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    2,055,424 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 2026.269,392 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.

    WorldGen Block Replacer

    Mod

    Replace blocks with other blocks during worldgen.

    E40/ 100
    • OverviewE
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.13.2
    • ModpacksIn 94
    • ReleasesLatest May 2022

    Download

    WGBlockReplacer-1.13.2-2.1.1.jar Beta

    Released 15 Aug 2019 · 16.7 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade E

    How grades work

    Strengths

    • Security checks passed
    • Public source code
    • Widely used

    Points lost

    • No release in 4.4 years−26 points
    • No file for a Minecraft version most modpacks use−9 points
    • Some modpacks removed it−2 points
    All 11 criteria

    • Maintenance

      27 points lost0 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.4.4 years ago (28 May 2022) 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.1.13.2 on Forge. About 7.9 years behind popular modding versions. Latest Minecraft: 26.3. Abandoned: no release for 4.3 years; no file for a popular modding version; no recent human commit.0 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.No release in the last 24 months 0 / 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.12 of the 78 modpacks with two or more versions removed it in a later one (15%) See the 12 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 points7 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · The-Fireplace-Minecraft-Mods/Block-Replacer 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

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.2,929,938 4 / 4

    • Track record

      8 points lost0 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.8.7 years, 13 releases 0 / 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. See Security
    Total40 / 100

    24.1 of the 61 points that apply = 40 out of 100. The points above are rounded to whole numbers.

    About

    WorldGen Block Replacer lets you configure substitutions that replace selected blocks with other blocks as new chunks are generated, including in existing worlds. Replacement rules can target blocks added by mods and be limited to chosen biomes or dimensions using whitelist or blacklist filters. The mod does nothing until configured, and its server-side operation does not require installation on clients.

    Written from CurseForge . How we write it

    In-game changes

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.12 to 1.13.2.

    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
    FoamFixCInventory Tweaks [1.12 only]-ChiselCBetterFpsCCoFH WorldD

    Details

    Creator
    The-Fireplace
    License
    Not known
    Downloads
    2.9M
    Created
    12 Feb 2018
    Official page
    CurseForge
    Links
    Source code

    Security

    No harmful code found

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.12 to 1.13.2.

    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 Forge 1.13.2.

    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 3 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.
      3 latest files: the newest file for each Minecraft version and loader. None is for a recent Minecraft version, so the answer above is about all of them. 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
    • 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

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.12 to 1.13.2.

    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 Minecraft 1.12 to 1.13.2. See each file in Releases

    AI

    No sign that AI was used to make it

    We looked for AI tools in its texts, files, images 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 · 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.
      Not on Modrinth.
    • 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
      2 of 26 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
    • 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
      8 code files read

    Compatibility

    See all 13 files
    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.No file yet for any of the last 6 Minecraft versions.

    Related projects

    Projects that need WorldGen Block Replacer to work.

    ProjectTypeDownloadsGrade
    Exploration and Fantasy31%Modpack: 31% of its graded mods are A or BModpack467 downloads

    Modpacks using this project

    Find modpacks with it

    94 modpacks include WorldGen Block Replacer in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    MC Eternal4.9M downloadslast version with it 16 Dec 2024MC Eternal Lite912K downloadslast version with it 21 Sep 2021 AMP - Sky of Diamonds!306K downloadslast version with it 14 Aug 2019Dimension Hopper: The Fall62K downloadslast version with it 7 Oct 2023Aliens & Parasites | Ulandoverse52K downloadslast version with it 5 Jun 2021Evolution: Reset47K downloadslast version with it 23 Jul 2022MC Eternal Hardcore16K downloadslast version with it 31 Aug 2020PokeCube Master Quest14K downloadslast version with it 3 Nov 2019Omega Adventure Pack 1.12.212K downloadslast version with it 6 Mar 2023Steampunk's Paradise8.7K downloadslast version with it 26 Jun 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    FoamFixCModin 84% of the modpacks with WorldGen Block ReplacerInventory Tweaks [1.12 only]-Modin 80% of the modpacks with WorldGen Block ReplacerChiselCModin 77% of the modpacks with WorldGen Block ReplacerBetterFpsCModin 74% of the modpacks with WorldGen Block ReplacerCoFH WorldDModin 72% of the modpacks with WorldGen Block ReplacerVanillaFixDModin 67% of the modpacks with WorldGen Block ReplacerResource LoaderDModin 67% of the modpacks with WorldGen Block ReplacerFuture MCCModin 66% of the modpacks with WorldGen Block ReplacerImmersive EngineeringCModin 66% of the modpacks with WorldGen Block ReplacerThermal FoundationCModin 65% of the modpacks with WorldGen Block Replacer
    1 to 10 of 30123

    Latest files

    The newest file for each Minecraft version and loader. None is for a recent Minecraft version. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    Older Minecraft versions
    1.13.2·Forge2.1.12.1.1 · WGBlockReplacer-1.13.2-2.1.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.12.2·Forge2.3.32.3.3 · WorldGen-Block-Replacer-2.3.3+1.12.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.12 to 1.12.1·Forge2.3.02.3.0 · WorldgenBlockReplacer-1.12.2-2.3.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    13 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.12.2The latest file for its Minecraft version and loader·Forge2.3.32.3.3 · WorldGen-Block-Replacer-2.3.3+1.12.2.jar·28 May 2022PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 45.1 KB
    1.12.2·Forge2.3.22.3.2 · WorldGen-Block-Replacer-2.3.2+1.12.2.jar·8 Jan 2022PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 44.5 KB
    1.12.2·Forge2.3.12.3.1 · WorldGen-Block-Replacer-2.3.1+1.12.2.jar·6 Sep 2021PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 43.9 KB
    1.12 to 1.12.21.12 to 1.12.2The latest file for its Minecraft version and loader·Forge2.3.02.3.0 · WorldgenBlockReplacer-1.12.2-2.3.0.jar·18 Apr 2021PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 41.1 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge2.2.02.2.0 · WorldgenBlockReplacer-1.12.2-2.2.0.jar·18 Feb 2020PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 29.0 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge2.1.22.1.2 · WorldgenBlockReplacer-1.12.2-2.1.2.jar·15 Aug 2019PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 27.9 KB
    1.13.2The latest file for its Minecraft version and loader·Forge2.1.12.1.1 · WGBlockReplacer-1.13.2-2.1.1.jarBeta·15 Aug 2019PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Beta · 16.7 KB
    1.12 to 1.12.21.12 to 1.12.2·Loader not stated2.0.32.0.3 · WorldgenBlockReplacer-1.12.2-2.0.3.jar·10 Jul 2019PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 17.6 KB
    1.13.2·Loader not stated2.1.02.1.0 · WGBlockReplacer-1.13.2-2.1.0.jarBeta·11 Mar 2019PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Beta · 16.5 KB
    1.12 to 1.12.21.12 to 1.12.2·Loader not stated2.0.12.0.1 · WGBlockReplacer-1.12.2-2.0.1.jar·11 Mar 2019PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 16.6 KB
    1.12 to 1.12.21.12 to 1.12.2·Loader not stated2.0.02.0.0 · WGBlockReplacer-2.0.0.jar·28 Oct 2018PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 15.6 KB
    1.12 to 1.12.21.12 to 1.12.2·Loader not stated1.0.11.0.1 · WGBlockReplacer-1.0.1.jar·3 May 2018PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 14.2 KB
    1.12 to 1.12.21.12 to 1.12.2·Loader not stated1.0.01.0.0 · WGBlockReplacer-1.0.0.jar·12 Feb 2018PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 13.1 KB