Utility Mods for Minecraft Java
Browse 15,395 free Utility mods for Minecraft Java — popular picks include V-Tweaks, Iguanas Tinker Tweaks, APTweaks: Core (11.x Classic).
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V-Tweaks
Adding New Mechanics without New Items!
Iguanas Tinker Tweaks
Iguana Tweaks for Tinkers Construct.
APTweaks: Core (11.x Classic)
The core is required for all adaptive performance tweaks modules and provides a shared API, monitoring functionally, events and commands.
TACT - Tiny Alex's Caves Tweaks
Tiny Alex's Caves Tweaks to make the mod a bit better
FTB Chunks (Fabric)
A mod that allows you to claim chunks to protect your blocks. It also has a minimap and large map!

Fast Better Grass
Makes grass and related blocks use the top texture on the sides. Works with other resource packs!
ObsidianUI
SpruceUI unofficial forge port, is a Minecraft mod API which adds some GUI utilities.
Client Sort
Versatile and easy inventory sorting.
VanillaTweaks [Fabric & Forge]
A mod which aims to improves the vanilla playthrough
Unloader
Unloader is a small utility mod that unloads dimensions that aren't in use.
Map Atlases [Forge]
A vanilla-friendly minimap / world-map mod using vanilla Maps, introducing the "Atlas".
Refined Storage - JEI Integration
Refined Storage has an optional integration mod for Just Enough Items (JEI), enhancing crafting and recipe interaction.
Kibe Utilities
A miscellaneous mod for Minecraft that adds a bunch of random, and mostly unoriginal things.
Wolves With Armor
Wolves With Armor adds special armor items for wolves (and a few extra utilities) that keep them nice and safe.
KubeJS Tweaks
This is an addon for KubeJS to abstract some common usage of KubeJS for heavily modded modpacks. Also applies hotfix when needed.
Allurement
Adds and tweaks enchantments, most of which break up the base game meta!
Liberty's Villagers
Quality of Life and AI improvements for Villagers
Property Modifier
Allows tweaking various properties of blocks and items. Also adds some other tweaks to aid with that, such as the ability to create new creative tabs or add composter inputs.
Trenzalore
Small Util Mod with a few tweaks

Dramatic Skys
Dramatic Skys is an add on pack that will make the skies in your game HD with realistic clouds and lighting. This pack works with any other resource pack, just simply add it over any other pack on the selection screen!

Fresh Animations: Extensions
A combination of offical extension packs for Fresh Animations
Mouse Wheelie (Fabric)
A "small" clientside mod featuring item scrolling, inventory sorting, item refilling and more!
Xaero's Minimap - Modded Support
Adds icons to Xaero's Minimap for a range of modded mobs.
Xaero's Minimap (Fair-play Edition)
Fair-play edition of the Xaero's Minimap mod, designed for fair PVP against players without a minimap.

Crafting Tweaks
Allows you to rotate, balance or clear the crafting matrix by the press of a button, in any (supported) crafting window.
Crafting Tweaks (Outdated Versions)
Allows you to rotate, balance or clear the crafting matrix by the press of a button, in any (supported) crafting window.
SeasonHud (Fabric)
Display the current season on the Hud or under the minimap

UniLib
A common set of Utilities, designed for over 50 versions of Minecraft!
SeasonHud
Display the current season on the Hud or under the minimap
Kube Utils
Adds helper utilities and new features to KubeJS in a clean, concise and consistent API design

Stendhal
Stendhal is a client-side Fabric mod offering new and enhanced visual utilities for books, signs, anvil and the in-game chat.
BetterDefaultBiomes
Mobs, Enchantments, Mob Arrows, Torch Arrows, Food, Trees, Plants, Flowers, Blocks, Trades, Tweaks and more!!
Extra Spell Attributes (RPG Series Tweaks)
More RPG Attributes!
RLTweaker
Miscellaneous fixes and tweaks for RLCraft
Certain Questing Additions
Small QoL and animation tweaks for FTB Quests.
StoneBlock Utilities
Simple utilities for StoneBlock pack.