A list of performance-enhancing mods for 1.21.x forge/fabric versions.
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| Name | Known Incompatibilities | Description | Author | Performance Improvement | Label | License |
|---|---|---|---|---|---|---|
Alternate Current  |
Unknown | Alternate Current is an efficient and non-locational redstone dust implementation. | Space Walker | Server | None | MIT |
| Better Beds |
Unknown | Removes the Block Entity Renderer from the bed and replaces it with the default minecraft model renderer. | Motschen | Client | None | MIT |
| Better Chunk Loading |
Unknown | Predicts player movement and pre-loads chunks in an area ahead of them asynchronously, Slightly increases chunk loading speed in general, Changes the vanilla chunkloading around the player to be more lazy/less reactive, which reduces the overall amount of chunks being loaded and unloaded | someaddon | Both | none | All Rights Reserved |
| Better Fps - Render Distance |
Very Many Players | Better FPS Render Distance is a mod which adds a few performance improvements to increase fps. | someaddon | Client | none | All Rights Reserved |
| Concurrent Chunk Management Engine |
Unknown | A Fabric mod designed to improve the chunk performance of Minecraft. | ishland | Both | Alpha (1) | MIT |
| Connectivity |
Unknown | Lightweight mod which solves several connection problems like Login-Timeouts, DecoderException, Packet size limits, Ghostblock issues, Payload too large and more. It also offers commands to analyze network traffic. | someaddon | Both | none | All Rights Reserved |
| Chunky |
Unknown | Pre-generates chunks, quickly and efficiently. | pop4959 | Both | Configuration Needed (7) | GPL-3 |
| Chunk Sending |
Unknown | Optimizes chunk packet sending through sorting and distributing them over time. | someaddon | Server | none | All Rights Reserved |
| Clumps |
Unknown | Clumps groups XP orbs together into a single entity to reduce lag when there are many in a small area. | jaredlll08 | Server | none | MIT |
| Dynamic FPS |
Unknown | Automatically reduces rendering speed when minecraft is not focused (to 1 FPS) or hidden (no renders at all). | juliand665 | Client | none | MIT |
| Enhanced Block Entities |
Sodium⁴ | EBE is a mod which aims to increase the performance of block entity rendering, as well as offer customizability via resource packs. | FoundationGames | Client | none | LGPL-3.0 |
| Entity Culling |
Unknown | EntityCulling using async path-tracing to skip rendering Tiles/Entities that are not visible. | tr9zw | Client | none | Custom |
| FerriteCore |
Unknown | This mod reduces the memory usage of Minecraft in a few different ways | malte0811 | Both | none | MIT |
| Get It Together, Drops! |
Unknown | This mod adds two configuration options to control how dropped items combine on the ground. This can significantly improve performance in areas with lots of dropped items | bl4ckscor3 | Server | none | MIT |
| ImmediatelyFast |
Unknown | ImmediatelyFast is an open source Fabric mod which improves the immediate mode rendering performance of the client. It is designed to be lightweight and compatible with other mods. | RaphiMC | Client | none | LGPL-3.0 |
| Krypton |
Unknown | Krypton is a Minecraft mod designed for the Fabric mod loader that implements a suite of optimizations focused on the Minecraft networking stack. | astei | Both | none | LGPL-3.0 |
| Ksyxis |
Fastload | Speeds up your world loading by skipping vanilla's unnecessary 441 chunk loading-unloading on every login. | VidTu | Both | Incompatible (1) | MIT |
| Lazy Language Loader |
Unknown | Lazy Language Loader improves loading times when changing your language by only reloading the language instead of all the game resources! | chachylmao | Client | none | LGPL-3.0 |
| Let Me Despawn |
Unknown | LMD tweaks the despawn check to allow mobs that pick up or equip items from the ground to naturally despawn like any other mob. | frikinjay | Server | Reverse Features (7) | LGPL-3.0 |
| Lithium |
Unknown | Lithium is a general-purpose optimization mod for Minecraft which works to improve a number of systems without changing any behavior | jellysquid3_ | Both | none | LGPL-3.0 |
| Log Begone |
Unknown | Log Begone is a fork of Shut Up Console by Bravarly that simply allows you to remove annoying logs. Can also help with performance if there is a lot of log spam | AzureDoomC | Server | Configuration Needed (7) | LGPL-3.0 |
| Methane |
Starlight, Phosphor | A mod that aims to reduce lag by removing fog (optional) and lighting. | AnOpenSauceDev | Client | none | MIT |
| ModernFix |
None | Improves launch times, world load times, and memory usage | embeddedt | Both | none | GNU Lesser GPL |
| nvidium |
Unknown | Nvidium is a replacement rendering backend for sodium that uses nvidia only opengl extensions to increase fps by a significant amount. | Cortex | Client | None | LGPL-3.0 |
| Particle Blocker |
Unknown | Adds a GUI to pick and choose particles to not render. | Declipsonator | Client | none | LGPL-3.0 |
| Particle Core |
Unknown | Particle optimizations: Culling, rendering optimizations, configurable particle-type-specific spawn reduction, and potion particle disabling. | fzzyhmstrs | Client | none | MIT |
| Raknetify |
Unknown | Allows users to use raknet to connect to servers, which improves network performance. Gives significant boosts on bad connections | ishland | Both | Alpha (?) | Custom |
| Sodium |
Mods that utilize of the FRAPI⁴ | Sodium is a free and open-source rendering engine replacement for the Minecraft client that greatly improves frame rates, reduces micro-stutter, and fixes graphical issues in Minecraft. | jellysquid3_ | Client | none | LGPL-3.0 |
| ServerCore |
Unknown | A fabric mod that aims to optimize & add multiplayer features to the minecraft server. | Wesley1808 | Server | none | MIT |
| Smoke Suppresion |
Unknown | This is to prevent client-side lag and general annoyance when using large numbers of campfires in farms. | supersaiyansubtlety | Client | none | MIT |
| Smooth Chunk Save |
Unknown | Saves chunks continuously over time, reducing server lag and preventing lagspikes from saving too many chunks at once. | someaddon | Server | none | All Rights Reserved |
| Structure Essentials |
Unknown | Faster locate command, advance error logging, nearby structure checks and more. | someaddon | Server | none | All Rights Reserved |
| Very Many Players |
Unknown | Very Many Players, or VMP for short, is a Fabric mod designed to improve general server performance at high playercount without sacrificing vanilla functionality or behavior. | ishland | Server | none | MIT |
| Vulkan Mod |
Sodium, Exordium | a fabric mod that rewrites Minecraft OpenGL renderer to use Vulkan API. | x_collateral | Client | Incompatible(6) | LGPL-3.0 |
| Name | Known Incompatibilities | Description | Author | Performance Improvement | Label | License |
|---|---|---|---|---|---|---|
| AI Improvements⁵ |
None | Simplified AI modification mod focused on performance and low-level modifications to AIs in the game | QueenOfMissiles | Server | none | All Rights Reserved |
| Chunky |
Unknown | Pre-generates chunks, quickly and efficiently. | pop4959 | Both | Configuration Needed (7) | LGPL-3.0 |
| Entity Culling |
Unknown | EntityCulling using async path-tracing to skip rendering Tiles/Entities that are not visible. | tr9zw | Client | none | Custom |
| Let Me Despawn |
Unknown | LMD tweaks the despawn check to allow mobs that pick up or equip items from the ground to naturally despawn like any other mob. | frikinjay | Server | Reverse Features (7) | LGPL-3.0 |
| Name | Known Incompatibilities | Description | Author | Performance Improvement | Label | License |
|---|---|---|---|---|---|---|
| AI Improvements⁵ |
None | Simplified AI modification mod focused on performance and low-level modifications to AIs in the game | QueenOfMissiles | Server | none | All Rights Reserved |
| Better Chunk Loading |
Unknown | Predicts player movement and pre-loads chunks in an area ahead of them asynchronously, Slightly increases chunk loading speed in general, Changes the vanilla chunkloading around the player to be more lazy/less reactive, which reduces the overall amount of chunks being loaded and unloaded | someaddon | Both | none | All Rights Reserved |
| Better Fps - Render Distance |
Unknown | Better FPS Render Distance is a mod which adds a few performance improvements to increase fps. | someaddon | Client | none | All Rights Reserved |
| Connectivity |
Unknown | Lightweight mod which solves several connection problems like Login-Timeouts, DecoderException, Packet size limits, Ghostblock issues, Payload too large and more. It also offers commands to analyze network traffic. | someaddon | Both | none | All Rights Reserved |
| Chunk-Pregenerator |
Unknown | Chunk Pregenerator is a tool that allows you to generate your World more efficiently, by Preemptively generating the chunks. It is a Server-side tool that has some optional client features if wanted. | Speiger | Both | Configuration Needed (7) | All Rights Reserved |
| Chunky |
Unknown | Pre-generates chunks, quickly and efficiently. | pop4959 | Both | Configuration Needed (7) | LGPL-3.0 |
| Client Crafting |
Unknown | Clientcrafting is a client-side utility which makes crafting UI's much more responsive through eliminating the server delay. | someaddon | Client | none | All Rights Reserved |
| Clumps |
Unknown | Clumps groups XP orbs together into a single entity to reduce lag when there are many in a small area. | jaredlll08 | Server | none | MIT |
| Chunk Sending |
Unknown | Optimizes chunk packet sending through sorting and distributing them over time. | someaddon | Server | none | All Rights Reserved |
| Dynamic View |
APTweaks | This is a small/light serverside utility mod to help balancing lag (TPS) and chunk view/load distance. | someaddon | Server | none | LGPL-3.0 |
| Embeddium |
Magnesium, OptiFine, Rubidium | Embeddium is a fork of Rubidium which focuses on mod compatibility. | embeddedt | Client | none | LGPL-3.0 |
| Entity Culling |
Unknown | EntityCulling using async path-tracing to skip rendering Tiles/Entities that are not visible. | tr9zw | Client | none | Custom |
| Fast Async World Save |
Unknown | A lightweight mod that makes data saved asynchronously during the intermittent world save every 5 minutes to prevent lag spikes. | someaddon | Server | none | All Rights Reserved |
| FerriteCore |
Unknown | This mod reduces the memory usage of Minecraft in a few different ways | malte0811 | Both | none | MIT |
| Fix GPU Memory Leak |
Unknown | A mod that fixes some bugs which leak resources within GPU memory. | someaddon | Server | none | All Rights Reserved |
| Get It Together, Drops! |
Unknown | This mod adds two configuration options to control how dropped items combine on the ground. This can significantly improve performance in areas with lots of dropped items | bl4ckscor3 | Server | none | MIT |
| Leaky |
Unknown | Leaky is a mod to detect and report farm setups leaking items, causing lag and over time crashes in the world. | someaddon | Both | none | All Rights Reserved |
| Let Me Despawn |
Unknown | LMD tweaks the despawn check to allow mobs that pick up or equip items from the ground to naturally despawn like any other mob. | frikinjay | Server | Reverse Features (7) | LGPL-3.0 |
| Limited Chunkloading |
Unknown | Small lightweight-server side mod which controls and limits loaded chunks to only stay X time after player logout. | someaddon | Both | none | All Rights Reserved |
| Log Begone |
Unknown | Log Begone is a fork of Shut Up Console by Bravarly that simply allows you to remove annoying logs. Can also help with performance if there is a lot of log spam | AzureDoomC | Server | Configuration Needed (7) | LGPL-3.0 |
| ModernFix |
None | Improves launch times, world load times, and memory usage | embeddedt | Both | none | GNU Lesser GPL |
| Recipe Essentials |
Unknown | Caches recipe lookups to prevent lag from autocrafting machines, Reduce total size of the recipe packet to avoid size issues, Improves item comparisons in general for better performance | someaddon | Both | none | All Rights Reserved |
| Smooth Chunk Save |
Unknown | Saves chunks continuously over time, reducing server lag and preventing lagspikes from saving too many chunks at once. | someaddon | Server | none | All Rights Reserved |
| Structure Essentials |
Unknown | Faster locate command, advance error logging, nearby structure checks and more. | someaddon | Server | none | All Rights Reserved |
| Name | Known Incompatibilities | Description | Author | Performance Improvement | Label | License |
|---|---|---|---|---|---|---|
| Alternate Current |
Unknown | Alternate Current is an efficient and non-locational redstone dust implementation. | Space Walker | Server | None | MIT |
| Better Beds |
Unknown | Removes the Block Entity Renderer from the bed and replaces it with the default minecraft model renderer. | Motschen | Client | None | MIT |
| ImmediatelyFast |
Unknown | ImmediatelyFast is an open source Fabric mod which improves the immediate mode rendering performance of the client. It is designed to be lightweight and compatible with other mods. | RaphiMC | Client | none | LGPL-3.0 |
| Lithium |
Unknown | Lithium is a general-purpose optimization mod for Minecraft which works to improve a number of systems without changing any behavior | jellysquid3_ | Both | none | LGPL-3.0 |
| nvidium |
Unknown | Nvidium is a replacement rendering backend for sodium that uses nvidia only opengl extensions to increase fps by a significant amount. | Cortex | Client | None | All Rights Reserved |
| Methane |
Starlight, Phosphor | A mod that aims to reduce lag by removing fog (optional) and lighting. | AnOpenSauceDev | Client | none | MIT |
| Particle Core |
Unknown | Particle optimizations: Culling, rendering optimizations, configurable particle-type-specific spawn reduction, and potion particle disabling. | fzzyhmstrs | Client | none | MIT |
| Sodium |
Mods that utilize of the FRAPI⁴ | Sodium is a free and open-source rendering engine replacement for the Minecraft client that greatly improves frame rates, reduces micro-stutter, and fixes graphical issues in Minecraft. | jellysquid3_ | Client | none | LGPL-3.0 |