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    2,063,946 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 26 Oct 2026.642,572 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 26 Oct 2026.270,498 projects gradedProjects with a letter from A to F. Counted on 26 Oct 2026.
    How it worksMalware we foundWhat's newAPIAboutPrivacyTermsContact

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

    Just Another Rotten Flesh to Leather Mod

    Mod

    Allows you to convert rotten flesh to leather.

    Download

    Files come from Modrinth and CurseForge servers.

    jrftl-1.21.8-fabric-1.10.0.jar

    Released 30 Aug 2025 · 15.0 KB

    Passed: our checks found nothing harmful in this file.

    Download
    C79/ 100
    Security
    Passed
    Privacy
    None found
    Runs on
    Client and server
    Loaders
    Fabric, Forge, NeoForge
    Minecraft versions
    Up to 1.21.8
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.8
    • ModpacksIn 5,049
    • ReleasesLatest Aug 2025
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

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

    Points lost

    • No release in 14 months−8 points
    • Releases in only 4 of the last 24 months−3 points
    • Some modpacks removed it−2 points

    C at most after 12 months without a release.

    All 11 criteria
    • Maintenance

      8 points lost19 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.14 months ago (30 Aug 2025). 594 modpacks released in the last 6 months still include it, so it keeps 60% of these points. The grade cannot go above C after 12 months without a release. 7 / 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.1.21.8 on Forge, NeoForge and Fabric. 24% of the 515 popular Forge 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 4 of the last 24 months 3 / 6
    • Stability

      2 points lost13 / 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.59 of the 354 modpacks with two or more versions removed it in a later one (17%) See the 59 modpacks8 / 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 points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitLab · 456Xander/JRFTL 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitLab issues · 456Xander/JRFTL 3 / 3
    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.18,719,577 4 / 4
    • Track record

      3 points lost5 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.10.3 years, 44 releases 5 / 8
    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 10 latest files for recent Minecraft versions. See Security
    Total79 / 100

    50.8 of the 64 points that apply = 79 out of 100. The points above are rounded to whole numbers.

    About

    Just Another Rotten Flesh to Leather Mod adds a way to turn rotten flesh into leather by smelting it in a furnace or smoker. With hard mode disabled, each piece of rotten flesh yields one leather; with hard mode enabled, four rotten flesh must first be crafted into prepared flesh, which is then smelted. Leather can also be smelted in a smoker, which processes it twice as fast.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 2 areas: Game coreChanges 1 game code file in this area: the main loop, lighting and other code the whole game uses. and Server and world logicChanges 1 game code file in this area: the world, commands, scoreboards, saved data and game rules..

    Adds:

    • 1 itemPrepared Flesh. Items with their own name, not counting blocks, checked against the item files.
    • 2 recipes
    • 2 advancements

    Counted from the files of the mod. Content made only in its code is not counted.

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

    Details

    Creator
    456Xander
    License
    MIT License
    Downloads
    18.7M
    Created
    6 Jul 2016
    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. Only in its files for NeoForge 1.21 to 1.21.8; Forge 1.20 to 1.21.8.

    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 10 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.
      27 latest files: the newest file for each Minecraft version and loader. The answer above is about the 10 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 10 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 10 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 and images 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 · 5 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.
    • 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
      24 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
      3 images 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
      5 code files read

    Compatibility

    See all 44 files
    Fabric
    NeoForge
    Forge
    1.91.141.171.2126.1

    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.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.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.Nothing
    LanguagesThe languages the text in the game is available in, from the language files of its latest files we checked. A language file can translate only part of the text.English, 简体中文 and Русский
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.Its newest file is for 1.21.8. It has no file for the 5 newer Minecraft versions. It also supports 1.21.1, a version many recently updated mods still support.

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    2001000
    Oct 2024: 151 modpacksNov 2024: 136 modpacksDec 2024: 142 modpacksJan 2025: 164 modpacksFeb 2025: 163 modpacksMar 2025: 175 modpacksApr 2025: 169 modpacksMay 2025: 173 modpacksJun 2025: 165 modpacksJul 2025: 172 modpacksAug 2025: 172 modpacksSep 2025: 175 modpacksOct 2025: 174 modpacksNov 2025: 178 modpacksDec 2025: 174 modpacksJan 2026: 176 modpacksFeb 2026: 133 modpacksMar 2026: 137 modpacksApr 2026: 169 modpacksMay 2026: 191 modpacksJun 2026: 172 modpacksJul 2026: 162 modpacksAug 2026: 166 modpacksSep 2026: 146 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 2024151
    Nov 2024136
    Dec 2024142
    Jan 2025164
    Feb 2025163
    Mar 2025175
    Apr 2025169
    May 2025173
    Jun 2025165
    Jul 2025172
    Aug 2025172
    Sep 2025175
    Oct 2025174
    Nov 2025178
    Dec 2025174
    Jan 2026176
    Feb 2026133
    Mar 2026137
    Apr 2026169
    May 2026191
    Jun 2026172
    Jul 2026162
    Aug 2026166
    Sep 2026146

    5,049 modpacks include Just Another Rotten Flesh to Leather Mod in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Cursed Walking - A Modern Zombie Apocalypse8.7M downloadslast version with it 10 Jul 2025Better MC [FORGE] BMC15.8M downloadslast version with it 16 Jul 2021Crazy Craft Updated4.5M downloadslast version with it 26 Aug 2024Dungeons, Dragons and Space Shuttles3M downloadslast version with it 8 Oct 2020Craft to Exile 2 - 2.0 Atlas Update2.8M downloadslast version with it 10 Sep 2026Hexxit Updated2.1M downloadslast version with it 1 Sep 2025Demon Slayers Unleashed1.6M downloadslast version with it 19 Jan 2022MineColonies: Dimensional Adventure1.2M downloadslast version with it 20 Sep 2024Prominence™ Classic1.1M downloadslast version with it 23 Feb 2022New Game - An Improved Experience | 26.1.2 UPDATE!984K downloadslast version with it 16 Jun 2023
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Just Another Rotten Flesh to Leather Mod. Share: how many of the modpacks with Just Another Rotten Flesh to Leather Mod also have that mod.

    ProjectTypeShareGrade
    AttributeFixAModin 42% of the modpacks with Just Another Rotten Flesh to Leather ModAI Improvements: Performance TuningAModin 37% of the modpacks with Just Another Rotten Flesh to Leather ModBlueprintAModin 36% of the modpacks with Just Another Rotten Flesh to Leather ModElytra SlotCModin 35% of the modpacks with Just Another Rotten Flesh to Leather ModNetherPortalFixAModin 35% of the modpacks with Just Another Rotten Flesh to Leather ModGuard VillagersAModin 34% of the modpacks with Just Another Rotten Flesh to Leather ModMacaw's TrapdoorsAModin 34% of the modpacks with Just Another Rotten Flesh to Leather ModsparkAModin 34% of the modpacks with Just Another Rotten Flesh to Leather ModGoblin TradersAModin 33% of the modpacks with Just Another Rotten Flesh to Leather ModMacaw's FurnitureBModin 33% of the modpacks with Just Another Rotten Flesh to Leather Mod
    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
    1.21.5 to 1.21.8·Fabric1.10.01.10.0 · jrftl-1.21.8-fabric-1.10.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.5 to 1.21.8·NeoForge1.10.01.10.0 · jrftl-1.21.8-neoforge-1.10.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.6 to 1.21.8·Forge1.10.01.10.0 · jrftl-1.21.8-forge-1.10.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.3 to 1.21.5·Forge1.9.31.9.3 · jrftl-1.21.5-forge-1.9.3.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.3 to 1.21.4·Fabric1.9.31.9.3 · jrftl-1.21.5-fabric-1.9.3.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.3 to 1.21.4·NeoForge1.9.31.9.3 · jrftl-1.21.5-neoforge-1.9.3.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21 to 1.21.1·Fabric1.8.01.8.0 · jrftl-1.21-fabric-1.8.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21 to 1.21.1·NeoForge1.8.01.8.0 · jrftl-1.21-neoforge-1.8.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21 to 1.21.1·Forge1.8.01.8.0 · jrftl-1.21-forge-1.8.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20 to 1.20.1·Forge1.6.01.6.0 · JRFTL-1.20.1-1.6.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 27123

    44 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.5 to 1.21.81.21.5 to 1.21.8The latest file for its Minecraft version and loader·Fabric1.10.01.10.0 · jrftl-1.21.8-fabric-1.10.0.jar (main file)·30 Aug 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 15.0 KB
    1.21.5 to 1.21.81.21.5 to 1.21.8The latest file for its Minecraft version and loader·NeoForge1.10.01.10.0 · jrftl-1.21.8-neoforge-1.10.0.jar (main file)·30 Aug 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 17.2 KB
    1.21.6 to 1.21.81.21.6 to 1.21.8The latest file for its Minecraft version and loader·Forge1.10.01.10.0 · jrftl-1.21.8-forge-1.10.0.jar (main file)·30 Aug 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 18.9 KB
    1.21.3 to 1.21.51.21.3 to 1.21.5The latest file for its Minecraft version and loader·Fabric1.9.31.9.3 · jrftl-1.21.5-fabric-1.9.3.jar (main file)·18 May 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 15.0 KB
    1.21.3 to 1.21.51.21.3 to 1.21.5The latest file for its Minecraft version and loader·NeoForge1.9.31.9.3 · jrftl-1.21.5-neoforge-1.9.3.jar (main file)·18 May 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 17.3 KB
    1.21.3 to 1.21.51.21.3 to 1.21.5The latest file for its Minecraft version and loader·Forge1.9.31.9.3 · jrftl-1.21.5-forge-1.9.3.jar (main file)·18 May 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 19.3 KB
    1.21.3 to 1.21.41.21.3 to 1.21.4·Fabric1.9.11.9.1 · jrftl-1.21.4-fabric-1.9.1.jar (main file)·14 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 15.0 KB
    1.21.3 to 1.21.41.21.3 to 1.21.4·NeoForge1.9.11.9.1 · jrftl-1.21.4-neoforge-1.9.1.jar (main file)·14 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 17.3 KB
    1.21.3 to 1.21.41.21.3 to 1.21.4·Forge1.9.11.9.1 · jrftl-1.21.4-forge-1.9.1.jar (main file)·14 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 19.3 KB
    1.21.3·Fabric1.9.01.9.0 · jrftl-1.21.3-fabric-1.9.0.jar (main file)·3 Nov 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 10.6 KB
    1.21.3·NeoForge1.9.01.9.0 · jrftl-1.21.3-neoforge-1.9.0.jar (main file)·3 Nov 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 13.0 KB
    1.21.3·Forge1.9.01.9.0 · jrftl-1.21.3-forge-1.9.0.jar (main file)·3 Nov 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 15.1 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·Fabric1.8.01.8.0 · jrftl-1.21-fabric-1.8.0.jar (first file)·20 Jul 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 10.6 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·NeoForge1.8.01.8.0 · jrftl-1.21-neoforge-1.8.0.jar (first file)·20 Jul 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 13.5 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·Forge1.8.01.8.0 · jrftl-1.21-forge-1.8.0.jar (first file)·20 Jul 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 15.0 KB
    1.20.2 to 1.20.41.20.2 to 1.20.4The latest file for its Minecraft version and loader·Forge1.7.31.7.3 · jrftl-1.20.4-forge-1.7.3.jar (first file)·13 Apr 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 14.9 KB
    1.20.4The latest file for its Minecraft version and loader·NeoForge1.7.21.7.2 · jrftl-1.20.4-neoforge-1.7.2.jar (first file)·28 Mar 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 13.8 KB
    1.20.2 to 1.20.41.20.2 to 1.20.4·Forge1.7.21.7.2 · jrftl-1.20.4-forge-1.7.2.jar (first file)·28 Mar 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 14.9 KB
    1.20.2 to 1.20.41.20.2 to 1.20.4·Forge1.7.11.7.1 · jrftl-1.20.4-1.7.1.jar (first file)·10 Mar 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 13.2 KB
    1.20.2 to 1.20.41.20.2 to 1.20.4·Forge1.7.01.7.0 · jrftl-1.20.4-1.7.0.jar (first file)·9 Mar 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 13.2 KB
    1 to 20 of 44123