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Featherlight Optimization project artwork

Modrinth · Minecraft modpack

Featherlight Optimization

An ultra-lightweight optimization modpack for Fabric designed for maximum FPS, while enhancing the vanilla experience with carefully selected Quality of Life and immersion mods.

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which Featherlight Optimization release should I use?

Updated 9 months ago
Latest stable file Featherlight Optimization 1.0.1
Game version 1.21.8
Loader Fabric 0.17.2

Featherlight Optimization 1.0.1 is a complete pack release for 1.21.8 with Fabric 0.17.2. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. 53 mods in this pack file.

Pack setup

How should I set up Featherlight Optimization for players and a server?

Use Featherlight Optimization 1.0.1 as the pack version. Install the pack as its own launcher instance. The creator’s listing does not name a separate server file, so check the release notes before setting up a dedicated server. Do not upload the ordinary client folder blindly.

Client instance Install Featherlight Optimization 1.0.1
Dedicated server setup Match Featherlight Optimization 1.0.1
Pack loader Fabric 0.17.2

A pack is a matched client and server setup, not one mod with an install-side label. Keep its release, loader, manifest and overrides together.

Plan the server requirements Read the Minecraft installation guide
Referenced mods 53
Client only 35
Server only 0
Not labelled 18

These numbers come from the pack file you chose. “Not labelled” means we don’t know which side it belongs on—not that it is safe everywhere. The file count is not a RAM estimate.

What are the server requirements for Featherlight Optimization?

Featherlight Optimization 1.0.1. Change the pack release and its contents or setup may change too.

53 mods in this pack file

The selected pack release is Featherlight Optimization 1.0.1. That file is for Minecraft 1.21.8 with Fabric 0.17.2. It contains 53 mod projects. The creator’s listing does not name a separate server file. Check their notes before using one, and do not upload an ordinary client folder or rebuild the pack mod by mod. A file count cannot tell us the right RAM, CPU or storage; size the server for the players and world you actually run.

About this project

What kind of pack is Featherlight Optimization?

Featherlight Optimization

A modern Minecraft modpack that focuses on two key things: delivering the highest possible performance and enhancing the gameplay with subtle, "quality of life" improvements that feel like they belong in the vanilla game.

Unleashed Performance

Experience Minecraft like never before with a suite of modern performance mods. Powered by Sodium, Lithium, and Iris, this modpack dramatically boosts your FPS, eliminates stuttering, and reduces memory usage, ensuring a smooth experience even on less powerful computers.

Vanilla, But Better

Featherlight isn't just about speed. We've included a handful of carefully chosen mods to improve your day-to-day gameplay without adding complex content. Enjoy enhanced audio with Ambient Sounds & Sound Physics, convenient controls with Mouse Tweaks, and a more lively world with Visuality and immersive footsteps.

Full OptiFine Parity

Get all the features you love from OptiFine and more. This pack includes full support for Iris Shaders, dynamic lighting, zoom functionality (Zoomify), connected textures, and more. Any resource pack that requires OptiFine will likely work perfectly here.

Play Anywhere, With Anyone

This is a 100% client-side modpack. It contains no content mods, which means you can connect to any vanilla server, including your own or your friends' worlds. We've also included Simple Voice Chat and Emotecraft to make your multiplayer sessions more interactive and fun.

The Featherlight Philosophy

Built on the modern and lightweight Fabric loader, this modpack is designed to be a perfect, stable base. It's easy to update and you can freely add your own favorite mods on top. Our goal is to provide an experience that is fast, polished, and stays true to the spirit of Minecraft.

Project description from Modrinth.

Mods in Featherlight Optimization 1.0.1

Open any mod on Modpacks.ch to check its files and dependencies.

AmbientSounds_FABRIC_v6.2.2_mc1.21.8.jar SHA-1 74933ba1d0b99c745f57198832818819fb4be0ef · Modrinth version ij74TMnp · Project link unavailable Client only
AnimatedTyping-1.0.0+1.21.8.jar SHA-1 446ef9ec5660d49e7ab8ed43bc8b56efc7c09938 · Modrinth version byoaZF1K · Project link unavailable Client only
appleskin-fabric-mc1.21.6-3.0.6.jar SHA-1 18fc3a8be56c802e3515ed3e2b6376eb00cd3eaf · Modrinth version YAjCkZ29 · Project link unavailable Side not labelled
AsyncParticles-6.3.0-beta.5+1.21.8.jar SHA-1 893928632391e081606cc2c0e5dad32d971a956d · Modrinth version MofPZHfD · Project link unavailable Client only
better-clouds-1.10.7-alpha+1.21.8-fabric.rev.e63efe2.jar SHA-1 3fec14766ee7248ea5058b42b9621d1bcdf33c93 · Modrinth version xdBmH3Z5 · Project link unavailable Client only
better-selection-1.6.8.jar SHA-1 b7d49d2bb41fa673ef4b2c07d95193a5b32a0010 · Modrinth version XjB8wIwx · Project link unavailable Client only
BorderlessFullscreen-v2.2.1-mc1.21.6.jar SHA-1 c6a88318cb4678edb61f42111d4234c9c40c36db · Modrinth version DYz146sd · Project link unavailable Client only
brewerylib-1.0.0.jar SHA-1 979378cd2e3a149ddc94ee0adc858532f3c4dbfc · Modrinth version 69YauyrF · Project link unavailable Client only
chat_heads-0.13.21-fabric-1.21.6.jar SHA-1 d7abc0eaa2bb0dc47a861503dc16dfcf95d9fd9c · Modrinth version IbYFWKwU · Project link unavailable Client only
clearhead-1.0.0.jar SHA-1 070ff225dd72545767e28d3ef9bd56b3e41d0c3b · Modrinth version w00S3CZT · Project link unavailable Client only
cloth-config-19.0.147-fabric.jar SHA-1 d3bd78860580da556990726af3bed1169e69933e · Modrinth version cz0b1j8R · Project link unavailable Side not labelled
Controlling-fabric-1.21.8-26.0.3.jar SHA-1 f07bf0fe10c6c72be971c489547558de005cf597 · Modrinth version 15AHrwi3 · Project link unavailable Client only
CreativeCore_FABRIC_v2.14.6_mc1.21.8.jar SHA-1 b539f6d31b85b06b60a12d172219152e9784ade5 · Modrinth version xQmdayHu · Project link unavailable Side not labelled
emotecraft-fabric-for-MC1.21.7-3.0.0-b.build.122.jar SHA-1 ee7f1af4c824fe2a2ed116230bec48de20567316 · Modrinth version fGfGJHj6 · Project link unavailable Side not labelled
EnhancedTooltips-1.8.0-beta+fabric.1.21.8.jar SHA-1 9b992e6a7c5d1c61e17b00bdf9632ad10e89831c · Modrinth version 8uqIIOKM · Project link unavailable Client only
entityculling-fabric-1.8.2-mc1.21.6.jar SHA-1 56c5a0617863c53cf7e338d6ff862d02801a1f75 · Modrinth version 5wVZFo2d · Project link unavailable Client only
explosive-enhancement-1.3.0-1.21.4.jar SHA-1 38c2adf216e88d4a91bf1b55fee9c8eaa208e70d · Modrinth version uENUGvIY · Project link unavailable Client only
fabric-api-0.133.4+1.21.8.jar SHA-1 84f003e075b7b7a4b3dbeffdf1796d3668db8f1c · Modrinth version CF23l2iP · Project link unavailable Side not labelled
fabric-language-kotlin-1.13.6+kotlin.2.2.20.jar SHA-1 05e9cc4108da5b50735fa6d8a79a18fcd5310d82 · Modrinth version i6MmXDwA · Project link unavailable Side not labelled
fabrishot-1.16.2.jar SHA-1 5fd90ba4161c80c3dd38c0a2e018d10e118958d2 · Modrinth version qaV4jqYg · Project link unavailable Client only
fastquit-3.1.1+mc1.21.6.jar SHA-1 c44081dadc343918b3623dc69ef2d395fceed99c · Modrinth version ah71vPRw · Project link unavailable Client only
Female-Gender-Mod-fabric-4.3.4+1.21.7.jar SHA-1 95f658f3ee95a59ed2a44c6a721fc52a38de13f6 · Modrinth version Z3yx6MPE · Project link unavailable Client only
ferritecore-8.0.0-fabric.jar SHA-1 53d76354587cd1965b842fdce7cff965b5c52fe5 · Modrinth version CtMpt7Jr · Project link unavailable Side not labelled
ForgeConfigAPIPort-v21.8.1-1.21.8-Fabric.jar SHA-1 07d6167870a7f7864b987e07a09229a9370e2701 · Modrinth version daREdLQt · Project link unavailable Side not labelled
FpsReducer2-fabric-1.21.7-2.13.1.jar SHA-1 b57e62bd160942a1960b0b355c29858a9eec629e · Modrinth version KUcS8ohZ · Project link unavailable Client only
fzzy_config-0.7.3+1.21.6.jar SHA-1 0a6d961136aa8450bd0e661aa45d51b20429d0a4 · Modrinth version Av40BFaJ · Project link unavailable Side not labelled
HMI 5.0L4 1.21.6+.jar SHA-1 721ba571bec3f4ec7c07e0bcd140bab20534f706 · Modrinth version EpvSVHji · Project link unavailable Client only
ImmediatelyFast-Fabric-1.12.1+1.21.8.jar SHA-1 318608e466371772a4b0d2a6cd3fe86cf983e718 · Modrinth version XxwOC2sk · Project link unavailable Client only
iris-fabric-1.9.1+mc1.21.7.jar SHA-1 99263e7d7ae31b4eda6fb66c9790bc2763f9ec3d · Modrinth version l77DAK6U · Project link unavailable Client only
item-interactions-mod-fabric+1.21.6-2.2.2.jar SHA-1 63f449d13ca6b2cb175b96346f79cc7a496ae9d2 · Modrinth version N2jVEDG5 · Project link unavailable Client only
lambdynamiclights-4.8.5+1.21.8.jar SHA-1 9346d8f285cea489111fed6bfbe26120440870fc · Modrinth version FToB9HT1 · Project link unavailable Client only
language-reload-1.7.4+1.21.6.jar SHA-1 91eb0a3e6cbdf5bb733890a727d67c8ff2ed8f59 · Modrinth version W8KDnevt · Project link unavailable Client only
lithium-fabric-0.18.0+mc1.21.8.jar SHA-1 7c1a4af48ef242d59209052cc684afd089ed11bb · Modrinth version pDfTqezk · Project link unavailable Side not labelled
modmenu-15.0.0.jar SHA-1 b22a1a02a13642ec707d01bb8b14a21188d6d6fa · Modrinth version am1Siv7F · Project link unavailable Client only
MouseTweaks-fabric-mc1.21.6-2.28.jar SHA-1 e6e909296655aa3f15df72d86c9379cd98d2d09b · Modrinth version K0YD3bG1 · Project link unavailable Client only
nopotionswirls-1.0.0.jar SHA-1 8e6e80bd295db81cff2de5229538b21e2161e092 · Modrinth version FTCkMlVb · Project link unavailable Client only
placeholder-api-2.7.2+1.21.8.jar SHA-1 f538eec8d6ec2e1af3c9e8ee73e4a4787abcd9cc · Modrinth version 1S1kjZ9W · Project link unavailable Side not labelled
PlayerAnimationLib-1.0.11+mc1.21.7.jar SHA-1 bfd3307d8d3fcdacee3423bdacbe373614e3a505 · Modrinth version i5rwyYv8 · Project link unavailable Side not labelled
PresenceFootsteps-1.11.1+1.21.7.jar SHA-1 93aaa90f3b5ada927caaf05bb2f9cbfa5b3578f8 · Modrinth version 8pjCeA4P · Project link unavailable Client only
reeses-sodium-options-fabric-1.8.4+mc1.21.6.jar SHA-1 5d83119a31fd6da0c55682a113788e9b6b848142 · Modrinth version AgGRyydH · Project link unavailable Client only
rrls-5.1.8+mc1.21.6-fabric.jar SHA-1 4047846dc770973e50feaf372f7a67a8cfccabdf · Modrinth version evRD5pAU · Project link unavailable Client only
Searchables-fabric-1.21.8-1.0.2.jar SHA-1 235f5a429e3dc9e26841ec0afe23bb6657d52553 · Modrinth version LLzPBiwT · Project link unavailable Client only
sit-1.21.6-29.jar SHA-1 6d0a4472991aa503e5211fee79d5c1535b6104c7 · Modrinth version GGIq4O8l · Project link unavailable Optional Side not labelled
sit-anywhere!-2.3.4.jar SHA-1 53996d3b3b90c046f5fc07a3e7c79383c2f94ba6 · Modrinth version IzxDgWFY · Project link unavailable Side not labelled
sodium-extra-fabric-0.6.6+mc1.21.6.jar SHA-1 768ca85d3a016adb6a4d302ad341ad8944fd3706 · Modrinth version v7JHUEiF · Project link unavailable Client only
sodium-fabric-0.6.13+mc1.21.6.jar SHA-1 2d635c3d938aa3f75b0ec61c7402eeea2f9c30a9 · Modrinth version ND4ROcMQ · Project link unavailable Client only
sound-physics-remastered-fabric-1.21.8-1.5.0.jar SHA-1 6ddfe8d1a0f477a6ad796e8fc396c61b9b0f4d73 · Modrinth version IHzf5auf · Project link unavailable Side not labelled
SubtleEffects-fabric-1.21.6-1.13.1-hotfix.1.jar SHA-1 8d5ad33158ce7fb0dd8967ac52f0fb8e01871c31 · Modrinth version tCAMsq6v · Project link unavailable Side not labelled
twod_projectiles-fabric-1.1.1.jar SHA-1 b5761208971bc9dd5fb18afbdefcf50de527a6f0 · Modrinth version b4zI1l4j · Project link unavailable Client only
visuality-0.7.10+1.21.5.jar SHA-1 4631dfea9da3c95ca69a331bb6fc1d4b21ba12e1 · Modrinth version W7vlELm0 · Project link unavailable Client only
voicechat-fabric-1.21.8-2.6.4.jar SHA-1 7137f380e9dfb8421088679d4544449f366e0e26 · Modrinth version s1rczw8x · Project link unavailable Side not labelled
yet_another_config_lib_v3-3.7.1+1.21.6-fabric.jar SHA-1 932e1011a9ddef31fb4f4d7934f16a091aa5004b · Modrinth version WxYlHLu6 · Project link unavailable Side not labelled
Zoomify-2.14.4+1.21.6.jar SHA-1 e79c508b73384a6845e45579e5baebf9ec18085d · Modrinth version Smt2Lxmo · Project link unavailable Client only

Pick your setup

Featherlight Optimization by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

1 available setups

Made local changes? Try them in a copied instance before touching a world you care about.

Recent files

Featherlight Optimization versions and loaders

2 of 2 releases match

Looking for an older file? The official Modrinth project page is in Resources.

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