Modscraper Modscraper Minecraft

Sort By

Type

Content

Tags

BadOptimizations logo

BadOptimizations

Mod

by thosea

Optimization mod that focuses on things other than rendering

Type

Mod

CurseForge Downloads

82,413,462

CurseForge ID

949555

Modrinth Downloads

47,500,629

Modrinth ID

g96Z4WVZ

Last Updated

Nov 7, 2026

Description

BadOptimizations

A collection of mostly micro optimizations that add up to something bigger!

What does it do?

Multiple things:

  • Avoid updating lightmap
    Updating lightmap textures are one of the most expensive parts of the client tick. During each tick, the client will do vector math to calculate lightmaps for blocks and the sky, then upload that new texture to the GPU. However, this can be completely avoided and cached if nothing affecting block brightness has changed. This mod will cancel lightmap updates if nothing that changes block brightness (e.g. gamma slider, potion effects, dimension) has changed.
  • Sky color calculation optimizations
    Minecraft uses a cubic color sampler every frame to calculate the current sky color. This function loops 216 times to factor in surrounding biomes, even if all surrounding biomes are identical or have identical sky colors. This mod makes the color sampler only used if you are between biomes with different sky colors, and caches it for each tick. Otherwise, a shorter, simpler and faster sky color calculation is used.
  • Don't do debug logic if we don't need to
    Minecraft has four debug renderers that can be activated with a debug server: bees, game events, game test and villager AI. Even if there's nothing to process, the logic for these debug renderers are still executed. This mod will only execute them if debug is enabled and there is data from the server to process.

That's a few of them, at least. You can disable any optimization in the config file if you need to.

How much does it help?

Depends on your system and luck, but on my own PC, an RTX 3060, intel i7 12700 and 4GB of allocated ram on Fabulously Optimized:
Without toasts, it goes from 1926-1955 FPS:

To 2008-2023 FPS:

And with toasts, it goes from 1351-1384 FPS:

To 1414-1458 FPS:

My mod is incompatible!

You can mark your mod as incompatible with specific BadOptimizations options. If your mod is present, BadOptimizations will automatically disable the specific options you specify.

Dependencies?

None.

Find more on the GitHub page.
It's also available on Modrinth.

Compatibility

Mod Loaders

Client Neoforge

Game Versions

26.3

Recommended Gear

Affiliate

Hardware and extras that pair well with this mod.

Mini PC for self-hosting

Mini PC for Self-Hosting

A low-power box that can sit in a cupboard and run a modded server around the clock.

View on Amazon →

As an Amazon Associate I earn from qualifying purchases.

Similar Mods

Just Enough Items (JEI)

Just Enough Items (JEI)

View Items and Recipes

Mod 729,669,919
Cloth Config API (Fabric/Forge/NeoForge)

Cloth Config API (Fabric/Forge/NeoForge)

Config Screen API for Minecraft

Mod 571,005,080
Mouse Tweaks

Mouse Tweaks

Enhances inventory management by adding various functions to the mouse buttons.

Mod 550,366,770
Fabric API

Fabric API

Core API library for the Fabric toolchain

Mod 525,706,110
AppleSkin

AppleSkin

Adds some useful information about food/hunger to the HUD

Mod 520,882,628
GeckoLib

GeckoLib

A 3D animation library for entities, blocks, items, armor, and more!

Mod 505,400,711 354.7K this week

Included in Modpacks (2,696)

Show fewer
Modpack Essentials Modpack Essentials zOptimized zOptimized SurviveArchive - A Blue Archive modpack SurviveArchive - A Blue Archive modpack LSMADLH Forever LSMADLH Forever B.O.M.P Progression Based Rpg. B.O.M.P Progression Based Rpg. Community Community FreakLand FreakLand Zelda TOTK Zelda TOTK Velocity Velocity The Warborn Realms SMP The Warborn Realms SMP Castaway - Island Survival Castaway - Island Survival SwiftOptiC SwiftOptiC Create: Way Too Much Create: Way Too Much CursedFate Awakened CursedFate Awakened FPS + PVP BOOST FPS + PVP BOOST Craftformers Official Server Modpack Craftformers Official Server Modpack Oxygen Oxygen Survival...but smooth Survival...but smooth QuantuMiz QuantuMiz Summoner Delight Summoner Delight Excellent Performance with Voxy Excellent Performance with Voxy parasites the new era - 100 days with parasites parasites the new era - 100 days with parasites Aetherion - The Aether II Expanded Aetherion - The Aether II Expanded SF Integrated Modpack SF Integrated Modpack Overly Optimized Overly Optimized Create: End Times (Apocalypse) - With Create 6.0! Create: End Times (Apocalypse) - With Create 6.0! AVENTURA - The Adventure Experience AVENTURA - The Adventure Experience Create The Ultimate warfare Create The Ultimate warfare Armageddon [Official Modpack] Armageddon [Official Modpack] PROJECT: Keyblade - An Oath to Return PROJECT: Keyblade - An Oath to Return Odisseia Odisseia Cobblenautics! Cobblenautics! [JWN] Just what is needed [JWN] Just what is needed Spears' Modpack Spears' Modpack The Dwellers World The Dwellers World Jurassic World - Apocalypse Edition Jurassic World - Apocalypse Edition Pirates on a Boat Pirates on a Boat Cobblemon Stellar Cobblemon Stellar TerraKeo TerraKeo MHAC - My Hero Academia Craft MHAC - My Hero Academia Craft Easy Create Easy Create Minecraft City Minecraft City Concatenation Lite Concatenation Lite Better FNAF Management Wanted Better FNAF Management Wanted Simply Optimized (Improved) Simply Optimized (Improved) Unlimited Horror - The Complete Horror Experience Unlimited Horror - The Complete Horror Experience MekaMiners Brasil MekaMiners Brasil Gambling Craft Gambling Craft vanilla experience : the best client-side modpack vanilla experience : the best client-side modpack Dawn of the Flood Dawn of the Flood Afterfall - Zombie Apocalypse Survival | Inspired by DeceasedCraft Afterfall - Zombie Apocalypse Survival | Inspired by DeceasedCraft Creative Mode: A Create Experience Creative Mode: A Create Experience Diamond Age Diamond Age OptimisticMC OptimisticMC Allure: Clientside Enhancements Allure: Clientside Enhancements Cobblemon Realms Lite Cobblemon Realms Lite duziy's PvP Optimized duziy's PvP Optimized OptiPrime OptiPrime 3d blocks n' stuff 3d blocks n' stuff Au Naturel Au Naturel Equinox's Story Mode (MCSM) Equinox's Story Mode (MCSM) RunNGun - 100 Days Zombie Apocalypse RunNGun - 100 Days Zombie Apocalypse Bladeborne - Medieval Soulslike Bladeborne - Medieval Soulslike MagicCraft 2: Choose your magic path MagicCraft 2: Choose your magic path Calvin's wonderland.jar Calvin's wonderland.jar All The Neoforge All The Neoforge ContentCreatorsTool ContentCreatorsTool SimplePack 4 SimplePack 4 Rick's Portal Gun - Official Server Pack Rick's Portal Gun - Official Server Pack FemboyCraft FemboyCraft Apocalypsecraft - Survive The Zombie Apocalypse Apocalypsecraft - Survive The Zombie Apocalypse Kuri's FreshVanilla Kuri's FreshVanilla Stormforge: Never Ending Rain! Stormforge: Never Ending Rain! Thosh's Client Thosh's Client FPS+ (FPS Plus) FPS+ (FPS Plus) Beyond Survival (BYSL) Beyond Survival (BYSL) Better Survival (BSurvival) Better Survival (BSurvival) Loka Fabric Loka Fabric Conquest of the Bleak Isles Conquest of the Bleak Isles Performium: Continued Performium: Continued Folklore SMP Folklore SMP All About Decoration - Building & Furniture All About Decoration - Building & Furniture Izakji's Zombie Apocalypse II Lite Izakji's Zombie Apocalypse II Lite [TACZ] [SBW] BlockField [TACZ] [SBW] BlockField Unaltered+ Unaltered+ The Modded Rizoma MC The Modded Rizoma MC The Ultimate Experience The Ultimate Experience ARG ARG Cobblemon Guapisimo Cobblemon Guapisimo CobbleCraft CobbleCraft Minecolonies Create - Aeronautics Colonies Minecolonies Create - Aeronautics Colonies Turtle's Auxiliar Modpack Turtle's Auxiliar Modpack Dioses Performance+ | Used by Vegetta777 & Willyrex Dioses Performance+ | Used by Vegetta777 & Willyrex Tukel Realism (ModernArch 128x - Distant Horizons - Shader - Physics) Tukel Realism (ModernArch 128x - Distant Horizons - Shader - Physics) Solo Leveling Awakened Solo Leveling Awakened Oritech+ | Oritech & Create Addons and Create Aeronautics Oritech+ | Oritech & Create Addons and Create Aeronautics QoL Client QoL Client lwkSlick's PvP Modpack lwkSlick's PvP Modpack LifeOre Create S1 LifeOre Create S1 TABSMP Modpack TABSMP Modpack

External Resources

CurseForge Modrinth Source Code Issues