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    2,024,305 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 24 Oct 2026.636,163 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 24 Oct 2026.269,486 projects gradedProjects with a letter from A to F. Counted on 24 Oct 2026.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    FerriteCore

    Mod

    Uses less memory so your game can run with more mods.

    A100/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.3
    • ModpacksIn 22,337
    • ReleasesLatest 24 Mar

    Download

    ferritecore-9.0.0-fabric.jar

    Released 24 Mar 2026 · 71.0 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Regular releases for the newest Minecraft versions
    • Stable releases
    • Public source code and issue tracker
    • Widely used

    Points lost

    No points lost.

    All 11 criteria

    • Maintenance

      Full points27 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.The author marked an existing file as working on Minecraft 26.3, which came out on 15 Sep 2026 12 / 12
      Supports popular versionsWhether the project has a file for a Minecraft version that 15% or more of the popular mods updated in the last 6 months also support. A version many modpacks use, like 1.20.1 or 1.21.1, also counts after a release in the last 12 months.26.3 (latest) on Fabric and NeoForge, 1.20.4 on Quilt, 1.20.1 on Forge 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 9 of the last 24 months 6 / 6

    • Stability

      Full points22 / 22
      Removed from modpacksHow many modpacks removed it in a later version of the pack. We can only see this in modpacks with two or more versions. A pack that swaps it for another edition of the same project, or that is rebuilt from scratch, does not count.10 of the 359 modpacks with two or more versions removed it in a later one (3%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.No quick fix in 2 years 7 / 7
      Known conflictsHow many projects say they do not work with it, compared with how widely it is used. Packs, small projects, forks, ports, add-ons, alternatives and old versions do not count.None of the 2 known conflicts count in the grade See the 2 known conflicts5 / 5

    • Transparency

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · malte0811/FerriteCore 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · malte0811/FerriteCore 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.243,908,292 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.5.6 years, 72 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 14 latest files for recent Minecraft versions. See Security
    Total100 / 100

    71 of the 71 points that apply = 100 out of 100.

    About

    FerriteCore is a Minecraft mod that reduces RAM usage through a range of memory optimizations. The amount saved depends on the modpack; one documented test reduced heap usage in All Of Fabric 3 from 1,792 MB to 984 MB. Some optimizations apply only on the client, while others also benefit servers, so the mod is intended for use on both sides.

    Written from Modrinth . How we write it

    In-game changes

    Changes the game's code in 5 areas: Rendering and graphicsChanges 5 game code files in this area: drawing mobs, items, particles and textures on screen., Blocks and fluidsChanges 4 game code files in this area: how blocks, fluids and redstone work., World renderingChanges 4 game code files in this area: drawing the terrain, sky, clouds and weather., Game coreChanges 2 game code files in this area: the main loop, lighting and other code the whole game uses. and Chunk loading and storageChanges 1 game code file in this area: how the game loads, tracks, saves and unloads chunks..

    Adds no new blocks, items or other content.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Often used with it

    See all 30
    LithiumAMod MenuASodium ExtraAReese's Sodium OptionsADynamic FPSA

    Details

    Creator
    malte0811
    License
    MIT License
    Downloads
    243.9M
    Created
    28 Mar 2021
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    What it can do on your computer

    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. 1 file in your config folder.

    Why we show this: a mod runs on your computer like any program, so harmful code in it can take your accounts or files. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade, and a Warning in a latest file for a recent Minecraft version lowers it.

    How we checked · All 40 latest files checked, last on 16 Oct 2026
    • FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do, without running them. Fixed rules tell what is harmful.
      40 latest files: the newest file for each Minecraft version and loader. The answer above is about the 14 for recent versions. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks. See each file in Releases
    • Their codeWe turn the code of the files back into readable code and follow what it does, without running it. This shows what it downloads, what it sends and where your login goes.
      Read without running it
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.
    • Looked for, not foundWe looked for these in the file and did not find them.
      The internet, folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends

    We read its code without running it: it contacts no web address while you play.

    Why we show this: a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · All 14 files read
    • Files readWe read the code without running it. We list each web address the code contacts while you play, and what it sends. Code that is never used is left out.
      The code of all 14 files, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    AI

    No sign that AI was used to make it

    We looked for AI tools in its texts, files, images, code history and pull requests and found none.

    No sign of AI in the game

    We found no AI service, AI library or AI model file in its code.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 8 places read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      No AI content or AI features declared.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Nothing found
      219 commits read
    • Pull requestsThe recent pull requests, comments, topics and README of the GitHub repository.
      Nothing found
      12 pull requests read
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found
      35 of 40 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Nothing found
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Nothing found
      1 image read
    • Icon and galleryThe metadata of the original icon and gallery images of the project.
      Nothing found
      1 image read
    • Code of the modThe code and files of the mod, read without running it: addresses of AI services, AI libraries, AI model files and a place for your own AI key.
      No AI service, AI library or AI model file
      48 code files read

    Compatibility

    See all 72 files
    Fabric
    NeoForge
    Forge
    Quilt
    1.161.191.2126.1

    Point at or tap a version to see its loaders.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Works in your game or on the server. Players can join without it.
    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.Nothing
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.Faster than most mods. On average, it gets a file 19 days after a new Minecraft version comes out. Measured on the last 6 Minecraft versions.

    Known conflicts

    These projects do not work together with FerriteCore: their authors or FerriteCore's author say so. If you install both, the game can crash or some features can stop working. Some of them do the same job as FerriteCore, so you only need one.

    ProjectTypeDownloadsDeclared by
    Simply Lunar OptimizedModpack15K downloadsdeclared by Simply Lunar Optimized4DMCMod8K downloadsdeclared by 4DMC

    Related projects

    Projects that need FerriteCore to work.

    ProjectTypeDownloadsGrade
    Blocks You NeedBMod1.2M downloadsEscadona de LuckyBlock84%Modpack: 84% of its graded mods are A or BModpack28K downloadsDark Fantasy56%Modpack: 56% of its graded mods are A or BModpack27K downloadsCubão de LuckyBlock84%Modpack: 84% of its graded mods are A or BModpack16K downloadsUltimative FullBrightCMod14K downloadsFabric Performance Pack71%Modpack: 71% of its graded mods are A or BModpack6.1K downloadsBlanketCon '2241%Modpack: 41% of its graded mods are A or BModpack5K downloadsDragon's Egg(S)CMod4K downloadsFPS BOOM!87%Modpack: 87% of its graded mods are A or BModpack3.9K downloadsInnovation Timespace 556%Modpack: 56% of its graded mods are A or BModpack3.6K downloads
    1 to 10 of 26123

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    3K1.5K0
    Oct 2024: 1,128 modpacksNov 2024: 1,061 modpacksDec 2024: 1,130 modpacksJan 2025: 1,271 modpacksFeb 2025: 1,175 modpacksMar 2025: 1,382 modpacksApr 2025: 1,433 modpacksMay 2025: 1,430 modpacksJun 2025: 1,360 modpacksJul 2025: 1,435 modpacksAug 2025: 1,453 modpacksSep 2025: 1,394 modpacksOct 2025: 1,617 modpacksNov 2025: 1,769 modpacksDec 2025: 1,935 modpacksJan 2026: 1,962 modpacksFeb 2026: 1,822 modpacksMar 2026: 1,863 modpacksApr 2026: 1,789 modpacksMay 2026: 1,925 modpacksJun 2026: 2,138 modpacksJul 2026: 2,275 modpacksAug 2026: 2,003 modpacksSep 2026: 1,843 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20241,128
    Nov 20241,061
    Dec 20241,130
    Jan 20251,271
    Feb 20251,175
    Mar 20251,382
    Apr 20251,433
    May 20251,430
    Jun 20251,360
    Jul 20251,435
    Aug 20251,453
    Sep 20251,394
    Oct 20251,617
    Nov 20251,769
    Dec 20251,935
    Jan 20261,962
    Feb 20261,822
    Mar 20261,863
    Apr 20261,789
    May 20261,925
    Jun 20262,138
    Jul 20262,275
    Aug 20262,003
    Sep 20261,843

    22,337 modpacks include FerriteCore in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Fabulously Optimized27.4M downloadslast version with it 20 Oct 2026Better MC [FORGE] - BMC421.1M downloadslast version with it 15 Jul 2026Prominence™ II: Hasturian Era15.4M downloadslast version with it 23 Oct 2026Cobblemon Official Modpack [Fabric]15.3M downloadslast version with it 12 Oct 2026Zombie Invade 100 Days15.3M downloadslast version with it 13 Dec 2025COBBLEVERSE - Pokemon Adventure [Cobblemon]12.6M downloadslast version with it 22 Jul 2026Cave Horror Project 18.2M downloadslast version with it 1 Oct 2026Better MC [FABRIC] BMC17.9M downloadslast version with it 20 Nov 2023Better MC [FABRIC] - BMC25.9M downloadslast version with it 15 Jul 2026Immersed With Shaders4.5M downloadslast version with it 19 Oct 2026
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with FerriteCore. Share: how many of the modpacks with FerriteCore also have that mod.

    ProjectTypeShareGrade
    LithiumAModin 77% of the modpacks with FerriteCoreMod MenuAModin 72% of the modpacks with FerriteCoreSodium ExtraAModin 61% of the modpacks with FerriteCoreReese's Sodium OptionsAModin 56% of the modpacks with FerriteCoreDynamic FPSAModin 55% of the modpacks with FerriteCoreChat HeadsAModin 43% of the modpacks with FerriteCoreBetterF3AModin 41% of the modpacks with FerriteCoreLambDynamicLights - Dynamic LightsAModin 40% of the modpacks with FerriteCoreZoomify (Zoom)AModin 39% of the modpacks with FerriteCoreBadOptimizationsAModin 37% of the modpacks with FerriteCore
    1 to 10 of 30123

    Latest files

    The newest file for each Minecraft version and loader. The files for recent versions come first. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    26.1 to 26.3·Fabric9.0.09.0.0 · ferritecore-9.0.0-fabric.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.3·NeoForge9.0.09.0.0 · ferritecore-9.0.0-neoforge.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·Fabric8.2.08.2.0 · ferritecore-8.2.0-fabric.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·NeoForge8.2.08.2.0 · ferritecore-8.2.0-neoforge.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.9 to 1.21.10·Fabric8.1.08.1.0 · ferritecore-8.1.0-fabric.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.9 to 1.21.10·NeoForge8.1.08.1.0 · ferritecore-8.1.0-neoforge.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.5 to 1.21.8·Fabric8.0.48.0.4 · ferritecore-8.0.4-fabric.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.5 to 1.21.8·NeoForge8.0.48.0.4 · ferritecore-8.0.4-neoforge.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.4·Fabric7.1.37.1.3 · ferritecore-7.1.3-fabric.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.4·NeoForge7.1.37.1.3 · ferritecore-7.1.3-neoforge.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 401234

    72 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.1 to 26.326.1 to 26.3The latest file for its Minecraft version and loader·NeoForge9.0.09.0.0 · ferritecore-9.0.0-neoforge.jar (main file)·24 Mar 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 70.3 KB
    26.1 to 26.326.1 to 26.3The latest file for its Minecraft version and loader·Fabric9.0.09.0.0 · ferritecore-9.0.0-fabric.jar (main file)·24 Mar 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 71.0 KB
    1.21.11The latest file for its Minecraft version and loader·Fabric8.2.08.2.0 · ferritecore-8.2.0-fabric.jar (main file)·25 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 78.3 KB
    1.21.11The latest file for its Minecraft version and loader·NeoForge8.2.08.2.0 · ferritecore-8.2.0-neoforge.jar (main file)·25 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 77.4 KB
    1.21.9 to 1.21.101.21.9 to 1.21.10The latest file for its Minecraft version and loader·NeoForge8.1.08.1.0 · ferritecore-8.1.0-neoforge.jar (main file)·25 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 79.7 KB
    1.21.9 to 1.21.101.21.9 to 1.21.10The latest file for its Minecraft version and loader·Fabric8.1.08.1.0 · ferritecore-8.1.0-fabric.jar (main file)·25 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 80.5 KB
    1.21.5 to 1.21.81.21.5 to 1.21.8The latest file for its Minecraft version and loader·Fabric8.0.48.0.4 · ferritecore-8.0.4-fabric.jar (main file)·25 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 80.5 KB
    1.21.5 to 1.21.81.21.5 to 1.21.8The latest file for its Minecraft version and loader·NeoForge8.0.48.0.4 · ferritecore-8.0.4-neoforge.jar (main file)·25 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 79.7 KB
    1.21.4The latest file for its Minecraft version and loader·Fabric7.1.37.1.3 · ferritecore-7.1.3-fabric.jar (main file)·25 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 107.3 KB
    1.21.4The latest file for its Minecraft version and loader·NeoForge7.1.37.1.3 · ferritecore-7.1.3-neoforge.jar (main file)·25 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 105.4 KB
    1.21.1The latest file for its Minecraft version and loader·Fabric7.0.37.0.3 · ferritecore-7.0.3-fabric.jar (main file)·25 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 120.6 KB
    1.21.1The latest file for its Minecraft version and loader·NeoForge7.0.37.0.3 · ferritecore-7.0.3-neoforge.jar (main file)·25 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 118.7 KB
    1.21.11·Fabric8.0.38.0.3 · ferritecore-8.0.3-fabric.jar (main file)·9 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 75.5 KB
    1.21.11·NeoForge8.0.38.0.3 · ferritecore-8.0.3-neoforge.jar (main file)·9 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 74.8 KB
    1.21.9 to 1.21.101.21.9 to 1.21.10·NeoForge8.0.28.0.2 · ferritecore-8.0.2-neoforge.jar (main file)·2 Nov 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 77.0 KB
    1.21.9 to 1.21.101.21.9 to 1.21.10·Fabric8.0.28.0.2 · ferritecore-8.0.2-fabric.jar (main file)·2 Nov 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 77.7 KB
    1.21.9 to 1.21.101.21.9 to 1.21.10·NeoForge8.0.18.0.1 · ferritecore-8.0.1-neoforge.jar (main file)·3 Oct 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 77.0 KB
    1.21.5 to 1.21.101.21.5 to 1.21.10·Fabric8.0.08.0.0 · ferritecore-8.0.0-fabric.jar (main file)·30 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 77.8 KB
    1.21.5 to 1.21.91.21.5 to 1.21.9·NeoForge8.0.08.0.0 · ferritecore-8.0.0-neoforge.jar (main file)·30 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 77.0 KB
    1.21.4·NeoForge7.1.27.1.2 · ferritecore-7.1.2-neoforge.jar (main file)·9 Feb 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 102.9 KB
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