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    2,072,634 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 27 Oct 2026.648,989 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 27 Oct 2026.270,357 projects gradedProjects with a letter from A to F. Counted on 27 Oct 2026.

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

    1.12.2/1.20/1.21 Optimized Forgium

    Modpack

    A modpack that helps your game run more smoothly.

    Download

    Files come from Modrinth servers.

    1.21.1 Optimized Forgium 1.0.mrpack

    Released 10 Mar 2025 · 9.7 KB

    Not checked: we have not checked this file yet.

    Download
    64%Modpack: 64% of its graded mods are A or Bof mods A or B
    Security
    Passed
    Privacy
    1 sends data
    Runs on
    Client only
    Loaders
    Forge
    Minecraft versions
    Up to 1.21.1
    • Overview64%
    • SecurityPassed
    • Privacy1 sends data
    • AINone found
    • CompatibilityUp to 1.21.1
    • ReleasesLatest 12 Feb
    OverviewSecurityPrivacyAICompatibilityReleases

    Mod grades

    How grades work

    Modpacks get no grade of their own, so we show the grades of its mods. Of its 11 graded mods, 7 are graded A or B, 3 C and 1 D to F. Its last update came out 8 months ago, for Minecraft 1.21.1. See the mods

    Images

    • Screenshot 1 of 1.12.2/1.20/1.21 Optimized Forgium

    About

    Optimized Forgium is a client-side Forge modpack designed to improve Minecraft performance while keeping the vanilla gameplay experience unchanged. Its optimization mods aim to reduce lag, increase frame rates, and speed up loading, including on lower-end computers and alongside heavier modded setups. The pack can also serve as a base for a custom modpack: unlock the profile to add other mods.

    Written from Modrinth . How we write it

    Mods in this pack12 of 12 checked

    The mods of its newest release (Minecraft 1.12.2 · Forge, 12 Feb 2026). Each check result is for the latest files of that mod, which may not be the version in this pack.

    ModGradeSecurity
    Entity CullingMod · 427.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.AI Improvements: Performance TuningMod · 173.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.FoamFixMod · 114.9M downloadsCPassedPassed: our checks found nothing harmful in the latest files.FPS ReducerMod · 73.5M downloadsBPassedPassed: our checks found nothing harmful in the latest files.MixinBootstrapMod · 39.4M downloadsCPassedPassed: our checks found nothing harmful in the latest files.Better Biome BlendMod · 36.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.KsyxisMod · 20.4M downloadsBPassedPassed: our checks found nothing harmful in the latest files.MixinBooterMod · 14.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.GPUBoosterMod · 14.3M downloadsAPassedPassed: our checks found nothing harmful in the latest files.GrapheneMod · 749K downloads-PassedPassed: our checks found nothing harmful in the latest files.Idle TweaksMod · 745K downloadsCPassedPassed: our checks found nothing harmful in the latest files.MyceliumMod · 67K downloadsDPassedPassed: our checks found nothing harmful in the latest files.
    Changes since the previous release · 5 added

    Compared with the release of 14 Mar 2025 for the same platform, Minecraft version and loader. We do not compare the versions of the mods yet.

    Added
    MixinBootstrapMixinBooterEntity CullingBetter Biome BlendGraphene
    Share graded A or B
    up 7 points

    Details

    Creator
    Hardi4938
    License
    MIT License
    Downloads
    16K
    Created
    16 Feb 2025
    Official page
    Modrinth
    Links
    Discord

    Security

    No harmful code found in its mods

    We checked all 12 mods and the files in the pack itself, without running them.

    Why we show this: a modpack installs the files of its mods, and each mod runs on your computer like any program. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: a modpack has no grade of its own, and each mod's result counts in that mod's grade.

    How we checked · All 12 mods checked
    • Its projects
      See what is in this pack
      12 mods
    • Files in the pack itself
      14 settings files, no mod jars.
    • 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.

    Privacy

    1 mod sends something about you

    We read the code of all 12 of its mods, without running it.

    Entity CullingCrash reports

    Why we show this: a modpack runs the code of its mods, and 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 12 mods read
    • Go online onlyTheir code contacts a web address, for example to check for updates. We found nothing it sends about you.
      MixinBooterIdle Tweaks
      2 mods
    • Send nothing
      Their code contacts no web address.
      9 mods

    AI

    No sign that AI was used to make its mods

    We found no AI tool in the 12 mods we checked, and no AI content is declared for them on Modrinth.

    No sign so far that AI was used to make the pack itself

    We looked for AI tools in its texts and found none.

    We have not read its files and images yet.

    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 · 2 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 declared.
    • 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
      7 changelogs read
    • Its filesCredits and texts in the files you download that name an AI tool.
      Not read yet
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Not read yet

    Compatibility

    See all 7 files
    Forge
    1.121.151.171.2026.1

    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.Install it in your game only. Servers do not need it, so you can join any server.
    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.12 projects, listed in the Overview tab.
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.It has no file for Minecraft versions newer than 1.21.1. Many recently updated mods still support 1.21.1.

    7 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.12.2·Forge1.21.2 · 1.12.2 Optimized Forgium 1.12.2_1.2.mrpack (main file)·12 Feb 2026PassedPassed: all 12 mods checked.Open this file on ModrinthDownload · Stable · 104.3 KB
    1.20.1·Forge1.21.2 · 1.20.1 Optimized Forgium 1.20.1_1.2.mrpack (main file)·12 Feb 2026PassedPassed: all 12 mods checked.Open this file on ModrinthDownload · Stable · 334.1 KB
    1.20.1·Forge1.11.1 · Optimized Forgium 1.20.1_1.1.mrpack (main file)·14 Mar 2025Not checkedWe have not checked this file yet.Open this file on ModrinthDownload · Stable · 24.5 KB
    1.12.2·Forge1.11.1 · 1.12.2 Optimized Forgium 1.1.mrpack (main file)·14 Mar 2025Not checkedWe have not checked this file yet.Open this file on ModrinthDownload · Stable · 100.6 KB
    1.12.2·Forge1.01.0 · 1.12.2 Optimized Forgium 1.0.0.mrpack (main file)·10 Mar 2025Not checkedWe have not checked this file yet.Open this file on ModrinthDownload · Stable · 97.2 KB
    1.21.1·Forge1.01.0 · 1.21.1 Optimized Forgium 1.0.mrpack (main file)·10 Mar 2025Not checkedWe have not checked this file yet.Open this file on ModrinthDownload · Stable · 9.7 KB
    1.20.1·Forge1.01.0 · Optimized Forgium 1.20.1 1.0.mrpack (main file)·16 Feb 2025Not checkedWe have not checked this file yet.Open this file on ModrinthDownload · Stable · 21.9 KB