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    2,054,849 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 2026.269,417 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.

    Async Logger

    Mod

    Handles log messages in the background to reduce slowdowns.

    B87/ 100
    • OverviewB
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.3
    • ModpacksIn 518
    • ReleasesLatest 14 Oct

    Download

    asynclogger-2.2.3+26.1.2-fabric.jar

    Released 14 Oct 2026 · 570.7 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade B

    How grades work

    Strengths

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

    Points lost

    • Releases replaced within 3 days to fix a problem−5 points
    • First release only 7 months ago−3 points
    • Releases in only 7 of the last 24 months−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.10 days ago (14 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, 26.2 on Quilt, 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 7 of the last 24 months 5 / 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.9 of the 346 modpacks with two or more versions removed it in a later one (3%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.5 of its 15 releases in 2 years needed a quick fix (33%) See the 5 releases2 / 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 · decce6/AsyncLogger 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · decce6/AsyncLogger 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.4,207,535 4 / 4

    • Track record

      3 points lost5 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.7 months, 140 releases 5 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 11 latest files for recent Minecraft versions. See Security
    Total87 / 100

    61.6 of the 71 points that apply = 87 out of 100. The points above are rounded to whole numbers.

    About

    Async Logger moves Minecraft logging operations, including I/O, onto asynchronous loggers to keep logging work off the logging thread, particularly when many messages are produced or debug logging is enabled. Optional filters can match logger names, log levels, and message text using substrings or regular expressions, and run on the asynchronous logging thread without adding filtering work for the caller. The mod can redirect System.out and System.err to loggers, optionally apply filters to those streams, and expose some Log4j2 settings through its configuration. Its configuration also offers an option to disable debug logging on Forge and NeoForge.

    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 no new blocks, items or other content.

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

    Often used with it

    See all 30
    BadOptimizationsAIxerisALithiumAParticle CoreAFast NoiseA

    Details

    Creator
    decce6
    License
    GNU Lesser General Public License v3.0 only
    Downloads
    4.2M
    Created
    21 Mar 2026
    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. Found in the mod's own code and in code libraries built into it. See Privacy
    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. 2 files 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 20 latest files checked, last on 17 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.
      20 latest files: the newest file for each Minecraft version and loader. The answer above is about the 11 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

    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 11 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 11 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, 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 · 6 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
      14 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
      374 code files read

    Compatibility

    See all 140 files
    Fabric
    NeoForge
    Forge
    Quilt
    1.121.151.171.2026.1

    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.Works in your game or on a server. With both, you get extra features.
    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.Faster than most mods. On average, it gets a file 17 days after a new Minecraft version comes out. Measured on the last 3 Minecraft versions.

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    3001500
    Oct 2024: 0 modpacksNov 2024: 0 modpacksDec 2024: 0 modpacksJan 2025: 0 modpacksFeb 2025: 0 modpacksMar 2025: 0 modpacksApr 2025: 0 modpacksMay 2025: 0 modpacksJun 2025: 0 modpacksJul 2025: 0 modpacksAug 2025: 0 modpacksSep 2025: 0 modpacksOct 2025: 0 modpacksNov 2025: 0 modpacksDec 2025: 0 modpacksJan 2026: 0 modpacksFeb 2026: 0 modpacksMar 2026: 2 modpacksApr 2026: 23 modpacksMay 2026: 62 modpacksJun 2026: 93 modpacksJul 2026: 183 modpacksAug 2026: 209 modpacksSep 2026: 231 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20240
    Nov 20240
    Dec 20240
    Jan 20250
    Feb 20250
    Mar 20250
    Apr 20250
    May 20250
    Jun 20250
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    Jan 20260
    Feb 20260
    Mar 20262
    Apr 202623
    May 202662
    Jun 202693
    Jul 2026183
    Aug 2026209
    Sep 2026231

    More modpacks put it in their new versions than a year ago: 134 a month now, 0 a year agoThe average of the last 6 months, compared with the same 6 months a year before. We say it only when the change is large..

    518 modpacks include Async Logger in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Craftoria2.9M downloadslast version with it 13 Sep 2026SkyBlock Enhanced2.1M downloadslast version with it 23 Oct 2026Create+1.5M downloadslast version with it 15 Jun 2026OneClient1.3M downloadslast version with it 23 Oct 2026Linggango - [V6.5 IS OUT]1.3M downloadslast version with it 24 Oct 2026Soulrend - Dark Fantasy RPG Soulslike1.1M downloadslast version with it 21 Oct 2026Skyblocker Modpack - Hypixel Skyblock1.1M downloadslast version with it 19 Oct 2026OneClient (SkyBlock)1M downloadslast version with it 23 Oct 2026Keo Optimized852K downloadslast version with it 2 Oct 2026Re-Console712K downloadslast version with it 12 Oct 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    BadOptimizationsAModin 85% of the modpacks with Async LoggerIxerisAModin 80% of the modpacks with Async LoggerLithiumAModin 76% of the modpacks with Async LoggerParticle CoreAModin 68% of the modpacks with Async LoggerFast NoiseAModin 63% of the modpacks with Async LoggerGnetumAModin 60% of the modpacks with Async LoggerFerriteCoreAModin 60% of the modpacks with Async LoggerDynamic FPSAModin 59% of the modpacks with Async LoggerReese's Sodium OptionsAModin 58% of the modpacks with Async LoggerStructure Layout OptimizerAModin 57% of the modpacks with Async Logger
    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
    26.1 to 26.3·Fabric2.2.32.2.3 · asynclogger-2.2.3+26.1.2-fabric.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·NeoForge2.2.32.2.3 · asynclogger-2.2.3+26.3-neoforge.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.2·NeoForge2.2.32.2.3 · asynclogger-2.2.3+26.1.2-neoforge.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.2·Quilt2.2.12.2.1 · asynclogger-2.2.1+26.1.2-fabric.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.8 to 1.21.11·Fabric2.2.32.2.3 · asynclogger-2.2.3+1.21.11-fabric.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.10 to 1.21.11·NeoForge2.2.32.2.3 · asynclogger-2.2.3+1.21.11-neoforge.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.8 to 1.21.11·Quilt2.2.12.2.1 · asynclogger-2.2.1+1.21.11-fabric.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21 to 1.21.8·NeoForge2.2.32.2.3 · asynclogger-2.2.3+1.21.1-neoforge.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2 to 1.21.4·Fabric2.2.32.2.3 · asynclogger-2.2.3+1.20.1-fabric.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2 to 1.21.4·Quilt2.2.12.2.1 · asynclogger-2.2.1+1.20.1-fabric.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 2012

    140 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.3The latest file for its Minecraft version and loader·NeoForge2.2.32.2.3 · asynclogger-2.2.3+26.3-neoforge.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 572.3 KB
    26.1 to 26.226.1 to 26.2The latest file for its Minecraft version and loader·NeoForge2.2.32.2.3 · asynclogger-2.2.3+26.1.2-neoforge.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 571.8 KB
    26.1 to 26.326.1 to 26.3The latest file for its Minecraft version and loader·Fabric2.2.32.2.3 · asynclogger-2.2.3+26.1.2-fabric.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 570.7 KB
    1.21.10 to 1.21.111.21.10 to 1.21.11The latest file for its Minecraft version and loader·NeoForge2.2.32.2.3 · asynclogger-2.2.3+1.21.11-neoforge.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 571.8 KB
    1.21.8 to 1.21.111.21.8 to 1.21.11The latest file for its Minecraft version and loader·Fabric2.2.32.2.3 · asynclogger-2.2.3+1.21.11-fabric.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 582.2 KB
    1.21 to 1.21.81.21 to 1.21.8The latest file for its Minecraft version and loader·NeoForge2.2.32.2.3 · asynclogger-2.2.3+1.21.1-neoforge.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 575.8 KB
    1.20.1The latest file for its Minecraft version and loader·Forge2.2.32.2.3 · asynclogger-2.2.3+1.20.1-forge.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.2 MB
    1.18.2 to 1.21.41.18.2 to 1.21.4The latest file for its Minecraft version and loader·Fabric2.2.32.2.3 · asynclogger-2.2.3+1.20.1-fabric.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 582.5 KB
    1.19.2The latest file for its Minecraft version and loader·Forge2.2.32.2.3 · asynclogger-2.2.3+1.19.2-forge.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.2 MB
    1.18.2The latest file for its Minecraft version and loader·Forge2.2.32.2.3 · asynclogger-2.2.3+1.18.2-forge.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.2 MB
    1.16.5The latest file for its Minecraft version and loader·Forge2.2.32.2.3 · asynclogger-2.2.3+1.16.5-forge.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.3 MB
    1.16.5The latest file for its Minecraft version and loader·Fabric2.2.32.2.3 · asynclogger-2.2.3+1.16.5-fabric.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 582.5 KB
    1.12.2The latest file for its Minecraft version and loader·Forge2.2.32.2.3 · asynclogger-2.2.3+1.12.2-forge.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 563.4 KB
    1.0 to 1.14.41.0 to 1.14.4The latest file for its Minecraft version and loader·Loader not stated2.2.3-ornithe2.2.3-ornithe · asynclogger-2.2.3+1.8.9-ornithe.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 581.4 KB
    26.1 to 26.326.1 to 26.3·NeoForge2.2.22.2.2 · asynclogger-2.2.2+26.1.2-neoforge.jar (main file)·12 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 571.5 KB
    26.1 to 26.326.1 to 26.3·Fabric2.2.22.2.2 · asynclogger-2.2.2+26.1.2-fabric.jar (main file)·12 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 570.5 KB
    1.21.10 to 1.21.111.21.10 to 1.21.11·NeoForge2.2.22.2.2 · asynclogger-2.2.2+1.21.11-neoforge.jar (main file)·12 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 571.5 KB
    1.21.8 to 1.21.111.21.8 to 1.21.11·Fabric2.2.22.2.2 · asynclogger-2.2.2+1.21.11-fabric.jar (main file)·12 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 581.9 KB
    1.21 to 1.21.81.21 to 1.21.8·NeoForge2.2.22.2.2 · asynclogger-2.2.2+1.21.1-neoforge.jar (main file)·12 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 575.6 KB
    1.20.1·Forge2.2.22.2.2 · asynclogger-2.2.2+1.20.1-forge.jar (main file)·12 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.2 MB
    1 to 20 of 14012345…7

    Quick fixes

    In the last 2 years, 5 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 5 points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.5

    • Async Logger 2.1.2+1.18.2-forge2 Jul 2026…#13) Fixed the issue where log format may appear different than…
    • Async Logger 2.1.1+1.18.2-forge29 Jun 2026Fixed java.nio.file.FileSystemAlreadyExistsException…
    • Async Logger 2.1.0+1.18.2-forge28 Jun 2026Fixed mod not working on 1.21.1 NeoForge Improved…
    • Async Logger 2.0.1+1.18.2-forge27 Jun 2026Fixed java.nio.file.ProviderNotFoundException: Provider…
    • Async Logger 1.1.4+1.18.2-forge12 Jun 2026Fixed a crash at startup on 1.19.2 Forge.