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Forge Mods for Minecraft 1.21

Browse 548 free Forge mods for Minecraft 1.21 — popular picks include ScoreBoost, No Duping, The Respect My Rights Modpack.

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ScoreBoost
1.21forge

ScoreBoost

Scoreboard score batch synchronization optimization mod — Fabric / NeoForge / Forge

109downloads
No Duping
1.21.6fabric

No Duping

Various toggles for disabling dupes (rails; carpets; tnt; gravity blocks; tripwire hooks).

80downloads
The Respect My Rights Modpack
1.21.11forge

The Respect My Rights Modpack

Companies and governments continue to insist that our rights as humans don't matter. Mojang has recently followed this trend thanks to the UK government's """Online Safety Act""" This modpack includes mods that give you your rights (and performance) back.

77downloads
Call Your Friends│呼朋引伴
1.21.9fabric

Call Your Friends│呼朋引伴

Use your goat horns to call your animal friends.│使用山羊角來呼喚你的動物朋友。

76downloads
Nautilus Drops│鸚鵡螺掉落物
1.21.9fabric

Nautilus Drops│鸚鵡螺掉落物

Nautilus will drop items when killed in any way.│鸚鵡螺無論以何種方式被擊殺都會掉落物品。

71downloads
Base de Modpack
1.21.5forge

Base de Modpack

The modpack that brings together everything you need for your adventures.

67downloads
Climbable Powder Snow
1.17fabric

Climbable Powder Snow

makes it so you can climb powder snow

56downloads
Farm Friendly Mob Stacking
1.21.6fabric

Farm Friendly Mob Stacking

This datapack optimizes the server by stacking mobs without penalizing players! Farms will have less mobs, but the reward will be similar or better.

55downloads
TpSetWarp
1.21.4forge

TpSetWarp

A lightweight, high-performance warp system for Minecraft Forge. Create, manage, and teleport between named locations with full multi-dimension support.

51downloads
Spawncap Control Utility Mod (1.21.11, 1.20.1) – Control Over Mob Spawning Limits
1.21.11forge

Spawncap Control Utility Mod (1.21.11, 1.20.1) – Control Over Mob Spawning Limits

Spawncap Control Utility Mod gives you deep control over mob spawning limits in Minecraft, making it ideal for custom difficulty settings, performance tuning, or modpack balancing. Features: Adjust the maximum number of mobs per category (e.g. MONSTER, CREATURE, AMBIENT, WATER_CREATURE). Adds new spawn categories from other mods and set their limits. Reduce spawncaps for laggy […]

Eco Stack Manager Mod (1.21.11, 1.20.1) – Stack, Clean, And Optimize
1.21.11forge

Eco Stack Manager Mod (1.21.11, 1.20.1) – Stack, Clean, And Optimize

Eco Stack Manager Mod is a server optimization mod designed to improve performance by managing and cleaning up item stacks, XP orbs, and inventories. It helps reduce server lag by automatically stacking items, blocks, and XP orbs, ensuring that excessive dropped items don’t overwhelm the game. Features: Automatically stacks items and blocks on the server […]

Cull Particles MultiLoader Mod (1.21.5, 1.21.1) – Go Wild with TNT and Potions
1.21.5forge

Cull Particles MultiLoader Mod (1.21.5, 1.21.1) – Go Wild with TNT and Potions

Cull Particles MultiLoader Mod increases your FPS by stopping the game from drawing particles you cannot see. If an effect is behind you or hidden by blocks, this mod prevents it from rendering. This improves performance, especially in areas with lots of particles like explosions. It is an updated version of the original Particle Culling […]

FastEvent Mod (1.21.1, 1.20.1) – Fix Lag Spikes in Your Modpack
1.21.1forge

FastEvent Mod (1.21.1, 1.20.1) – Fix Lag Spikes in Your Modpack

FastEvent Mod improves how Minecraft Forge and NeoForge handle game events. It speeds up the core Event system, which is very important for how other mods work. By making this system faster, this mod helps your game run smoother and can reduce lag, especially when you have many mods installed at once. Features: Makes the […]

True Darkness Fork Mod (1.21.5, 1.20.1) – Revive Atmospheric Darkness
1.21.5forge

True Darkness Fork Mod (1.21.5, 1.20.1) – Revive Atmospheric Darkness

True Darkness Fork Mod enhances Minecraft’s atmosphere by making unlit areas, such as moonless nights and deep caverns, pitch black, creating a more immersive and suspenseful experience. Designed to work with renderer replacers like Embeddium and Starlight, it’s a must-have for players and modpacks aiming to heighten environmental realism and tension. Features: Renders unlit areas […]

Cerulean Mod (1.21.1, 1.20.1) – Pick Up Items Without Lag
1.21.1fabric

Cerulean Mod (1.21.1, 1.20.1) – Pick Up Items Without Lag

Cerulean Mod optimizes how Minecraft checks for advancements to help reduce lag. This is especially helpful in large modpacks where the game can slow down when you pick up many items. The mod is an updated fork of Icterine, with extra features to improve performance. Features: Reduces lag from advancement checks, particularly when you pick […]

MoreMcmeta Mod (1.21.4, 1.20.1) – Animate Almost Minecraft Texture
1.21.4forge

MoreMcmeta Mod (1.21.4, 1.20.1) – Animate Almost Minecraft Texture

MoreMcmeta Mod allows you to animate any resource, like Optifine. Animate almost any Minecraft texture with more options. You can animate almost any texture in the game, including armor, mob, and GUI textures. Textures from other mods that use Minecraft's default texturing process work as well. You can synchronize any animation to the world's current […]

Create: Better Motors Mod (1.21.1, 1.20.1) – Advanced Machine Upgrades
1.21.1forge

Create: Better Motors Mod (1.21.1, 1.20.1) – Advanced Machine Upgrades

Create: Better Motors Mod brings a new approach to optimizing machines in Minecraft with powerful better motors. It attracts players who love automation thanks to its unique power integration capabilities. Features: This mod adds 7 engines that convert Forge Energy (FE) into Stress Units (SU) with optimal performance. It includes high-end generators up to 452 […]

SetBlock-TNT Mod (1.21.8, 1.20.6) – Summons TNTs Below The Player’s Feet
1.21.8fabric

SetBlock-TNT Mod (1.21.8, 1.20.6) – Summons TNTs Below The Player’s Feet

SetBlock-TNT Mod is a fun challenge mod, and as the name suggests, this mod continuously places TNT blocks under the player's feet. A list of basic functions and optimization features, as noted by the developer are listed below. Features: Basic Functions: When the health of all players in Survival or Adventure mode is greater than […]

Noisium Mod (1.21.8, 1.20.1) – Optimize Worldgen Performance
1.21.8forge

Noisium Mod (1.21.8, 1.20.1) – Optimize Worldgen Performance

Noisium Mod is a mod that improves the performance of world generation in Minecraft. It does this by making changes to some of the world generation functions that other mods don't touch. The most notable change is to NoiseChunkGenerator, which is optimized to speed up block placement when generating new chunks. Three other smaller optimizations […]

No Entity Lag Mod (1.21.4, 1.20.6) – Decreases Lag Caused Due To Entities
1.21.4fabric

No Entity Lag Mod (1.21.4, 1.20.6) – Decreases Lag Caused Due To Entities

One of the most resource consuming game elements are entities. Mobs, minecarts, armor stands, lighted TNTs, etc. all count as entities and as their number increases, the game performance will drop drastically. No Entity Lag Mod is here with the solution. This mod introduces some measures that will help manage and reduce the lag caused […]

Staaaaaaaaaaaack Mod (1.21.8, 1.20.1) – Merge And Manage
1.21.8forge

Staaaaaaaaaaaack Mod (1.21.8, 1.20.1) – Merge And Manage

Staaaaaaaaaaaack Mod allows dropped items to merge, even if their stacks are already full. This can help reduce lag caused by a large number of drops in a small area. Items can merge beyond the vanilla stack limit without changing the actual maximum stack size. You can set a specific distance within which items will […]

Stitch Mod (1.21.8, 1.20.1) – Connected Texture Model Loader
1.21.8forge

Stitch Mod (1.21.8, 1.20.1) – Connected Texture Model Loader

Stitch Mod that uses Athena, a cross-platform baked model loader, to provide efficient support for connected textures and custom rendering features. It’s designed to improve performance and solve common rendering issues. Features: Cross-platform model loader (Athena) Built-in support for connected textures (CTM) Unique baked models per type for optimized rendering Custom checks for improved visual […]

Sodium/Embeddium Options Mod Compat Mod (1.21.4, 1.20.1)
1.21.4fabric

Sodium/Embeddium Options Mod Compat Mod (1.21.4, 1.20.1)

Sodium/Embeddium Options Mod Compat Mod adds a familiar Sodium-style video settings menu to other rendering-related mods. If a mod doesn't have its own options screen, this addon provides one, making all your settings look clean and consistent. Features: Adds a Sodium-style options menu to various visual mods. Works with mods such as Entity Texture Features, […]

Adaptive Performance Tweaks Items Mod (1.21.1, 1.20.1) – Item Clustering
1.21.1forge

Adaptive Performance Tweaks Items Mod (1.21.1, 1.20.1) – Item Clustering

Adaptive Performance Tweaks (APTweaks) is a collection of Minecraft server-side mods which automatically adjust specific settings on the server to allow a more balanced TPS/FPS. The goal of this mod is to allow a smoother experience on a server with several (=> 180) Mods. Adaptive Performance Tweaks Items Mod optimizes item behavior to improve game […]

Optimizer Mod (1.21.5, 1.20.1) – Aims to Improve Game Performance
1.21.5fabric

Optimizer Mod (1.21.5, 1.20.1) – Aims to Improve Game Performance

Optimizer Mod improves game performance, specifically focusing on how smoothly the game world runs (TPS) and how long each game tick takes (MSPT). A unique aspect of this mod is that it only needs to be used once when loading a world; after that, the mod file can be removed. Features: Aims to improve game […]

Adaptive Performance Tweaks Core Mod (1.21.1, 1.20.1)
1.21.1forge

Adaptive Performance Tweaks Core Mod (1.21.1, 1.20.1)

Adaptive Performance Tweaks Core Mod is the main set of API modules for the Adaptive Performance Tweaks: Spawn mod, which are crucial for improving performance and unlocking the full potential of your Minecraft server. Features: Enhances server performance without requiring client installation. Allows users to select specific optimization modules or features based on their needs. […]

Observable Mod (1.21.4, 1.20.1) – Diagnosing Performance Issues
1.21.4forge

Observable Mod (1.21.4, 1.20.1) – Diagnosing Performance Issues

Observable Mod is a profiler mod that allows tracking processes in the game that excessively load and slow down gameplay. Simply put, this mod can help identify the reasons and mods causing Minecraft to perform poorly. Currently, the mod gathers and processes information only about the performance (TPS) of the internal game server (even in […]

Sodium/Embeddium Extras Mod (1.21.5, 1.20.1) – Tweak Graphics for Max FPS
1.21.5fabric

Sodium/Embeddium Extras Mod (1.21.5, 1.20.1) – Tweak Graphics for Max FPS

Sodium/Embeddium Extras Mod adds many new features and customization options to the Sodium and Embeddium mods. It gives you more control to improve your game's performance and change how things look. This mod is an addon, so it requires you to have Sodium or Embeddium installed first. Features: Improves performance by not rendering entities that […]

Fancy Clear Mod (1.21.5, 1.20.1) – Optimize Your Server, Maintain Performance
1.21.5forge

Fancy Clear Mod (1.21.5, 1.20.1) – Optimize Your Server, Maintain Performance

Fancy Clear Mod helps clean up entities (like mobs and items) in your game to improve performance by preventing excessive numbers from causing lag. It includes features like automatic cleanup, configurable settings, and support for multiple languages. Features: Monitors and clears excessive numbers of creatures or items to prevent TPS decreases. Customizable blacklist allows exemption […]

Despawn Tweaks Mod (1.21.1, 1.20.1) – Smarter Despawning
1.21.1fabric

Despawn Tweaks Mod (1.21.1, 1.20.1) – Smarter Despawning

Despawn Tweaks Mod fixes cases where mobs will be prevented from despawning. Features: Allows mobs that pick up items or gear to despawn naturally. Drops held loot properly when mobs despawn. Allows mobs that spawn from spawners to bypass this rule, optionally only in specific structures. Improves performance on both dedicated servers and in singleplayer. […]

Off Hand Tick Fix Mod (1.21.1, 1.20.1) – Fix Off Hand Delays
1.21.1fabric

Off Hand Tick Fix Mod (1.21.1, 1.20.1) – Fix Off Hand Delays

Off Hand Tick Fix Mod is a lightweight performance mod that resolves issues with off-hand item ticking, ensuring smoother gameplay when using items in the secondary slot. This is particularly useful for mods that rely on off-hand mechanics, preventing delays or unintended behavior. Features: Fixes off-hand item tick rate inconsistencies. Improves compatibility with mods that […]

Redirected Mod (1.21.1, 1.20.1) – Redirected Memory Optimization
1.21.1fabric

Redirected Mod (1.21.1, 1.20.1) – Redirected Memory Optimization

Redirected Mod is an updated multiloader port of the Redirector mod, designed to reduce Minecraft's memory usage by preventing the unnecessary creation of enum value arrays. This optimization helps improve performance, especially in modded environments where memory efficiency is crucial. Features: Reduces memory usage by optimizing enum handling. Improves performance in heavily modded setups. Works […]

Create Ultimate Factory Mod (1.21.1, 1.20.1) – Increase Automation Possibilities
1.21.1forge

Create Ultimate Factory Mod (1.21.1, 1.20.1) – Increase Automation Possibilities

Create Ultimate Factory Mod expands the automation capabilities of the Create mod, introducing new tools, machines, and mechanics for large-scale factory building. This mod enhances the industrial and engineering aspects of Create, allowing players to design efficient production lines and optimize resource management. Features: New machines and conveyor systems for better automation. Enhanced factory components […]

Vanilla Icecream Fix Mod (1.21.4, 1.20.1) – Crash UI, Performance Enhances
1.21.4forge

Vanilla Icecream Fix Mod (1.21.4, 1.20.1) – Crash UI, Performance Enhances

Vanilla Icecream Fix Mod is an updated version of Runemoro’s VanillaFix. It includes bug fixes that Mojang has not addressed and some quality of life (QOL) features, such as a crash UI for Minecraft. Features: Crash UI: Replaces abrupt game closures with a crash screen, offering options to return to the main menu or upload […]

Sodium Leaf Culling Mod (1.21.1) – Optimize Leaf Rendering In Sodium For A Performance Boost
1.21.1fabric

Sodium Leaf Culling Mod (1.21.1) – Optimize Leaf Rendering In Sodium For A Performance Boost

Sodium Leaf Culling Mod is a performance-focused addon for Sodium, designed to optimize how leaves are rendered in Minecraft. Since leaves have transparency, they usually require more rendering power, but this mod improves efficiency by modifying how they are drawn. Features: Directly integrates into Sodium’s chunk mesh render pipeline for optimal performance. Multiple culling modes […]

Unnamed Framework Mod (1.21.1) – Increases Performance and Removes Redundant Processes
1.21.1fabric

Unnamed Framework Mod (1.21.1) – Increases Performance and Removes Redundant Processes

Unnamed Framework Mod is a performance-focused framework that supports other mods and datapacks. It optimizes performance, removes redundancies, and improves compatibility between modules. Debugging capabilities are enhanced, making mod development and testing more efficient. Features: Increases performance and removes redundant processes. Enhances compatibility between supported modules. Improves debugging capabilities for streamlined development. Integrates universal features […]