Performance/FPS Mods for Minecraft Java
Browse 28 free Performance/FPS mods for Minecraft Java — popular picks include Vanilla Connected Glass, Vanilla Connected Textures, Emerald Vanilla | PvP Overlay.
Step by step: How to install Minecraft Java mods & modpacks
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Vanilla Connected Glass
Connected Glass that does not require OptiFine and works with any resource pack!
Vanilla Connected Textures
Connected Textures that don't require OptiFine or any other mods!
Emerald Vanilla | PvP Overlay
Enhance your Minecraft experience with the Emerald Vanilla Overlay! Designed for competitive players, this texture pack delivers sleek and vibrant visuals without compromising performance. Perfect for PvP and survival gameplay.
Simple Flowered Moss
Adds random azalea flowers to some moss blocks to make it look better! No OptiFine required!
SKT's Fast Mangrove Roots
add culling and solid textures to mangrove roots, may also give performance improvement

Those Were The Good Days! (TWTGD)
The Best Performance-Friendly Resource Pack To Bring Back Minecraft's Old Textures!
elmerizzhawiened-pack
Elmerizz Pack — a simple and optimized PvP resource pack.Smooth and stylish PvP pack with clean textures.A clean PvP texture pack for Minecraft.
Auto Totem-Optimized
Auto Totem is a simple yet essential client-side utility mod for Fabric that automatically moves a Totem of Undying into your off-hand when you need it most, based on your health or a custom keybind. Never panic-swap again!

Crafting Tweaks
Adds over 900 new, vanilla-friendly quality of life crafting recipes!
CCB Tweaks
CCB Tweaks is a Tweak mod, "CCB" is chinese meme.
Final Beta
A (Cursed) Fabric mod for Minecraft Beta 1.7.3 that adds some quality of life changes and fixes some issues.
Egregious Model Optimizations
Optimized block models via texture baking and additional culling for a passive boost!
Pixel-Tree
This texture-pack is a 32×32 resource pack that provides a stylish experience to anyone who's simply tired of the old Minecraft textures. - This back doesn't require Optifine. - Do not repost without permission.
Ice Skate Boats
If a boat is on ice, it turns into a giant Ice skate. (requires EMF or Optifine)
Tweaks
Change some values in Minecraft using gamerules
Horror Terrain 'n' Magic
Terrifying horror with more than 200 new biomes, custom quests, a lot of exciting magic, many quality of life mods, and an assortment mods such as Aquaculture 2, Mekanism, Create, and TACZ, and a large amount of fps boosters.
Minimalist GUI (Mods Support)
A professional 1.20.1 interface overhaul. Minimalist, clean, and optimized for deep mod integration. Redefining the modern Minecraft aesthetic.
Alpha QoL
This is a .jar mod for Minecraft Alpha 1.1.2_01 that provides several additions, tweaks, and patches without altering the vanilla experience!

AlphaJam
A Quality of Life mod for a1.2.6 with a bit of Legacy Console Edition flavor.
PatTheEvil’s Vanilla Tweaks
A lightweight modpack that optimizes performance and enhances vanilla Minecraft without altering core gameplay.
Simplified Grass
Slightly simplifies all cross-like (grass) and seagrass block models, mainly for a minor performance increase.
You Don't Have The Right (Recipe)
Enhance the enforcement of doLimitedCrafting gamerule. Incidentally, also adds data-driven brewing recipes and dev utilities!
VortexPvP Pack77
Custom Minecraft Java Edition PvP resource pack featuring redesigned swords, axes, and optimized visuals
Pipi Labu
A resource pack that remodel current Minecraft wolf into famous meme "Pipi Labu". Utilize the features of Optifine (ETF & EMF) with custom sound effects
Lemmy Birch Set
Change the look of the Birch family of blocks and replaces them with a generic player skin. This pack rewrites the appearance of blocks and has support for optifine texture connection. This will largely be unupdated as it is a personal project of mine.

201x_corrupt
A horror modpack with The Broken Script plus its addons, and no_moon.jar. Also comes with some other mods such as Dimensional Doors, Just Zoom, Nostalgic Tweaks, and EnhancedVisuals.
All I see are HORRORS(AISAH) (Outdated)
This is a modpack that adds almost all the horror mods, the essential mod so you can play with friends, optimization mods so the game isn't laggy and some other mods like Xaero's minimap that adds a minimap so you can see if there's mobs nearby or where.
Performant Horror
Over 100 mods to help improve performance while improving quality of life and being beautiful. Also has horror mods.