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    2,053,304 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 2026.269,472 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

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

    Structurize

    Mod

    Copy, place, and edit large structures in your world.

    A94/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 14,993
    • ReleasesLatest 30 Sep

    Download

    structurize-1.0.832-1.21.1.jar

    Released 9 Aug 2026 · 1.0 MB

    Passed: our checks found nothing harmful in this file.

    A newer beta from 30 Sep 2026 is in Releases.

    Download

    Required to run

    • BlockUIAMinecraft 1.21.1 · NeoForge (release 1.0.209)
    • Domum OrnamentumAMinecraft 1.21.1 · NeoForge (release 1.0.231-release)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for Minecraft 1.21.1, a version many recently updated mods still support
    • Public source code
    • Widely used
    • Around for years

    Points lost

    • Some modpacks removed it−2 points
    • Releases replaced within 3 days to fix a problem−2 points
    All 11 criteria

    • Maintenance

      Full points27 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.4 weeks ago (30 Sep 2026) 12 / 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, 1.20.1 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 20 of the last 24 months 6 / 6

    • Stability

      4 points lost18 / 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.57 of the 378 modpacks with two or more versions removed it in a later one (15%) See the 57 modpacks8 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.16 of its 85 releases in 2 years needed a quick fix (19%) See the 16 releases5 / 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 points7 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · ldtteam/structurize 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.77,504,150 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.7.9 years, 757 releases 8 / 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
    Total94 / 100

    64.2 of the 68 points that apply = 94 out of 100. The points above are rounded to whole numbers.

    About

    Structurize is a GUI-based utility for designing, scanning, and placing structures in Minecraft, and it is also required by MineColonies. Its Scan Tool captures an area of the world as a blueprint, while the Build Tool lets you browse, name, delete, preview, manipulate, and place saved blueprints. Blueprints represent structures with the blocks and entities needed to build them, and can be organized into packs with folders, descriptions, icons, and author information. While previewing a blueprint, players can adjust it using the on-screen manipulation grid or keyboard arrow keys before placing it. The mod synchronizes scans and blueprint packs between clients and servers: players can download scans from a server, and server owners can distribute packs to clients when they connect. Some blueprints support special behavior, including rotation and mirroring around anchor blocks, selectable levels for related designs such as wall1, wall2, and wall3, and alternative choices for blueprints grouped under the same displayed name. Blueprint anchors can also affect whether an entry is visible, define placement requirements, or trigger special placement handling for particular blocks. Structure placement is processed in buffers to reduce lag, and the maximum number of world operations performed per tick can be configured.

    Written from CurseForge and the GitHub README . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds 6 blocks, 5 items, 6 recipes and 11 key bindings.

    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 29
    Multi-PistonCTownTalkCMacaw's RoofsAMacaw's TrapdoorsAMacaw's FurnitureB

    Details

    Creators
    Raycoms, someaddon, OrionOnline, Asherslab and Nightenom
    License
    Not known
    Downloads
    77.5M
    Created
    15 Aug 2018
    Official page
    CurseForge
    Links
    Source code

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    What it can do on your computer

    Changes your mods folder
    It can add or replace files in your mods folder, for example to update itself.
    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. 1 file in your config folder.

    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 22 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.
      22 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
    • Looked for, not foundWe looked for these in the file and did not find them.
      The internet, folders outside the game, other programs, 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 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

    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
      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
      288 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
      268 code files read

    Compatibility

    See all 757 files
    NeoForge
    Forge
    Loader not stated
    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.
    BlockUIADomum OrnamentumA
    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.

    Related projects

    Projects that need Structurize to work.

    ProjectTypeDownloadsGrade
    MinecoloniesAMod89.7M downloadsCreateColoniesBMod199K downloadsVolcanic Mason: A MineColonies AddonBMod47K downloadsMinecolonies Schematic Building AutoscannerCMod33K downloadsColonies at War - Walls and Warfare for MineColoniesBMod4.3K downloadsVoyager - End Expeditions for MineColoniesBMod3.9K downloadsColonist Thieves - Heists for MineColoniesCMod1.8K downloadsRunesmith - Enchanted Equipment for MineColoniesBMod326 downloadsSpecter's ModTopia68%Modpack: 68% of its graded mods are A or BModpack159 downloadsColony HorizonsCMod42 downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    8004000
    Oct 2024: 500 modpacksNov 2024: 499 modpacksDec 2024: 493 modpacksJan 2025: 620 modpacksFeb 2025: 510 modpacksMar 2025: 539 modpacksApr 2025: 541 modpacksMay 2025: 527 modpacksJun 2025: 509 modpacksJul 2025: 561 modpacksAug 2025: 541 modpacksSep 2025: 511 modpacksOct 2025: 546 modpacksNov 2025: 535 modpacksDec 2025: 553 modpacksJan 2026: 528 modpacksFeb 2026: 499 modpacksMar 2026: 509 modpacksApr 2026: 553 modpacksMay 2026: 608 modpacksJun 2026: 498 modpacksJul 2026: 558 modpacksAug 2026: 523 modpacksSep 2026: 518 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 2024500
    Nov 2024499
    Dec 2024493
    Jan 2025620
    Feb 2025510
    Mar 2025539
    Apr 2025541
    May 2025527
    Jun 2025509
    Jul 2025561
    Aug 2025541
    Sep 2025511
    Oct 2025546
    Nov 2025535
    Dec 2025553
    Jan 2026528
    Feb 2026499
    Mar 2026509
    Apr 2026553
    May 2026608
    Jun 2026498
    Jul 2026558
    Aug 2026523
    Sep 2026518

    14,993 modpacks include Structurize 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 2026All the Mods 9 - ATM913.7M downloadslast version with it 12 Oct 2025All the Mods 8 - ATM89.3M downloadslast version with it 17 Dec 2023All the Mods 6 - ATM66.5M downloadslast version with it 24 Jan 2024Cisco's Fantasy Medieval RPG [Ultimate]5.1M downloadslast version with it 1 Jun 2026MC Eternal4.9M downloadslast version with it 16 Dec 2024Valhelsia 33.6M downloadslast version with it 21 Mar 2022All the Mods 7 - ATM73.1M downloadslast version with it 21 Mar 2024Craft to Exile 2 - 2.0 Atlas Update2.8M downloadslast version with it 12 Nov 2024Valhelsia 22.8M downloadslast version with it 11 Dec 2021
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Multi-PistonCModin 68% of the modpacks with StructurizeTownTalkCModin 50% of the modpacks with StructurizeMacaw's RoofsAModin 44% of the modpacks with StructurizeMacaw's TrapdoorsAModin 42% of the modpacks with StructurizeMacaw's FurnitureBModin 41% of the modpacks with StructurizeFTB Chunks (NeoForge)AModin 40% of the modpacks with StructurizeAttributeFixAModin 39% of the modpacks with StructurizeArs NouveauAModin 37% of the modpacks with StructurizeMekanism GeneratorsBModin 37% of the modpacks with StructurizeCooking for BlockheadsAModin 37% of the modpacks with Structurize
    1 to 10 of 29123

    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 to 1.21.1·NeoForge1.0.8321.0.832 · structurize-1.0.832-1.21.1.jarSends: None foundRequires:BlockUI, Domum OrnamentumBlockUI, Domum OrnamentumPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·NeoForge1.0.766-snapshot1.0.766-snapshot · structurize-1.20.1-1.0.766-snapshot.jarSends: None foundRequires:Domum Ornamentum, BlockUIDomum Ornamentum, BlockUIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.0.8181.0.818 · structurize-1.20.1-1.0.818.jarSends: None foundRequires:BlockUI, Domum OrnamentumBlockUI, Domum OrnamentumPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.20.4·NeoForge1.0.716-RELEASE1.0.716-RELEASE · structurize-1.20.4-1.0.716-RELEASE.jarSends: None foundRequires:BlockUI, Domum OrnamentumBlockUI, Domum OrnamentumPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20·Forge1.0.668-RELEASE1.0.668-RELEASE · structurize-1.20-1.0.668-RELEASE.jarSends: None foundRequires:BlockUI, Domum OrnamentumBlockUI, Domum OrnamentumPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.4·Forge1.0.493-ALPHA1.0.493-ALPHA · structurize-1.19.4-1.0.493-ALPHA.jarSends: None foundRequires:Domum Ornamentum, BlockUIDomum Ornamentum, BlockUIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.3·Forge1.0.488-ALPHA1.0.488-ALPHA · structurize-1.19.3-1.0.488-ALPHA.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19 to 1.19.2·Forge1.0.689-RELEASE1.0.689-RELEASE · structurize-1.19.2-1.0.689-RELEASE.jarSends: None foundRequires:BlockUI, Domum OrnamentumBlockUI, Domum OrnamentumPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.1·Forge1.0.441-ALPHA1.0.441-ALPHA · structurize-1.19.2-1.0.441-ALPHA.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Forge1.0.448-ALPHA1.0.448-ALPHA · structurize-1.18.2-1.0.448-ALPHA.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 22123

    757 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.0.835-snapshot1.0.835-snapshot · structurize-1.0.835-1.21.1-snapshot.jarBeta·30 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Beta · 1.0 MB
    1.20.1·Forge1.0.821-snapshot1.0.821-snapshot · structurize-1.20.1-1.0.821-snapshot.jarBeta·30 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Beta · 1.1 MB
    1.20.1·Forge1.0.819-snapshot1.0.819-snapshot · structurize-1.20.1-1.0.819-snapshot.jarBeta·7 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.1 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.0.833-snapshot1.0.833-snapshot · structurize-1.0.833-1.21.1-snapshot.jarBeta·7 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Beta · 1.0 MB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·NeoForge1.0.8321.0.832 · structurize-1.0.832-1.21.1.jar·9 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 1.0 MB
    1.20.1The latest file for its Minecraft version and loader·Forge1.0.8181.0.818 · structurize-1.20.1-1.0.818.jar·9 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 1.1 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.0.832-snapshot1.0.832-snapshot · structurize-1.0.832-1.21.1-snapshot.jarBeta·9 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.0 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.0.831-snapshot1.0.831-snapshot · structurize-1.0.831-1.21.1-snapshot.jarBeta·30 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.0 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.0.8301.0.830 · structurize-1.0.830-1.21.1.jar·24 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 1.0 MB
    1.20.1·Forge1.0.8161.0.816 · structurize-1.20.1-1.0.816.jar·24 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 1.1 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.0.830-snapshot1.0.830-snapshot · structurize-1.0.830-1.21.1-snapshot.jarBeta·23 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.0 MB
    1.20.1·Forge1.0.816-snapshot1.0.816-snapshot · structurize-1.20.1-1.0.816-snapshot.jarBeta·23 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.1 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.0.828-snapshot1.0.828-snapshot · structurize-1.0.828-1.21.1-snapshot.jarBeta·19 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.0 MB
    1.20.1·Forge1.0.815-snapshot1.0.815-snapshot · structurize-1.20.1-1.0.815-snapshot.jarBeta·19 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.1 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.0.826-snapshot1.0.826-snapshot · structurize-1.0.826-1.21.1-snapshot.jarBeta·19 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.0 MB
    1.20.1·Forge1.0.814-snapshot1.0.814-snapshot · structurize-1.20.1-1.0.814-snapshot.jarBeta·19 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.1 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.0.825-snapshot1.0.825-snapshot · structurize-1.0.825-1.21.1-snapshot.jarBeta·17 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.0 MB
    1.20.1·Forge1.0.813-snapshot1.0.813-snapshot · structurize-1.20.1-1.0.813-snapshot.jarBeta·17 May 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.1 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.0.823-snapshot1.0.823-snapshot · structurize-1.0.823-1.21.1-snapshot.jarBeta·23 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.0 MB
    1.20.1·Forge1.0.812-snapshot1.0.812-snapshot · structurize-1.20.1-1.0.812-snapshot.jarBeta·23 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 1.1 MB
    1 to 20 of 75712345…38

    Quick fixes

    In the last 2 years, 16 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 2 points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.16

    • structurize-1.20.1-1.0.814-snapshot.jar19 May 2026…(or above) Commits: Fix for possibly Arabic digits and other weird player…
    • structurize-1.0.828-1.21.1-snapshot.jar19 May 2026…(or above) Commits: Fix compile…
    • structurize-1.0.822-1.21.1-snapshot.jar10 Apr 2026…another dynamic timberframe hotfix…
    • structurize-1.0.820-1.21.1-snapshot.jar27 Mar 2026…(or above) Commits: hotfix dynamic timberframes…
    • structurize-1.0.816-1.21.1-snapshot.jar25 Feb 2026…(or above) Commits: Fix/order…
    • structurize-1.0.810-1.21.1-snapshot.jar18 Feb 2026…Commits: Small fixes for rework…
    • structurize-1.0.809-1.21.1-snapshot.jar17 Feb 2026…(or above) Commits: fix normal placeholders not placing…
    • structurize-1.0.802-1.21.1-snapshot.jar26 Jan 2026…(or above) Commits: Fix player inventory items not available for picking…
    • structurize-1.20.1-1.0.797-snapshot.jar6 Jan 2026…(or above) Commits: Fix select res missing player items…
    • structurize-1.20.1-1.0.793-snapshot.jar21 Dec 2025…commit) Fix scantool resource list selection…
    • structurize-1.20.1-1.0.783-snapshot.jar22 Sep 2025…(or above) Commits: Fix incorrect pack disabling [1.20]…
    • structurize-1.0.785-1.21.1-snapshot.jar10 Aug 2025…commit) fix alternatives folder in build tool #744…
    • structurize-1.20.1-1.0.768-snapshot.jar31 Mar 2025…(or above) Commits: Hotfix config access…
    • structurize-1.0.765-1.21.1-snapshot.jar16 Mar 2025…commit) hotfix #721…
    • structurize-1.0.761-1.21.1-snapshot.jar8 Feb 2025…Commits: scan tool fixes…
    • structurize-1.20.1-1.0.763-snapshot.jar9 Dec 2024…commit) fix thodor derp and #714…