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    2,054,198 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 2026.269,438 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.

    SLM: Shader

    Mod

    Adds screen effects like color overlays, impact flashes, and blur.

    B82/ 100
    • OverviewB
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 198
    • ReleasesLatest 16 Oct

    Download

    SLM-Shaders-3.0.1-1.21.1+[NeoForge]-api.jar

    Released 16 Oct 2026 · 577.3 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • SL LibraryBMinecraft 1.21.1 · NeoForge (release 1.7.1)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade B

    How grades work

    Strengths

    • Security checks passed
    • Stable releases
    • Widely used

    Points lost

    • No source code link−7 points
    • First release only 7 months ago−4 points
    • Releases in only 6 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.9 days ago (16 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.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 6 of the last 24 months 5 / 6

    • Stability

      Full points22 / 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.10 of the 148 modpacks with two or more versions removed it in a later one (7%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.2 of its 20 releases in 2 years needed a quick fix (10%) 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

      7 points lost0 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.No link on the project page 0 / 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.634,333 4 / 4

    • Track record

      4 points lost4 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.7 months, 33 releases 4 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in both latest files for recent Minecraft versions. See Security
    Total82 / 100

    55.5 of the 68 points that apply = 82 out of 100. The points above are rounded to whole numbers.

    About

    SLM: Shader is a library for creating and triggering real-time screen effects, with support for local effects, server-driven events, and synchronization across players. Its effects include color and noise overlays, impact frames, and radial blur for in-and-out transitions; effects can be combined and run in sequences through a modular shader pipeline. The library supports graceful cancellation to avoid abrupt visual cuts, and includes a raycast system, commands for triggering shaders, and helper utilities for screen-based rendering. It also provides shader items, which render shaders over item layers or apply fragment shaders to generated geometry, and shader particles that load GLSL shaders as particles using reusable base types and billboard-based rendering.

    Written from CurseForge . How we write it

    In-game changes

    Does not change the game's code directly.

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

    Often used with it

    See all 29
    L_Ender's CataclysmBSimply SwordsAIron's Spells 'n SpellbooksAWeapons of miraclesBEpicFight-NightfallB

    Details

    Creator
    Sleys
    License
    Not known
    Downloads
    634K
    Created
    3 Apr 2026
    Official page
    CurseForge

    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 · Both 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.
      2 latest files: the newest file for each Minecraft version and loader. Both are 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 · Both 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 both 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 and images 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 · 4 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.
    • 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
      36 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
      6 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
      200 code files read

    Compatibility

    See all 33 files
    NeoForge
    Forge
    1.201.2126.126.3

    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.
    SL LibraryB
    OptionalProjects it can work with but does not need. The author lists them.
    Iris ShadersAOculusC
    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 SLM: Shader to work.

    ProjectTypeDownloadsGrade
    Epic Fight | Simply Swords EpicFied 2BMod1.3M downloadsEpic Fight - EDP (Extended Datapacks)AMod928K downloadsSpire of Echoes (Unofficial DLC for NightfallCraft - The Casket of Reveries)CMod2.2K downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    60300
    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: 0 modpacksApr 2026: 25 modpacksMay 2026: 37 modpacksJun 2026: 32 modpacksJul 2026: 57 modpacksAug 2026: 57 modpacksSep 2026: 41 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20240
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    Dec 20240
    Jan 20250
    Feb 20250
    Mar 20250
    Apr 20250
    May 20250
    Jun 20250
    Jul 20250
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    Jan 20260
    Feb 20260
    Mar 20260
    Apr 202625
    May 202637
    Jun 202632
    Jul 202657
    Aug 202657
    Sep 202641

    More modpacks put it in their new versions than a year ago: 42 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..

    198 modpacks include SLM: Shader in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Soulrend - Dark Fantasy RPG Soulslike1.1M downloadslast version with it 21 Oct 2026Mystic Horizons​506K downloadslast version with it 19 Oct 2026BETTER FANTASY - Overture203K downloadslast version with it 26 Jul 2026Rhinocraft62K downloadslast version with it 3 Oct 2026Medieval Europe Adventures42K downloadslast version with it 17 Oct 2026Lees Fantasy - Chronicles of the Mimic34K downloadslast version with it 13 Sep 2026Neuroshroud: The Abandoned17K downloadslast version with it 1 Jun 2026SULS - So U Like Soulslikes11K downloadslast version with it 27 May 2026ISEKAICRAFT RPG7.7K downloadslast version with it 17 Jul 2026Terramity+5.9K downloadslast version with it 11 Oct 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    L_Ender's CataclysmBModin 86% of the modpacks with SLM: ShaderSimply SwordsAModin 83% of the modpacks with SLM: ShaderIron's Spells 'n SpellbooksAModin 82% of the modpacks with SLM: ShaderWeapons of miraclesBModin 72% of the modpacks with SLM: ShaderEpicFight-NightfallBModin 67% of the modpacks with SLM: ShaderMowzie's MobsBModin 67% of the modpacks with SLM: ShaderEpicFight : ResurrectionCModin 65% of the modpacks with SLM: ShaderAttributeFixAModin 61% of the modpacks with SLM: ShaderApotheosisAModin 55% of the modpacks with SLM: ShaderWhen Dungeons AriseAModin 55% of the modpacks with SLM: Shader
    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
    1.21.1·NeoForge3.0.1-api3.0.1-api · SLM-Shaders-3.0.1-1.21.1+[NeoForge]-api.jarSends: None foundRequires:SL LibraryPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge3.0.13.0.1 · SLM-Shaders-3.0.1-1.20.1+[Forge].jarSends: None foundRequires:SL LibraryPassedOur checks found nothing harmful in this file. Its code was read too.

    33 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge3.0.1-api3.0.1-api · SLM-Shaders-3.0.1-1.21.1+[NeoForge]-api.jar·16 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 577.3 KB
    1.20.1The latest file for its Minecraft version and loader·Forge3.0.13.0.1 · SLM-Shaders-3.0.1-1.20.1+[Forge].jar·16 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 620.0 KB
    1.20.1·Forge3.03.0 · SLM-Shaders-3.0-1.20.1+[Forge].jar·10 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 620.0 KB
    1.21.1·NeoForge3.03.0 · SLM-Shaders-3.0-1.21.1+[NeoForge].jar·10 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 577.3 KB
    1.21.1·NeoForge2.2.22.2.2 · SLM-Shaders-2.2.2-1.21.1+[NeoForge].jar·20 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 416.1 KB
    1.20.1·Forge2.2.22.2.2 · SLM-Shaders-2.2.2-1.20.1+[Forge].jar·20 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 441.1 KB
    1.20.1·Forge2.2.12.2.1 · SLM-Shaders-2.2.1-1.20.1+[Forge].jar·19 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 441.1 KB
    1.21.1·NeoForge2.2.12.2.1 · SLM-Shaders-2.2.1-1.21.1+[NeoForge].jar·19 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 416.1 KB
    1.21.1·NeoForge2.22.2 · SLM-Shaders-2.2-1.21.1+[NeoForge].jar·17 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 421.7 KB
    1.20.1·Forge2.1.92.1.9 · SLM-Shaders-2.1.9-1.20.1+[Forge].jar·17 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 446.8 KB
    1.21.1·NeoForge2.12.1 · SLM-Shaders-2.1-1.21.1+[NeoForge].jar·10 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 298.8 KB
    1.20.1·Forge2.12.1 · SLM-Shaders-2.1-1.20.1+[Forge].jar·10 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 302.4 KB
    1.20.1·Forge2.0.12.0.1 · SLM-Shaders-2.0.1-1.20.1+[Forge].jar·26 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 248.8 KB
    1.21.1·NeoForge2.0.12.0.1 · SLM-Shaders-2.0.1-1.21.1+[NeoForge].jar·24 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 245.5 KB
    1.21.1·NeoForge2.02.0 · SLM-Shaders-2.0-1.21.1+[NeoForge].jar·22 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 243.9 KB
    1.20.1·Forge1.5.11.5.1 · SLM-Shaders-1.5.1-1.20.1+[Forge].jar·27 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 241.4 KB
    1.21.1·NeoForge1.5.11.5.1 · SLM-Shaders-1.5.1-1.21.1+[NeoForge].jar·27 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 220.0 KB
    1.21.1·NeoForge1.51.5 · SLM-Shaders-1.5-1.21.1+[NeoForge].jar·25 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 217.2 KB
    1.20.1·Forge1.51.5 · SLM-Shaders-1.5-1.20.1+[Forge].jar·25 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 238.4 KB
    1.20.1·Forge1.4.21.4.2 · SLM-Shaders-1.4.2-1.20.1+[Forge].jar·24 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 245.9 KB
    1 to 20 of 3312

    Quick fixes

    In the last 2 years, 2 releases needed a quick fix: a new release within 3 days to fix a problem. This counts in the grade, but it is too few to lose points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.2

    • SLM-Shaders-2.2.2-1.20.1+[Forge].jar20 Aug 2026Fix Color Wave Distortion command bug
    • SLM-Shaders-1.5.1-1.21.1+[NeoForge].jar27 Jun 2026…the output of effects not noticeable has been fixed; now you can decide how to terminate a shader based on…