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    2,054,198 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 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 25 Oct 2026.269,438 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    FPS Optimizer

    Mod

    Reduces FPS when idle/AFK to save resources (customizable).

    E43/ 100
    • OverviewE
    • SecurityNot checked yet
    • PrivacyNot read yet
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 46
    • ReleasesLatest Jul 2025

    Download

    [1.21.1] Fps Optimizer 2.1.0 (NeoForge).jar

    Released 25 Jul 2025 · 560.1 KB

    Not checked: its author does not let other sites download this file from CurseForge, so we cannot check it.

    Open on CurseForge
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade E

    How grades work

    Strengths

    • Public source code

    Points lost

    • No release in 15 months−20 points
    • Many modpacks removed it−10 points
    • Releases in only 3 of the last 24 months−4 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      16 points lost11 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.15 months ago (25 Jul 2025) 0 / 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.1.21.1 on NeoForge, 1.20.6 on Forge. 15% or more of the popular mods updated in the last 6 months also have files for 1.21.1. Latest Minecraft: 26.3. 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 3 of the last 24 months 2 / 6

    • Stability

      10 points lost5 / 15
      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.15 of the 36 modpacks with two or more versions removed it in a later one (42%) See the 15 modpacks0 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Not measured yet.
      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 5 / 5

    • Transparency

      Full points7 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · AwesomeHippo/FpsOptimizer 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.Does not apply. CurseForge links are not in our data.

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.72,213 3 / 4

    • Track record

      8 points lost0 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.22 months, 5 releases 0 / 8

    • Security

      Not checked
      File checksThis check adds no points. It can only take points away.Not checked: CurseForge does not let other apps download this project's files. B at most. See Security
    Total43 / 100

    26.1 of the 61 points that apply = 43 out of 100. The points above are rounded to whole numbers.

    About

    FPS Optimizer reduces the strain on your computer while you are idle or AFK by lowering the game's frame rate, rather than increasing performance during active play. You can configure the normal and idle frame-rate limits, the inactivity timeout, and whether an idle message appears, including its text and background.

    Written from CurseForge . How we write it

    Often used with it

    See all 30
    Better Fps - Render DistanceBFPS ReducerBL_Ender's CataclysmBDynamic FPSASerene SeasonsA

    Details

    Creator
    AwesomeHippo
    License
    Not known
    Downloads
    72K
    Created
    14 Dec 2024
    Official page
    CurseForge
    Links
    Source code

    Security

    Not checked yet

    Its author does not let other sites download its files from CurseForge, so we cannot check them.

    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 · Not checked yet
    • 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.
      4 latest files: the newest file for each Minecraft version and loader. The answer above is about the 2 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. 2 of them are not checked yet. See each file in Releases

    Privacy

    We have not read its code yet

    What it sends is not known yet.

    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 · Code not read yet
    • 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.
      None yet. See each file in Releases

    AI

    No sign so far that AI was used to make it

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

    We have not read its files, images, sounds and code history yet.

    AI in the game: not checked yet

    We have not read its code for AI 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 · 1 place 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.
      Not on Modrinth.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Not read yet
    • 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
      10 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      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
    • Sounds in its filesThe tags of the sound files in the files you download, where some AI music tools write their name.
      Not read yet
    • 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.
      Not checked for AI yet.

    Compatibility

    See all 5 files
    NeoForge
    Forge
    1.121.151.171.2026.1

    Point at or tap a version to see its loaders.

    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.It has no file for Minecraft versions newer than 1.21.1. Many recently updated mods still support 1.21.1.

    Modpacks using this project

    Find modpacks with it

    46 modpacks include FPS Optimizer in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Minecards - Trading Card Game2.4K downloadslast version with it 17 Apr 2025The aether of create2.1K downloadslast version with it 26 Nov 2025Cluttrd's apocalypse1.6K downloadslast version with it 20 Aug 2025Perfect Fantasy Created1.2K downloadslast version with it 1 Oct 2025analog horror vhs craft1K downloadslast version with it 13 Dec 2025The horrors of Siren head988 downloadslast version with it 3 Mar 2026A Song Of Fire And Ash953 downloadslast version with it 20 Apr 2026Crafty Venture837 downloadslast version with it 30 Oct 2025Isekai - A Fantastic Adventure771 downloadslast version with it 11 Apr 2025MineColonie GRTQ743 downloadslast version with it 4 Dec 2025
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Better Fps - Render DistanceBModin 59% of the modpacks with FPS OptimizerFPS ReducerBModin 41% of the modpacks with FPS OptimizerL_Ender's CataclysmBModin 41% of the modpacks with FPS OptimizerDynamic FPSAModin 41% of the modpacks with FPS OptimizerSerene SeasonsAModin 41% of the modpacks with FPS OptimizerThe AetherCModin 39% of the modpacks with FPS OptimizerServer Performance - Smooth Chunk SaveAModin 39% of the modpacks with FPS OptimizerConnectivityAModin 39% of the modpacks with FPS OptimizerSodium Dynamic LightsCModin 39% of the modpacks with FPS OptimizerStructure EssentialsAModin 37% of the modpacks with FPS Optimizer
    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
    1.21.1·NeoForge2.1.02.1.0 · [1.21.1] Fps Optimizer 2.1.0 (NeoForge).jarSends: Not read yetRequires:NothingNot checkedWe have not checked this file yet.
    1.20.1 to 1.20.5·Forge2.12.1 · [1.20.1-1.20.5] Fps Optimizer 2.1.jarSends: Not read yetRequires:NothingNot checkedWe have not checked this file yet.
    Older Minecraft versions
    1.20.6·Forge1.01.0 · [1.20.1] Fps Optimizer 1.0.jarSends: Not read yetRequires:NothingNot checkedWe have not checked this file yet.
    1.12.2·Forge1.01.0 · [1.12.2] Fps Optimizer 1.0-1.0.jarSends: Not read yetRequires:NothingNot checkedWe have not checked this file yet.

    5 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge2.1.02.1.0 · [1.21.1] Fps Optimizer 2.1.0 (NeoForge).jar·25 Jul 2025Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.20.1 to 1.20.51.20.1 to 1.20.5The latest file for its Minecraft version and loader·Forge2.12.1 · [1.20.1-1.20.5] Fps Optimizer 2.1.jar·25 Jul 2025Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1·NeoForge2.02.0 · [1.21.1] Fps Optimizer.jar·19 Jan 2025Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.20.1 to 1.20.61.20.1 to 1.20.6The latest file for its Minecraft version and loader·Forge1.01.0 · [1.20.1] Fps Optimizer 1.0.jar·13 Jan 2025Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.12.2The latest file for its Minecraft version and loader·Forge1.01.0 · [1.12.2] Fps Optimizer 1.0-1.0.jar·14 Dec 2024Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.