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    2,046,932 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 2026.269,480 projects gradedProjects with a letter from A to F. Counted on 24 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Iron Jetpacks

    Mod

    Jetpacks let you fly around your world and control your speed.

    A90/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.1.2
    • ModpacksIn 7,423
    • ReleasesLatest 15 May

    Download

    IronJetpacks-26.1.2-9.0.3.jar

    Released 15 May 2026 · 151.9 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Cucumber LibraryAMinecraft 26.1.2 · NeoForge (release 9.0.7)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Public source code and issue tracker
    • Widely used

    Points lost

    • No release in 5 months−4 points
    • Releases replaced within 3 days to fix a problem−3 points
    All 11 criteria
    • Maintenance

      2 points lost25 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.5 months ago (15 May 2026). 945 modpacks released in the last 6 months still include it, so it keeps 80% of these points. 10 / 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.26.1.2 on NeoForge, 1.20.1 on Forge. 15% or more of the popular mods updated in the last 6 months also have files for 26.1.2. 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 9 of the last 24 months 6 / 6
    • Stability

      3 points lost19 / 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.35 of the 377 modpacks with two or more versions removed it in a later one (9%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.3 of its 13 releases in 2 years needed a quick fix (23%) See the 3 releases4 / 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 5 / 5
    • Transparency

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · BlakeBr0/IronJetpacks 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · BlakeBr0/IronJetpacks 3 / 3
    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.78,108,193 4 / 4
    • Track record

      2 points lost6 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.8.7 years, 74 releases 6 / 8
    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 3 latest files for recent Minecraft versions. See Security
    Total90 / 100

    63.9 of the 71 points that apply = 90 out of 100. The points above are rounded to whole numbers.

    Images

    • Flying
    • Jetpacks

    About

    Iron Jetpacks adds customizable, Forge Energy-powered jetpacks that let players fly, with higher tiers able to offer greater speed and energy capacity. The mod includes default jetpacks made from vanilla and modded materials, while its configuration allows jetpack stats and attributes to be adjusted or new jetpacks to be added. Players can toggle the engine, use hover mode for more controlled movement, and adjust flight speed with throttle controls; flying and hovering consume stored energy. A built-in HUD shows stored energy, throttle level, engine status, and hover status, and Forge Energy compatibility lets jetpacks charge through compatible blocks from other mods. With Curios installed, a jetpack can be worn in the Back slot as a Curio.

    Written from Modrinth . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds 9 items, 5 recipes and 1 sound.

    Counted from the names and data files in the mod, so the list may not be complete.

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

    Often used with it

    See all 30
    Mekanism GeneratorsBMystical AgricultureAMekanism ToolsBIron FurnacesBElevatorModA

    Details

    Creator
    BlakeBr0
    License
    MIT License
    Downloads
    78.1M
    Created
    26 Jan 2018
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Wiki

    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.

    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 19 latest files checked, last on 15 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.
      19 latest files: the newest file for each Minecraft version and loader. The answer above is about the 3 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.
    • Modrinth and CurseForgeA release with a different file on Modrinth and on CurseForge, whose code is not the same. Each file is checked on its own. Nothing is blocked.
      Minecraft 1.16.5 · Forge · release 4.2.2 · 29 Oct 2021: Modrinth IronJetpacks-1.16.5-4.2.2.jar, CurseForge IronJetpacks-1.16.5-4.2.2.jar. 27 classes changed, 6 classes only in the CurseForge file, 15 classes only in the Modrinth file, in com.blakebr0.ironjetpacks: IronJetpacks, ModelHandler, HudHelper, JetpackModel, DynamicRecipeManager, JetpackUpgradeRecipe$Serializer, JetpackUpgradeRecipe, ColorHandler, HudHandler, InputHandler, JetpackClientHandler, KeybindHandler and 36 more.
      code differs in 1 release

    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 3 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 3 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, sounds and code history 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 · 7 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
    • 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
      28 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
      13 images read
    • Sounds in its filesThe tags of the sound files in the files you download, where some AI music tools write their name.
      Nothing found
      1 sound file 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
      51 code files read

    Compatibility

    See all 74 files
    NeoForge
    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.Needed in your game and on the server, or you cannot join.
    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.
    Cucumber LibraryA
    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 26.1.2. Many recently updated mods still support 26.1.2.

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    3001500
    Oct 2024: 269 modpacksNov 2024: 242 modpacksDec 2024: 279 modpacksJan 2025: 282 modpacksFeb 2025: 264 modpacksMar 2025: 263 modpacksApr 2025: 283 modpacksMay 2025: 280 modpacksJun 2025: 244 modpacksJul 2025: 247 modpacksAug 2025: 263 modpacksSep 2025: 246 modpacksOct 2025: 241 modpacksNov 2025: 271 modpacksDec 2025: 252 modpacksJan 2026: 243 modpacksFeb 2026: 221 modpacksMar 2026: 233 modpacksApr 2026: 255 modpacksMay 2026: 255 modpacksJun 2026: 259 modpacksJul 2026: 266 modpacksAug 2026: 247 modpacksSep 2026: 248 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 2024269
    Nov 2024242
    Dec 2024279
    Jan 2025282
    Feb 2025264
    Mar 2025263
    Apr 2025283
    May 2025280
    Jun 2025244
    Jul 2025247
    Aug 2025263
    Sep 2025246
    Oct 2025241
    Nov 2025271
    Dec 2025252
    Jan 2026243
    Feb 2026221
    Mar 2026233
    Apr 2026255
    May 2026255
    Jun 2026259
    Jul 2026266
    Aug 2026247
    Sep 2026248

    7,423 modpacks include Iron Jetpacks in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    All the Mods 10 - ATM1022.5M downloadslast version with it 15 Oct 2026SkyFactory 414.2M downloadslast version with it 13 Dec 2021All the Mods 9 - ATM913.7M downloadslast version with it 12 Oct 2025All the Mods 8 - ATM89.3M downloadslast version with it 17 Dec 2023SevTech: Ages7.2M downloadslast version with it 17 Dec 2021All the Mods 6 - ATM66.5M downloadslast version with it 24 Jan 2024Crazy Craft Updated4.5M downloadslast version with it 18 Oct 2026All the Mods 10: To the Sky ATM10SKY3.6M downloadslast version with it 19 Oct 2026All the Mods 9 - To the Sky - atm9sky3.1M downloadslast version with it 24 Apr 2026All the Mods 7 - ATM73.1M downloadslast version with it 21 Mar 2024
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Mekanism GeneratorsBModin 73% of the modpacks with Iron JetpacksMystical AgricultureAModin 66% of the modpacks with Iron JetpacksMekanism ToolsBModin 66% of the modpacks with Iron JetpacksIron FurnacesBModin 62% of the modpacks with Iron JetpacksElevatorModAModin 62% of the modpacks with Iron JetpacksIndustrial ForegoingAModin 58% of the modpacks with Iron JetpacksRefined StorageBModin 57% of the modpacks with Iron JetpacksMystical AgradditionsAModin 56% of the modpacks with Iron JetpacksFlux NetworksCModin 55% of the modpacks with Iron JetpacksImmersive EngineeringCModin 54% of the modpacks with Iron Jetpacks
    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
    26.1.2·NeoForge9.0.39.0.3 · IronJetpacks-26.1.2-9.0.3.jarSends: None foundRequires:Cucumber LibraryPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21 to 1.21.1·NeoForge8.0.118.0.11 · IronJetpacks-1.21.1-8.0.11.jarSends: None foundRequires:Cucumber LibraryPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge7.0.97.0.9 · IronJetpacks-1.20.1-7.0.9.jarSends: None foundRequires:Cucumber LibraryPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.20·Forge7.0.07.0.0 · IronJetpacks-1.20.1-7.0.0.jarSends: None foundRequires:Cucumber LibraryPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.4·Forge6.2.36.2.3 · IronJetpacks-1.19.4-6.2.3.jarSends: None foundRequires:Cucumber LibraryPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.3·Forge6.1.36.1.3 · IronJetpacks-1.19.3-6.1.3.jarSends: None foundRequires:Cucumber LibraryPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·Forge6.0.76.0.7 · IronJetpacks-1.19.2-6.0.7.jarSends: None foundRequires:Cucumber LibraryPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.1·Forge6.0.06.0.0 · IronJetpacks-1.19.1-6.0.0.jarSends: None foundRequires:Cucumber LibraryPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Forge5.1.45.1.4 · IronJetpacks-1.18.2-5.1.4.jarSends: None foundRequires:Cucumber LibraryPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18 to 1.18.1·Forge5.0.25.0.2 · IronJetpacks-1.18.1-5.0.2.jarSends: None foundRequires:Cucumber LibraryPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 1912

    74 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.1.2The latest file for its Minecraft version and loader·NeoForge9.0.39.0.3 · IronJetpacks-26.1.2-9.0.3.jar (main file)·15 May 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 151.9 KB
    26.1.2·NeoForge9.0.29.0.2 · IronJetpacks-26.1.2-9.0.2.jar (main file)·14 May 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 151.8 KB
    26.1.2·NeoForge9.0.19.0.1 · IronJetpacks-26.1.2-9.0.1.jar (main file)·13 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 150.9 KB
    26.1.2·NeoForge9.0.09.0.0 · IronJetpacks-26.1.2-9.0.0.jar (main file)·12 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 150.9 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·NeoForge8.0.118.0.11 · IronJetpacks-1.21.1-8.0.11.jar (main file)·14 Oct 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 151.2 KB
    1.20.1The latest file for its Minecraft version and loader·Forge7.0.97.0.9 · IronJetpacks-1.20.1-7.0.9.jar (main file)·12 Aug 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 155.2 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge8.0.108.0.10 · IronJetpacks-1.21.1-8.0.10.jar (main file)·29 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 151.1 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge8.0.98.0.9 · IronJetpacks-1.21.1-8.0.9.jar (main file)·6 May 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 156.9 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge8.0.88.0.8 · IronJetpacks-1.21.1-8.0.8.jar (main file)·30 Apr 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 156.7 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge8.0.78.0.7 · IronJetpacks-1.21.1-8.0.7.jar (main file)·14 Feb 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 153.0 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge8.0.68.0.6 · IronJetpacks-1.21.1-8.0.6.jar (main file)·29 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 153.0 KB
    1.20.1·Forge7.0.87.0.8 · IronJetpacks-1.20.1-7.0.8.jar (main file)·29 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 155.2 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge8.0.58.0.5 · IronJetpacks-1.21.1-8.0.5.jar (main file)·29 Oct 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 152.2 KB
    1.20.1·Forge7.0.77.0.7 · IronJetpacks-1.20.1-7.0.7.jar (main file)·29 Oct 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 154.4 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge8.0.48.0.4 · IronJetpacks-1.21.1-8.0.4.jar (first file)·11 Sep 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 152.2 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge8.0.38.0.3 · IronJetpacks-1.21.1-8.0.3.jar (first file)·26 Aug 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 152.4 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge8.0.28.0.2 · IronJetpacks-1.21.1-8.0.2.jar (first file)·25 Aug 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 152.3 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge8.0.18.0.1 · IronJetpacks-1.21.1-8.0.1.jar (first file)·25 Aug 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 152.2 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge8.0.08.0.0 · IronJetpacks-1.21.1-8.0.0.jar (first file)·22 Aug 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 152.2 KB
    1.20.1·Forge7.0.67.0.6 · IronJetpacks-1.20.1-7.0.6.jar (first file)·4 Jul 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 154.3 KB
    1 to 20 of 741234

    Quick fixes

    In the last 2 years, 3 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 3 points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.3

    • IronJetpacks-26.1.2-9.0.3.jar15 May 2026…9.0.3 for MC 26.1.2 Changes: - Fixed jetpacks not consuming energy
    • IronJetpacks-26.1.2-9.0.2.jar14 May 2026…9.0.2 for MC 26.1.2 Changes: - Fixed jetpacks not flying - Fixed the HUD not rendering…
    • IronJetpacks-26.1.2-9.0.1.jar13 May 2026…9.0.1 for MC 26.1.2 Changes: - Fixed crafting recipes not working