Data Packs for Minecraft Java
Browse 2,961 free data packs for Minecraft Java — popular picks include Bastion Tweaks, The Complete Rare Drop Randomizer & Multiplier, Bullfrog origin.
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Bastion Tweaks
Restores 1.16-style piglin bartering odds and swaps out piglin brutes for extra regular piglins, making bastions feel like they did before the Nether Update's brute rework.
The Complete Rare Drop Randomizer & Multiplier
Randomised drops, 10% Rare bonus, and multiplied quantities - all in one pack.

Bullfrog origin
This Data-Pack adds the bullfrog origin ALL THE POWERS: Blulky Legs: you take no fall dmg and jump 2 blocks poison damage: you take more dmg when you have poison Sturdy Skin: you take less dmg like the shulk origin Unwieldy: you cant use a shield
Chaos Damage
A chaotic gameplay datapack that drops random OP loot and spawns random mobs every time you take damage!
Craftable Horse & Nautlis Armor
Adds the ability to craft Horse and Nautilus Armor!
Crafted Spawners
This simple datapack adds a recipe for the spawner and all basics mobs eggs !
Shizophrenia
Makes you question everything.
Vanilla With Sugar
A close-to-vanilla datapack that slows Minecraft's early game pacing and makes survival a bigger focus
Mobs Buffs (MPR)
A Data Pack for Mobs Properties Randomness that buffs and changes mobs a bit

Spider Bow
This project adds a Spider Bow to the combat area of vanilla Minecraft in which being shot by this arrow cobwebs the victim and makes them stuck.

Craftable Mob Eggs
With this project you can simply craft mob eggs. Perfect for survival worlds!
Familiar Buffs
Adds buffs to horses, donkeys, mules, skeleton horses and happy ghast.
Slabfishies Everywhere!
Now, not just in swamps!
Better TNT: Shockwave
Better TNT: Shockwake — datapack that turns TNT, creepers, and TNT minecarts into cinematic blasts: shockwaves, smoke columns, screen shake, flickering lights, concussion, terrain scars, and craftable Hypercharge TNT (9 TNT, 25s fuse, ×6 power)

Cobblemon Independence Day
Adds a Independence Day themed Braviary!
Bogged Drops Mud
The bogged mob will drop 0-2 mud or moss when killed, with a small chance to drop an azalea, flowering azalea, mangrove propagule, glowberry, brown mushroom, or red mushroom. Compatible with Minecraft 1.21+.
All Easter Heads
Show you all Easter Egg Heads from All Mob Heads Datapack
Dynamic Difficulty More Hard
Level Adjustment for Mobs and Bosses in the DENLAND Modpack by Guzk
Ultra Hardcore by DWizard
A feature-rich datapack that aims to increase Minecraft's difficulty and turn the game into a true survival experience, by expanding it's progression and all of it's survival aspects.
Actually Faithful Steeds
A datapack that makes your faithful steed actually faithful by staying near where you dismounted.
Marpy's Music Disc Additions
A Datapack adding fan music discs obtainable just like vanilla discs!
Big Globe x Swampier Swamps
Adds the features, structures, and mobs from Swampier Swamps to Big Globe swamp biomes.
Wand Of The Wardens Curse
Changes mobs into little wardens with a wand
Tototerror
Buffs Totodile into a freak of nature
Renewables
Makes some resources renewable like sand and red sand
Iron Golems Dont Drop
kind of self explanatory, iron golems dont drop anything so you can shut down those monolithic iron farms.
Pesky Vexes
Datapack that makes vexes not die after 5 min when named preserve
vanilla gunpowder crafting
Blaze Powder + Coal/Charcoal + Bone Meal
Strange Model Mounts
This resource pack enhances the models of donkeys, mules, and camels in Minecraft, giving them a fresh and improved look while staying true to the game's aesthetic.
Ghast Harness Customizations
Customize your ghast harnesses with billions of unique color combinations, just like dyed leather armor, and personalize them even further with armor trims for nearly endless cosmetic possibilities.
Far's Wilder Tweaks
This datapack makes some tweaks to many of Minecraft's biomes with new animal variants and generated features to make the world more wilder!
cobblestone to prismarine shards in cauldron
vanillatweaks cauldron mud datapack modifed to convert cobblestone into prismarine shards.
[V] Staff&Addition
Vanilla additions to the game! Mobs, Tools, New Crafts!
Armstands
armorstands have arms with this command: /function showarms:armorstands and you need to repete this command when you need armorstands arms!
Bob's Datapack
This datapack is basically a few weird addons that I added to minecraft while I was sick and off my meds. It adds (semi) realistic injuries for players and mobs and a few other things.
HardEndure
Minecraft but harder and very brutal...