Data Packs for Minecraft Java
Browse 16,042 free data packs for Minecraft Java — popular picks include OmniDye, Reduced Diamond Ore, Slow Hopper.
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OmniDye
OmniDye takes the concept of universal dyeing to the next level, bringing vibrant creativity to your Minecraft world! With this datapack/Mod, you can transform any colored block into any other color (glazed terracotta excluded) effortlessly.
Reduced Diamond Ore
Reduces Diamond Ore spawn by cutting the generation frequency of the new diamonds added in 1.20.2.
Slow Hopper
A new cheaper, but slower hopper

Minecoin
Get FAKE minecoins to buy and trade!
Sky Continents
Sky Continents V11 is a datapack add-on for Continents by Stardust Labs that turns oceans into open void airspace for Create Aeronautics-style sky travel.
Minecraft:Thundering
Adds new structures and enchantments to the game
Harder Budding Amethyst
Budding Amethyst will break a lot slower, which helps prevent accidentally mining.
Soccer/Football Minigame
Create a football minigame in seconds without the need of any commands! Feature a 3D soccer ball & management menu, no resource pack required!
Ironpowder
Adds guns, equipment, armor and new gameplay to Vanilla Minecraft
Zombie Survival
Datapack that replaces most overworld hostile mobs with zombie variants
Warium Tweaks
EN «Server Safe», «No Nukes», «Anti-Grief»,«No Structures»,«No Mobs»
Increased Wither Skeleton Skull Chance
A datapack/mod to increase the drop chance for wither skeleton skulls.

HiScythe Bundles+ Datapack
Customizeable bundles
UltimateAntiSeedCracker
Datapack to protect seed from any hacking
Multipack: Enhanced Vanilla
Enhanced the vanilla experience with a multitude of features which each improve the game in unique ways
Amethyst Infused Items
Add new items made of amethyst.
Advancement Recipes
A datapack that locks all vanilla recipes behind series of advancement-based questlines.
OP Gravel
Gravel drops OP Loot!
Bear Traps
Adds Bear Traps to the game, they can be used to damage mobs that step on them and keep them in place

oSzoukaua's: Super Sprint
Allows you to super sprint by double tapping your sprint key! Move even faster!
No Elytra in Combat
Disables Elytras while players are in PvP Combat
CnidarianOrigins
A datapack that adds numerous new Origins to the Origins Mod. Requires Origins and Pekhui.

Craft Chain Armor
This Mod adds a craft for the Chainmail Armor
Dash & Roll
Add Dash (or Roll) mechanic to minecraft
Shelf storage
A datapack aiming to diversify a player's storage options by adding 8 new decorative storage blocks to the game! All blocks are vanilla friendly and only require to be crafted through the crafting table.
No Pig ❌
Disable Pig in Minecraft by preventing its spawning and removing any that appear in the world
CC: Advanced Math
A datapack adding advanced mathematical libraries to CC: Tweaked!
Better Tricky Trials DP
Datapack that adds several new trial spawner, new vault and new keys for existing structures
Dye Tweaks [Data Pack]
Adds the ability to duplicate dyes efficiently
Limit God Apples
Limits the number of god apples a player can have in their inventory
Fossils and Archeology Stat and Size Tweaks
changes the stats of most of the animals, and changes the sizes of a few
Maths
Adds some mathematical functions to minecraft
Bookshelf Runtime Bundle
A collection of all core modules, meant to ship with your datapack.
Fake Lag
Create a false lag in the world
Create Cobble Mixing
A lightweight way to get cobblestone instead of drilling. Unlike similar modifications, this is a regular datapack.
Grow Up
Grow Up explores adding debuffs to dying as a challenge. By making you grow from small to big after dying!