Data Packs for Minecraft Java
Browse 1,536 free data packs for Minecraft Java — popular picks include [ICCTN] EchoShard, Swift Mounts, TESTIFICATE Villagers.
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[ICCTN] EchoShard
Adds Echo Shard crafting and a short Deep Dark advancement progression including Recovery Compass crafting and Warden encounters.
Swift Mounts
Enhanced equipment and tool for rideable mounts
TESTIFICATE Villagers
Brings back Minecraft Old Beta's TESTIFICATE Villagers, recreated by DandiMC.
Kill or die
A recreation of the datapack used in NewKiddo’s “Kill or die” series
Villager rollback
A datapack that is able roll back villagers that recently died. All of the villagerdata is saved.
HardEndure
Minecraft but harder and very brutal...
Teggs Happier Ghasts
A feature to make Ghasts a little bit quicker when holding a snowball in the off-hand
Aquaila's No Mob Armor Drops
This Datapack stops entities from dropping their armor by setting their Hand drop and Armor Drop chances to 0.0
Last Resort Soup
Adds an insanely OP stew that is meant as a last resort when all else fails
Genetic Modifications (GenMod)
An origins style datapack that adds 6 craftable genetic modification syringes.
Overlord_guardian
want more difficulty? more mobs? this datapack has it all plus a designated guardian that can be every mob!

SpyGlassMeData
Datapack that is used by the SpyGlassMe mod.
Sheep Behavior Reversion
This datapack reverts the 1.21.5 update changes to sheep behavior, preventing them from eating short grass, ferns, short dry grass, and tall dry grass.
Hardcore meat
Meat from cows and pigs drops much less
Doner Villager
Adds a Doner and shawarma making villager proffession
Quality of Laik
Adds a lot of quality of life changes to as much of the game through datapacks as possible!
Infinite burn
In this data-packet you will burn infinitely
Better Hardcore Datapack
Completely overhauls Hardcore mode to be true danger.
Patrols every day
Pillagers will never sleep through patrols

The Copper Joke
This Datapack makes silly changes to the new Copper Age Minecraft update.
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)

Sulfur Cubes Persistence
stops the sulfur cube from despawning
Stop Killing Turtles
This datapack makes it so there are SEVERE consequences for attacking sea turtles.
Ace Up The Sleeve
Drop to 4 hearts and trigger your Last Stand — summoning Guardian golems and granting powerful buffs to turn the tide of battle.
Mobs Devolve
Mobs devolve into weaker mobs when killed, with trigger function to change multiplier.

Alex's Mobs fishing
Adds items from "Alex's Mobs" mod to fishing loot tables.
Vannila+ Essentials
Quality-of-life data pack for Minecraft 26.2+ with 59+ new crafting recipes, enhanced loot cairns, improved mob drops, and balanced worldgen tweaks — all without breaking vanilla feel.
Fishy Folk
An Origins mod data pack with merling spinoff origins
Euphoria Ghasts
Adds the Euphoria enchantment to harnesses, speeding up happy ghasts
wolf pack control
allows you so sit/unsit all dogs/cats in 25 block raduis at once, good for people with lots of dogs
Vanilla With Sugar
A close-to-vanilla datapack that slows Minecraft's early game pacing and makes survival a bigger focus
Spirit Flight (Faster Happy Ghast)
Adds an enchantment for the Happy Ghast Harness that makes the Happy Ghast faster. Compatible with Minecraft 1.21.6+
Wet
Give entities fire resistance for 5 sec when standing in water or rain.
Eversource
Ever wanted to have your very own EverSource chicken, like in Minecraft StoryMode? Well, now you can. It's been updated to work with all the new mobs added in 1.21.9...
Fixed Mob Explosions
This datapack changes the gamerule mobExplosionDropDecay
quartz to prismarine crystals in cauldron
vanillatweaks cauldron mud datapack modifed to convert cobblestone into prismarine crystals.