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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.

    Chunk Sending

    Mod

    Nearby chunks load first for smoother logins, travel, and respawns.

    B89/ 100
    • OverviewB
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.3
    • ModpacksIn 10,420
    • ReleasesLatest 13 Oct

    Download

    chunksending-fabric-26.3-4.1.1.jar

    Released 13 Oct 2026 · 26.2 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • CupboardNo file for Minecraft 26.3 · FabricA
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade B

    How grades work

    Strengths

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

    Points lost

    • Releases replaced within 3 days to fix a problem−3 points
    • Releases in only 5 of the last 24 months−2 points
    • Some modpacks removed it−2 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.11 days ago (13 Oct 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.26.3 (latest) on Fabric and NeoForge, 1.20.1 on Forge 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 5 of the last 24 months 4 / 6

    • Stability

      5 points lost17 / 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.64 of the 388 modpacks with two or more versions removed it in a later one (16%) See the 64 modpacks8 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.4 of its 18 releases in 2 years needed a quick fix (22%) See the 4 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.1 of 5 known conflicts counts in the grade See the 5 known conflicts5 / 5

    • Transparency

      Full points7 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · someaddons/chunksending 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.73,618,671 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.3.7 years, 59 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 8 latest files for recent Minecraft versions. See Security
    Total89 / 100

    60.7 of the 68 points that apply = 89 out of 100. The points above are rounded to whole numbers.

    About

    Chunk Sending smooths server logins, teleports, respawns, and dimension changes by prioritizing nearby chunks and spreading their delivery over time, which can reduce server and client load and network spikes. It lets server operators configure chunk-send limits per player and server-wide, optionally prioritize chunks in the direction a player is facing, and control item-frame map update rates. The mod also reuses packets for unchanged chunks sent to multiple players and staggers map updates to reduce server processing and network traffic.

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

    In-game changes

    Changes the game's code in 4 areas: Chunk loading and storageChanges 4 game code files in this area: how the game loads, tracks, saves and unloads chunks., Networking and multiplayerChanges 1 game code file in this area: connections, the server list and what is sent between your game and a server., Mobs and their behaviorChanges 1 game code file in this area: mobs, animals, villagers, projectiles and how they move and act. and PlayerChanges 1 game code file in this area: your character: movement, abilities, hunger and controls..

    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
    Server Performance - Smooth Chunk SaveAConnectivityAfix GPU memory leakAStructure EssentialsAAttributeFixA

    Details

    Creator
    someaddon
    License
    Not known
    Downloads
    73.6M
    Created
    26 Feb 2023
    Official page
    CurseForge
    Links
    Source code

    Security

    No harmful code found

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

    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 23 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.
      23 latest files: the newest file for each Minecraft version and loader. The answer above is about the 8 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, 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 8 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 8 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
      32 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
      1 image 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
      15 code files read

    Compatibility

    See all 59 files
    Fabric
    NeoForge
    Forge
    1.161.191.2126.1

    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.
    CupboardA
    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.Slower than most mods. On average, it gets a file 210 days after a new Minecraft version comes out. Measured on the last 6 Minecraft versions.

    Known conflicts

    These projects do not work together with Chunk Sending: their authors or Chunk Sending's author say so. If you install both, the game can crash or some features can stop working. Some of them do the same job as Chunk Sending, so you only need one.

    ProjectTypeDownloadsDeclared by
    Simple PipesMod265K downloadsdeclared by Simple PipesPipePlusMod62K downloadsdeclared by PipePlusLib MultipartMod49K downloadsdeclared by Lib MultipartLib Network StackMod46K downloadsdeclared by Lib Network StackPower NetworksMod17K downloadsdeclared by Power Networks

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    8004000
    Oct 2024: 557 modpacksNov 2024: 543 modpacksDec 2024: 561 modpacksJan 2025: 625 modpacksFeb 2025: 601 modpacksMar 2025: 588 modpacksApr 2025: 682 modpacksMay 2025: 686 modpacksJun 2025: 677 modpacksJul 2025: 663 modpacksAug 2025: 670 modpacksSep 2025: 646 modpacksOct 2025: 663 modpacksNov 2025: 691 modpacksDec 2025: 728 modpacksJan 2026: 674 modpacksFeb 2026: 606 modpacksMar 2026: 639 modpacksApr 2026: 691 modpacksMay 2026: 699 modpacksJun 2026: 645 modpacksJul 2026: 708 modpacksAug 2026: 659 modpacksSep 2026: 665 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 2024557
    Nov 2024543
    Dec 2024561
    Jan 2025625
    Feb 2025601
    Mar 2025588
    Apr 2025682
    May 2025686
    Jun 2025677
    Jul 2025663
    Aug 2025670
    Sep 2025646
    Oct 2025663
    Nov 2025691
    Dec 2025728
    Jan 2026674
    Feb 2026606
    Mar 2026639
    Apr 2026691
    May 2026699
    Jun 2026645
    Jul 2026708
    Aug 2026659
    Sep 2026665

    10,420 modpacks include Chunk Sending in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Better MC [FORGE] - BMC421.1M downloadslast version with it 9 Oct 2026DeceasedCraft - Urban Zombie Apocalypse9.8M downloadslast version with it 11 Dec 2023Cursed Walking - A Modern Zombie Apocalypse8.7M downloadslast version with it 22 Sep 2023Better MC [FABRIC] BMC17.9M downloadslast version with it 20 Nov 2023Better MC [FABRIC] - BMC25.9M downloadslast version with it 24 Jan 2026Better MC [FORGE] BMC15.8M downloadslast version with it 22 Jun 2025Cisco's Fantasy Medieval RPG [Ultimate]5.1M downloadslast version with it 1 Jun 2026Immersed With Shaders4.5M downloadslast version with it 30 Nov 2024Crazy Craft Updated4.5M downloadslast version with it 18 Oct 2026Medieval MC [FABRIC] MMC14.4M downloadslast version with it 21 Nov 2023
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Server Performance - Smooth Chunk SaveAModin 88% of the modpacks with Chunk SendingConnectivityAModin 78% of the modpacks with Chunk Sendingfix GPU memory leakAModin 71% of the modpacks with Chunk SendingStructure EssentialsAModin 63% of the modpacks with Chunk SendingAttributeFixAModin 60% of the modpacks with Chunk SendingBetter Fps - Render DistanceBModin 56% of the modpacks with Chunk SendingsparkAModin 55% of the modpacks with Chunk SendingAmendmentsAModin 52% of the modpacks with Chunk SendingFast Async World Save[Forge/Neo/Fabric]AModin 51% of the modpacks with Chunk SendingChippedCModin 50% of the modpacks with Chunk Sending
    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
    26.3·Fabric4.1.14.1.1 · chunksending-fabric-26.3-4.1.1.jarSends: None foundRequires:CupboardPassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·NeoForge4.14.1 · chunksending-26.3-4.1.jarSends: None foundRequires:CupboardPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.2·Fabric4.1.14.1.1 · chunksending-fabric-26.1-4.1.1.jarSends: None foundRequires:CupboardPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.2·NeoForge4.14.1 · chunksending-26.1-4.1.jarSends: None foundRequires:CupboardPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·Fabric1.21-4.11.21-4.1 · chunksending-fabric-1.21-4.1.jarSends: None foundRequires:CupboardPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·NeoForge1.21-4.11.21-4.1 · chunksending-1.21-4.1.jarSends: None foundRequires:CupboardPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Fabric4.14.1 · chunksending-fabric-1.20.1-4.1.jarSends: None foundRequires:CupboardPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·NeoForge, Forge4.14.1 · chunksending-1.20.1-4.1.jarSends: None foundRequires:CupboardPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.21·Fabric2.82.8 · chunksending-fabric-1.21-2.8.jarSends: None foundRequires:CupboardPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21·NeoForge2.82.8 · chunksending-1.21-2.8.jarSends: None foundRequires:CupboardPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 23123

    59 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.3The latest file for its Minecraft version and loader·Fabric4.1.14.1.1 · chunksending-fabric-26.3-4.1.1.jar·13 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 26.2 KB
    26.1 to 26.226.1 to 26.2The latest file for its Minecraft version and loader·Fabric4.1.14.1.1 · chunksending-fabric-26.1-4.1.1.jar·5 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 26.8 KB
    26.3·Fabric4.14.1 · chunksending-fabric-26.3-4.1.jar·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 26.2 KB
    26.1 to 26.226.1 to 26.2·Fabric4.14.1 · chunksending-fabric-26.1-4.1.jar·3 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 26.9 KB
    1.21.1The latest file for its Minecraft version and loader·Fabric1.21-4.11.21-4.1 · chunksending-fabric-1.21-4.1.jar·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 27.2 KB
    1.20.1The latest file for its Minecraft version and loader·Fabric4.14.1 · chunksending-fabric-1.20.1-4.1.jar·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 29.6 KB
    26.3The latest file for its Minecraft version and loader·NeoForge4.14.1 · chunksending-26.3-4.1.jar·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 26.6 KB
    26.1 to 26.226.1 to 26.2The latest file for its Minecraft version and loader·NeoForge4.14.1 · chunksending-26.1-4.1.jar·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 26.6 KB
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.21-4.11.21-4.1 · chunksending-1.21-4.1.jar·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 26.6 KB
    1.20.1The latest file for its Minecraft version and loader·Forge, NeoForge4.14.1 · chunksending-1.20.1-4.1.jar·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 29.4 KB
    26.3·NeoForge4.04.0 · chunksending-26.3-4.0.jar·17 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 25.7 KB
    26.3·Fabric3.93.9 · chunksending-fabric-26.3-3.9.jar·16 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 25.2 KB
    26.1 to 26.226.1 to 26.2·NeoForge4.04.0 · chunksending-26.1-4.0.jar·15 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 25.7 KB
    26.2·Fabric3.93.9 · chunksending-fabric-26.2-3.9.jar·29 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 25.3 KB
    26.1 to 26.1.226.1 to 26.1.2·Fabric3.93.9 · chunksending-fabric-26.1-3.9.jar·29 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 25.9 KB
    1.21.1·Fabric1.21-3.91.21-3.9 · chunksending-fabric-1.21-3.9.jar·28 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 26.3 KB
    1.20.1·Fabric3.93.9 · chunksending-fabric-1.20.1-3.9.jar·28 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 28.6 KB
    1.20.1·Forge, NeoForge3.93.9 · chunksending-1.20.1-3.9.jar·28 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 28.4 KB
    1.21.1·NeoForge1.21-3.91.21-3.9 · chunksending-1.21-3.9.jar·28 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 25.7 KB
    26.1 to 26.226.1 to 26.2·NeoForge3.93.9 · chunksending-26.1-3.9.jar·28 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 25.7 KB
    1 to 20 of 59123

    Quick fixes

    In the last 2 years, 4 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.4

    • chunksending-fabric-26.1-4.1.1.jar5 Oct 20264.1.1: Fix minecraft version requirement4.1.1: Fix minecraft…
    • chunksending-26.1-3.9.jar28 Aug 20263.9: Fix config not loading properly
    • chunksending-fabric-1.20.1-3.6.jar2 Aug 20263.4: Fix prioritizeDirection config not applying 3.5: Add chunk…
    • chunksending-fabric-1.20.1-3.2.jar31 Jul 20263.2: Fix dimension change skipping a chunk 3.1: Add shared…