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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.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

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

    Chalk

    Mod

    Draw arrows, dots, and symbols to mark your way through caves.

    A96/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyGoes online
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 2,760
    • ReleasesLatest 6 Sep

    Download

    chalk-fabric-1.21.1-2.0.2.jar

    Released 6 Sep 2026 · 536.8 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Fabric APIAMinecraft 1.21.1 · Fabric (release 0.116.17)
    • Forge Config API PortAMinecraft 1.21.1 · Fabric (release 21.1.6)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

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

    Points lost

    • Releases in only 6 of the last 24 months−1 point
    • Some modpacks removed it−1 point
    All 11 criteria
    • Maintenance

      1 point lost26 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.7 weeks ago (6 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 and Fabric, 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 6 of the last 24 months 5 / 6
    • Stability

      1 point lost21 / 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.49 of the 373 modpacks with two or more versions removed it in a later one (13%) See the 49 modpacks9 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.No quick fix in 2 years 7 / 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 · mortuusars/Chalk 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · mortuusars/Chalk 3 / 3
    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.22,423,946 4 / 4
    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.5.1 years, 50 releases 8 / 8
    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 4 latest files for recent Minecraft versions. See Security
    Total96 / 100

    68.5 of the 71 points that apply = 96 out of 100. The points above are rounded to whole numbers.

    Images

    • Cave
    • X-Mark
    • Glowing
    • Arrows and Dots
    • Colors
    • Symbol Selection
    • Chalk Box

    About

    Chalk lets players leave marks to navigate caves and structures or use blocks as a canvas for decoration. Clicking a block face draws an arrow aimed toward the clicked position, while clicking its center draws a dot; each face can hold a mark, so players can place up to six marks on one block. Players can dye chalk into a wide range of colors and choose from symbols through an interface, with most special symbols unlocked by completing advancements. The symbol selection includes examples such as a house, skull, tools, sun, moon, star, note, hook, bottle, face, and grass, alongside directional and X-shaped marks. Marks can be made bright and slightly illuminate nearby surroundings by applying Glowstone Dust or a Glow Ink Sac. The Chalk Box stores chalk and lets players draw with a selected chalk, including glowing marks when a glowing item is placed in its special slot.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 8 areas: PlayerChanges 3 game code files in this area: your character: movement, abilities, hunger and controls., World renderingChanges 1 game code file in this area: drawing the terrain, sky, clouds and weather., User interfaceChanges 1 game code file in this area: menus, screens, tooltips, the chat window and the in-game overlay., Inventory and itemsChanges 1 game code file in this area: items, chests and other containers, crafting and enchanting., Mobs and their behaviorChanges 1 game code file in this area: mobs, animals, villagers, projectiles and how they move and act., Server and world logicChanges 1 game code file in this area: the world, commands, scoreboards, saved data and game rules., Rendering and graphicsChanges 1 game code file in this area: drawing mobs, items, particles and textures on screen. and Game coreChanges 1 game code file in this area: the main loop, lighting and other code the whole game uses..

    A library packed inside it changes 5 more game code files: Mortaar.

    Adds 1 block, 18 items, 3 recipes, 7 advancements, 4 loot tables and 7 sounds.

    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
    BlueprintAAttributeFixAsparkAChat HeadsAServer Performance - Smooth Chunk SaveA

    Details

    Creator
    mortuusars
    License
    MIT License
    Downloads
    22.4M
    Created
    4 Oct 2021
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Discord

    Security

    No harmful code found

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

    What it can do on your computer

    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. Only in its files for Fabric 1.21.1; NeoForge 1.21.1. See Privacy
    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 14 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.
      14 latest files: the newest file for each Minecraft version and loader. The answer above is about the 4 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.
      Folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends about you

    We read its code without running it: it contacts 1 web address while you play.

    Like any connection, each address it contacts sees your IP address.

    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 4 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 4 files, for recent Minecraft versions. See each file in Releases
    • raw.githubusercontent.com
      Downloads the list of supporters to unlock their rewards.
    • 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
      64 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
      4 sounds 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
      177 code files read

    Compatibility

    See all 50 files
    Fabric
    NeoForge
    Forge
    1.161.191.2126.1

    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.
    Fabric APIon FabricAForge Config API Porton FabricA
    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 Chalk to work.

    ProjectTypeDownloadsGrade
    Cardboard Chalk BoxEMod77K downloadsChalk: CharsBMod4.4K downloadsExcalibur | Chalk SupportCResource pack769 downloadsCardboard ChalkboxBData pack607 downloadsChalkboard! an add-on for ChalkBMod477 downloadsTFC Chalkworks: Barrel EditionCData pack271 downloadsTFC Chalkworks: Barrel Edition TweaksCData pack181 downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    2001000
    Oct 2024: 148 modpacksNov 2024: 138 modpacksDec 2024: 120 modpacksJan 2025: 146 modpacksFeb 2025: 137 modpacksMar 2025: 146 modpacksApr 2025: 141 modpacksMay 2025: 156 modpacksJun 2025: 154 modpacksJul 2025: 158 modpacksAug 2025: 158 modpacksSep 2025: 142 modpacksOct 2025: 171 modpacksNov 2025: 163 modpacksDec 2025: 141 modpacksJan 2026: 149 modpacksFeb 2026: 149 modpacksMar 2026: 139 modpacksApr 2026: 125 modpacksMay 2026: 155 modpacksJun 2026: 142 modpacksJul 2026: 169 modpacksAug 2026: 164 modpacksSep 2026: 128 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 2024148
    Nov 2024138
    Dec 2024120
    Jan 2025146
    Feb 2025137
    Mar 2025146
    Apr 2025141
    May 2025156
    Jun 2025154
    Jul 2025158
    Aug 2025158
    Sep 2025142
    Oct 2025171
    Nov 2025163
    Dec 2025141
    Jan 2026149
    Feb 2026149
    Mar 2026139
    Apr 2026125
    May 2026155
    Jun 2026142
    Jul 2026169
    Aug 2026164
    Sep 2026128

    2,760 modpacks include Chalk in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    DeceasedCraft - Urban Zombie Apocalypse9.8M downloadslast version with it 17 Jul 2026Valhelsia 33.6M downloadslast version with it 21 Mar 2022SteamPunk [LPS]3M downloadslast version with it 21 Sep 2024Valhelsia 61.9M downloadslast version with it 21 Apr 2025TerraFirmaGreg-Modern1.7M downloadslast version with it 21 Oct 2026Create+1.5M downloadslast version with it 27 Aug 2025M-Tech1.2M downloadslast version with it 9 Jan 2025Prominence™ Classic1.1M downloadslast version with it 12 Jul 2024Biohazard: Project Genesis - The Ultimate Apocalypse965K downloadslast version with it 13 Sep 2026Liminal Industries926K downloadslast version with it 30 Dec 2025
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    BlueprintAModin 64% of the modpacks with ChalkAttributeFixAModin 49% of the modpacks with ChalksparkAModin 49% of the modpacks with ChalkChat HeadsAModin 46% of the modpacks with ChalkServer Performance - Smooth Chunk SaveAModin 45% of the modpacks with ChalkChippedCModin 45% of the modpacks with ChalkYUNG's Better Nether FortressesAModin 45% of the modpacks with ChalkYUNG's Better Desert TemplesAModin 44% of the modpacks with ChalkYUNG's Better Ocean MonumentsAModin 44% of the modpacks with ChalkConnectivityAModin 43% of the modpacks with Chalk
    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·Fabric2.0.22.0.2 · chalk-fabric-1.21.1-2.0.2.jarSends: Nothing about youRequires:Fabric API, Forge Config API PortFabric API, Forge Config API PortPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·NeoForge2.0.22.0.2 · chalk-neoforge-1.21.1-2.0.2.jarSends: Nothing about youRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·NeoForge1.6.41.6.4 · chalk-1.20.1-1.6.4.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.6.71.6.7 · chalk-1.20.1-1.6.7.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.21·NeoForge1.6.121.6.12 · chalk-1.6.12.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20·Forge1.6.21.6.2 · chalk-1.20.1-1.6.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·NeoForge1.6.21.6.2 · chalk-1.19.2-1.6.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·Forge1.6.41.6.4 · chalk-1.19.2-1.6.4.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19 to 1.19.1·Forge1.0.21.0.2 · chalk-1.19-1.0.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Forge1.4.21.4.2 · chalk-1.18.2-1.4.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 1412

    50 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge2.0.22.0.2 · chalk-neoforge-1.21.1-2.0.2.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 741.1 KB
    1.21.1The latest file for its Minecraft version and loader·Fabric2.0.22.0.2 · chalk-fabric-1.21.1-2.0.2.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 536.8 KB
    1.21.1·NeoForge2.0.12.0.1 · chalk-neoforge-1.21.1-2.0.1.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 745.2 KB
    1.21.1·Fabric2.0.12.0.1 · chalk-fabric-1.21.1-2.0.1.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 540.9 KB
    1.21.1·Fabric2.0.02.0.0 · chalk-fabric-1.21.1-2.0.0.jar (main file)·24 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 502.2 KB
    1.21.1·NeoForge2.0.02.0.0 · chalk-neoforge-1.21.1-2.0.0.jar (main file)·24 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 702.6 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·NeoForge1.6.121.6.12 · chalk-1.6.12.jar (main file)·3 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 331.0 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.6.111.6.11 · chalk-1.6.11.jar (main file)·23 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 329.1 KB
    1.19.2The latest file for its Minecraft version and loader·Forge1.6.41.6.4 · chalk-1.19.2-1.6.4.jar (main file)·23 Dec 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 312.1 KB
    1.20.1The latest file for its Minecraft version and loader·Forge1.6.71.6.7 · chalk-1.20.1-1.6.7.jar (main file)·23 Dec 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 314.8 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.6.101.6.10 · chalk-1.6.10.jar (main file)·17 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 326.6 KB
    1.20.1·Forge1.6.61.6.6 · chalk-1.20.1-1.6.6.jar (main file)·17 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 313.3 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.6.91.6.9 · chalk-1.6.9.jar (main file)·10 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 327.5 KB
    1.20.1·Forge1.6.51.6.5 · chalk-1.20.1-1.6.5.jar (main file)·10 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 313.9 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.6.81.6.8 · chalk-1.6.8.jar (main file)·15 Sep 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 326.9 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.6.71.6.7 · chalk-1.6.7.jar (main file)·4 Aug 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 327.1 KB
    1.21·NeoForge1.6.61.6.6 · chalk-1.6.6.jar (main file)·28 Jul 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 329.7 KB
    1.21·NeoForge1.6.51.6.5 · chalk-1.6.5.jar (main file)·28 Jul 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 329.1 KB
    1.20.1The latest file for its Minecraft version and loader·Forge1.6.41.6.4 · chalk-1.20.1-1.6.4.jar (main file)·19 Apr 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 309.7 KB
    1.20.1·Forge1.6.31.6.3 · chalk-1.20.1-1.6.3.jar (main file)·31 Oct 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 311.8 KB
    1 to 20 of 50123