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Minecraft Java 1.21 Mods

Browse 318 free mods for Minecraft Java 1.21 — popular picks include ModernLoot - Advanced Loot System, ApexClan, OcclusionX.

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M
1.16spigot

ModernLoot - Advanced Loot System

Imagine PhatLoot but better, more optimized.

113downloads
A
1.18

ApexClan

The Ultimate, Region-Threaded, High-Performance Clan Management System for Modern Minecraft Servers

82downloads
O
1.21fabric

OcclusionX

Culling something you can't see (Modern Port of Brute force Rendering Culling)

79downloads
M
1.21.11fabric

ModernTools

Bundles a bunch of different features and options into one utility mod

75downloads
P
1.16spigot

PLClearLag — Smart Performance ClearLag

Lightweight. Configurable. Built for modern servers.

39downloads
P
1.21

PulseTags

Modern lightweight placeholder and tag system for Paper servers with fast performance and easy customization.

20downloads
Shiny Armor Trims
1.21.6

Shiny Armor Trims

Glowing Armor Trims (With Optifine or in Vanilla Minecraft)

4.2Mdownloads
Borderless Glass (No OptiFine Needed) Bedrock Support!
1.21.11

Borderless Glass (No OptiFine Needed) Bedrock Support!

Borderless Glass - A Resource Pack that eliminates the border from all types of glass blocks.

1.4Mdownloads
Mahi's Connected Grass (No OptiFine Needed) Bedrock Support!
1.21.11

Mahi's Connected Grass (No OptiFine Needed) Bedrock Support!

Mahi's Connected Grass - Enhance the visual appeal of grass with connected textures for a more immersive experience.

193kdownloads
ModernCraft (Distant Horizons)
1.21.1fabric

ModernCraft (Distant Horizons)

A modpack based on the Distant Horizons mod, with shaders, performance mods, and a lot of vanilla+ improvements

121kdownloads
Saffron
1.21.11

Saffron

Adds a new, vibrant and varied style to the game - Fabulously Optimized Required!

73kdownloads
BCLib: Remastered
1.21.1fabric

BCLib: Remastered

BCLib Remastered is a powerful core library and API for Minecraft Fabric 1.21.1. It provides essential shared utilities, rendering tools, custom configs, and procedural models for BetterEnd and BetterNether. Specially optimized for modern modpacks!

33kdownloads
Mahi's No Fog (No OptiFine Needed)
1.17.1

Mahi's No Fog (No OptiFine Needed)

Removes all fog from your Minecraft world. No OptiFine needed. Supports Vanilla, Iris, and Sodium.

9.6kdownloads
Tokarevs 1st chechen war pack (11.12.1994-31.08.1996)
1.21.1

Tokarevs 1st chechen war pack (11.12.1994-31.08.1996)

(NO OPTIFINE) the only resource pack to minecraft about the first chechen war. AKS-74, Makarov PM, tools, melees, medicine and more. keyword: chechnya, grozny, war in chechnya, warfare, gun, guns, firearm, military, soviet

8.0kdownloads
Hydrogen [FPS]
1.21.11fabric

Hydrogen [FPS]

A new performance mod for modern Minecraft that uses Fabric and Custom Mixins that boost FPS by a lot!

4.9kdownloads
FPS Lovers 2
1.21.1neoforge

FPS Lovers 2

This is a modpack focused on FPS, as it adds in mods such as Embeddium, Ferrite Core, ModernFix, EVEN OCULUS LIGHTWEIGHT SHADERS!!

2.8kdownloads
ModernShowcase | 360゚ Display | Extreme Performance | Folia Support | Open Source
1.19spigot

ModernShowcase | 360゚ Display | Extreme Performance | Folia Support | Open Source

Advanced Glass Showcases: Display anything at any angle with unmatched lightweight performance.

2.2kdownloads
Better Modern Crosshair
1.16.3

Better Modern Crosshair

Better Crosshair for vanilla, sodium, optifine, vulcan

1.1kdownloads
Edge 16x
1.21.8

Edge 16x

This pack have shorter swords ⚔️ PvP look. Optimized for getting more fps

709downloads
Compact Items Utility
1.21

Compact Items Utility

Compact Items Utility is a performance-focused resource pack designed for competitive players who need maximum visibility without sacrificing the "vanilla" feel.

530downloads
Vanilla Modernized - NeoForge
1.21.1neoforge

Vanilla Modernized - NeoForge

Vanilla+ Minecraft modpack featuring exploration, enhanced world generation, building, farming, immersive progression, and optional Create automation — all with strong QoL and performance optimization.

516downloads
Replica NPC - The most modern and optimized NPC plugin
1.20spigot

Replica NPC - The most modern and optimized NPC plugin

The ultimate NPC plugin for Minecraft servers - Focused entirely on performance and compatibility

338downloads
⭐SimplePortals | Modern Portal Engine [1.19 - 26.1]
1.19spigot

⭐SimplePortals | Modern Portal Engine [1.19 - 26.1]

A Folia-Paper, high-performance portal plugin for 1.19.4 to 26.1.

319downloads
WarpSystem [1.20 - 1.21]
1.20spigot

WarpSystem [1.20 - 1.21]

A high-performance, fully customizable warp system for modern Minecraft servers.

178downloads
GriefHeal
1.21spigot

GriefHeal

The Modern High Performance Replacement For CreeperHeal

27downloads
ModernFix-mVUS Mod (26.2, 1.21.11) – Performance And Memory Optimization Backport Fork
1.21.11

ModernFix-mVUS Mod (26.2, 1.21.11) – Performance And Memory Optimization Backport Fork

ModernFix-mVUS Mod is a fork of ModernFix that publishes builds for Minecraft versions not covered by the official ModernFix releases. Like ModernFix, it focuses on improving performance, reducing memory usage, and addressing a wide range of bugs in modern Minecraft without major changes to gameplay. Features: Fork of ModernFix that targets Minecraft versions not supported […]

ThreatenGL Mod (1.21.11, 1.20.1) – Forces The Game to Use The Latest OpenGL
1.21.11

ThreatenGL Mod (1.21.11, 1.20.1) – Forces The Game to Use The Latest OpenGL

ThreatenGL Mod forces the game to use the more modern OpenGL version 4.6 instead of the older 3.2. By making this change, the mod aims to improve gameplay performance with smoother gameplay and higher frame rates, especially on newer devices. ThreatenGL modifies Minecraft's graphics settings to take advantage of OpenGL 4.6, which some GPUs use […]

Krust Client Launcher (1.21.1) – Pakistan's First Minecraft Client
1.21.1

Krust Client Launcher (1.21.1) – Pakistan's First Minecraft Client

Krust Client Launcher is a free Minecraft client developed for competitive players who want better performance and simple PvP tools without complex setup. The client focuses on three main aspects: Performance: Improves FPS and reduces lag using modern optimization technologies. PvP Support: Provides essential combat, movement, and visual modules to help players perform better in […]

Vril Client Mod (1.21.4) – Advanced Crystal PvP Client
1.21.4

Vril Client Mod (1.21.4) – Advanced Crystal PvP Client

Vril Client Mod is an external mod client for Minecraft, designed primarily for PvP combat, with a strong focus on Crystal PvP (using end crystals and respawn anchors to deal explosive damage). The client features a modern cyberpunk / neon-style interface with glow and gradient effects. It is optimized for fast combat, offering quick toggles, […]

Silent Hill Revisited Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Silent Hill Revisited Resource Pack (1.21.1, 1.20.1) – Texture Pack

Silent Hill Revisited Resource Pack is a complete and modern update of the original Silent Hill-themed pack by RedXuchilbara, now maintained and enhanced for Minecraft versions 1.16 – 1.21+ by UsakiPrime . It delivers a deeply atmospheric, horror-inspired environment with realistic textures, custom sounds, and enhanced models for blocks, items, mobs, dimensions, and particles. OptiFine […]