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Smooth Boot (Fabric) logo

Smooth Boot (Fabric)

Mod

by UltimateBoomer

Tweak Java thread settings and prevent Minecraft from lagging your computer when loading up.

Type

Mod

CurseForge Downloads

9,861,495

CurseForge ID

415758

Modrinth Downloads

755,178

Modrinth ID

gk3B4zrk

Last Updated

Nov 6, 2026

Description

Smooth Boot

This mod enhances CPU scheduling in Minecraft. As an unofficial fork of the Smooth Boot (Reloaded) mod, it adds support for new game versions.

The mod works by reconfiguring Minecraft's task executors to improve loading efficiency. By default, these executors run intensive startup tasks across multiple threads, often causing peak CPU utilization. Smooth Boot optimizes this process by modifying key executor parameters, including thread count and priority, ensuring a more balanced and efficient workload.

Original mod : https://modrinth.com/mod/smooth-boot-reloaded

Original mod author: https://modrinth.com/user/AbdElAziz

Compatibility

Mod Loaders

Fabric Forge Neoforge

Game Versions

1.20 1.20.1 1.21 1.21.1 1.21.2 1.21.3 1.21.4 1.21.5 1.21.6 1.21.7 +5 more

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.

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Included in Modpacks (118)

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Fresh & Smooth Fresh & Smooth Create Live 4 Create Live 4 BigChadGuys and the Holy Grail BigChadGuys and the Holy Grail Another Quality Modpack 2 - AQM2 Another Quality Modpack 2 - AQM2 StaTech Industry StaTech Industry Craft to Exile [Harmony] Craft to Exile [Harmony] Origins++ Modpack Origins++ Modpack Sky FABRICation 2 Sky FABRICation 2 Immersed With Shaders Refabricated Immersed With Shaders Refabricated Sodium Chloride Sodium Chloride Keo Vanilla Keo Vanilla Create Aeronautic Create Aeronautic Create Train Create Train Survival Tools Survival Tools Essential - Fabric Essential - Fabric Sky FABRICation Sky FABRICation Fabric's Optifine Fabric's Optifine MI:Foundation MI:Foundation Dungeons & Mineshafts: 5th Edition Dungeons & Mineshafts: 5th Edition Allusiveness Allusiveness ElysiumCraft Rp ElysiumCraft Rp BetterFPS BetterFPS Origination - An Origins Modpack Origination - An Origins Modpack OptimizationHyperN OptimizationHyperN Newt+ (Sodium Edition) Newt+ (Sodium Edition) Progress: Create Progress: Create Void's essentially optimized pack Void's essentially optimized pack MTR Operation MTR Operation Fastly Optimised Fastly Optimised SparkleFlake's Optimization pack SparkleFlake's Optimization pack DarkRPG REDUX - RPG with Quests, Magic. Origins, Adventure DarkRPG REDUX - RPG with Quests, Magic. Origins, Adventure Sniff Client Sniff Client Better FPS Better FPS BlazeandCave's Advancements ModPack (BACAP) BlazeandCave's Advancements ModPack (BACAP) Drdonutt Drdonutt Wicked Witches SMP Wicked Witches SMP The Kingdom of Daldar [New Adventure Remade - Fabric] The Kingdom of Daldar [New Adventure Remade - Fabric] Pix Android Boost Pix Android Boost Azure Visuals Azure Visuals Oxygen Oxygen Zech's Hypixel Pack (1.19.3) Zech's Hypixel Pack (1.19.3) Create Conquest Arcane Create Conquest Arcane AzClient The Best Boosted FPS ModPack AzClient The Best Boosted FPS ModPack Nexus client Nexus client R2D2 | Races Origins | Survival/RPG/Fantasy R2D2 | Races Origins | Survival/RPG/Fantasy Kuri's FreshVanilla Kuri's FreshVanilla A beginning of Origins (Fabric) A beginning of Origins (Fabric) Architecture & Automatum Architecture & Automatum Create Fabulously [Fabric] Create Fabulously [Fabric] ROG Ally Modpack ROG Ally Modpack Squibbin Hangout Squibbin Hangout Stoneworks Immersion Pack (S.I.P) Stoneworks Immersion Pack (S.I.P) Create: Physics And Aeronautics Create: Physics And Aeronautics Cobblemon Optimized [FABRIC] Cobblemon Optimized [FABRIC] Kinetia Kinetia Fox Adventures: Origins Fox Adventures: Origins Create: SatisFactory Create: SatisFactory Stay-Clear! Stay-Clear! MWR - Mods Within Reason MWR - Mods Within Reason Visual Vanilla Visual Vanilla Fabric FPS Boost Fabric FPS Boost Essential Medieval [FABRIC] Essential Medieval [FABRIC] Actions & Visuals Actions & Visuals StaTech Industry: GoG StaTech Industry: GoG A Lll Modpark A Lll Modpark TaCZ: Modern Warfare TaCZ: Modern Warfare Thornmere ARK: The Full Survival Package ARK: The Full Survival Package Smooth FPS Smooth FPS Trailer Vibes Trailer Vibes Create: Sable Create: Sable Create: Endless Industry Create: Endless Industry Trailer Vibes Client Trailer Vibes Client PebbleTown PebbleTown Cobblemon Tokai Construction Pack Cobblemon Tokai Construction Pack Potato Optimizer Potato Optimizer VortexCraft VortexCraft Minecraft: Promo Edition Minecraft: Promo Edition DrUltraLux's Steam Fantasy DrUltraLux's Steam Fantasy Origins Extravaganza Origins Extravaganza PvP Tiers Pack PvP Tiers Pack Vanilla Expanse Create: Nations & Frontiers Create: Nations & Frontiers Jitsonville Pack Jitsonville Pack The True Vanilla The True Vanilla Medieval Fantasy For A Reason Medieval Fantasy For A Reason Blue Moon SMP Blue Moon SMP Infinity Craft Infinity Craft OptimisticMC PvP OptimisticMC PvP Jurodedu Jurodedu Farbound Farbound Sakura Valley: Create & Beyond Sakura Valley: Create & Beyond Nenuu's Legacy Pack Nenuu's Legacy Pack Hug Trees With Gromit Hug Trees With Gromit MC: Serene Edition MC: Serene Edition Era do Panado II Era do Panado II BTE HKMU BTE HKMU Wizard Society Server Modpack Wizard Society Server Modpack ATKs Performance Mods ATKs Performance Mods CRYONETICS Rebooted CRYONETICS Rebooted

External Resources

CurseForge Modrinth Source Code Wiki Issues