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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.

    Compression

    Mod

    Allows you to compress any normal item or block.

    E27/ 100
    • OverviewE
    • SecurityPassed
    • PrivacyGoes online
    • AINone found
    • CompatibilityUp to 1.12.2
    • ModpacksIn 25
    • ReleasesLatest Jan 2019

    Download

    Compression-1.12.2-1.4.4.jar

    Released 24 Jan 2019 · 318.0 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade E

    How grades work

    Strengths

    • Security checks passed
    • Public source code

    Points lost

    • No release in 7.7 years−26 points
    • Newest file is for 1.12.2, older than the versions mods are made for now−9 points
    • Many modpacks removed it−9 points
    • Under 5 million downloads−1 point
    All 11 criteria
    • Maintenance

      27 points lost0 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.7.8 years ago (24 Jan 2019) 0 / 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.Newest supported: 1.12.2. About 9 years behind popular modding versions. Latest Minecraft: 26.3. Abandoned: no release for 7.7 years; no file for a popular modding version.0 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.No release in the last 24 months 0 / 6
    • Stability

      9 points lost6 / 15
      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.8 of the 22 modpacks with two or more versions removed it in a later one (36%) See the 8 modpacks1 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Not measured yet.
      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 · TheTemportalist/Compression 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

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.88,547 3 / 4
    • Track record

      8 points lost0 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.11.0 years, 43 releases 0 / 8
    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 5 latest files. See Security
    Total27 / 100

    16.2 of the 61 points that apply = 27 out of 100. The points above are rounded to whole numbers.

    Images

    • Compressed Stone
    • your inventory will have space in no time
    • the crafting is simple
    • you can compress many Blocks!

    About

    Compression lets you turn ordinary blocks such as cobblestone, grass, and stone, as well as non-data items such as apples, sticks, and diamonds, into large stacks that can be used much like blocks. Use the Compressor and Decompressor to make and break down these stacks; the process takes time, and its settings are configurable, making automation useful for handling large amounts. As some stacks grow large enough, they can attract matching items like magnets or act as black holes that suck them in, offering another way to manage storage.

    Written from CurseForge . How we write it

    In-game changes

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.7.10 to 1.12.2.

    Adds 1 item: Dense Leather Cap; 2 recipes.

    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
    Inventory Tweaks [1.12 only]-Pams HarvestCraftDEnder IOAExtra UtilitiesDChiselC

    Details

    Creators
    TheTemportalist and BIOCHEMIST
    License
    Not known
    Downloads
    89K
    Created
    6 Oct 2015
    Official page
    CurseForge
    Links
    Source code

    Security

    No harmful code found

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.7.10 to 1.12.2.

    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 1.12 to 1.12.2. See Privacy

    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 5 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.
      5 latest files: the newest file for each Minecraft version and loader. None is for a recent Minecraft version, so the answer above is about all of them. 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.
      Folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends about you

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.7.10 to 1.12.2.

    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 5 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 5 files, for Minecraft 1.7.10 to 1.12.2. See each file in Releases
    • Address built while the game runsThe code builds this address while the game runs: it is not written in the file.
      Purpose not known.

    AI

    No sign so far that AI was used to make it

    We looked for AI tools in its description, files and images and found none.

    We have not read its changelogs and code history yet.

    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.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Not read yet
    • 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 in the description
      Changelogs not read yet
    • 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
      28 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
      61 code files read

    Compatibility

    See all 43 files
    Forge
    1.71.101.151.1926.1

    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.
    Originin some filesE
    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.No file yet for any of the last 6 Minecraft versions.

    Modpacks using this project

    Find modpacks with it

    Modpacks that include Compression in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Portal Content115K downloadslast version with it 28 Feb 2019Extreme 1.9 Mega Pack9.3K downloadslast version with it 29 Aug 2016Chicken Sky Breeder7.7K downloadslast version with it 15 Jun 2020DexTek4K downloadslast version with it 19 Jun 2016Timey Wimey3.6K downloadslast version with it 4 Sep 2017Dimension C-138F3.5K downloadslast version with it 24 Oct 2018Uno Niner Four Mega Pack3.3K downloadslast version with it 27 Jun 2016Not Enough Mobs3.1K downloadslast version with it 26 Dec 2018Chicken Sky Breeder - Hatchery Edition2.8K downloadslast version with it 16 Jun 2020Atom Smasher2.8K downloadslast version with it 3 Mar 2018
    1 to 10 of 25123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Inventory Tweaks [1.12 only]-Modin 80% of the modpacks with CompressionPams HarvestCraftDModin 68% of the modpacks with CompressionEnder IOAModin 64% of the modpacks with CompressionExtra UtilitiesDModin 60% of the modpacks with CompressionChiselCModin 56% of the modpacks with CompressionMore OverlaysDModin 52% of the modpacks with CompressionWawla - What Are We Looking AtDModin 52% of the modpacks with CompressionBetterFpsCModin 52% of the modpacks with CompressionMorpheusDModin 52% of the modpacks with CompressionCooking for BlockheadsAModin 52% of the modpacks with Compression
    1 to 10 of 30123

    Latest files

    The newest file for each Minecraft version and loader. None is for a recent Minecraft version. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    Older Minecraft versions
    1.12.2·Not stated1.4.41.4.4 · Compression-1.12.2-1.4.4.jarSends: Nothing about youRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.12 to 1.12.1·Not stated1.3.11.3.1 · Compression-1.12.2-1.3.1.jarSends: Nothing about youRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.9.4·Not stated1.1.41.1.4 · Compression-1.9.4-1.1.4.jarSends: None foundRequires:OriginPassedOur checks found nothing harmful in this file. Its code was read too.
    1.9·Not stated1.0.2.741.0.2.74 · Compression-1.9-1.0.2.74.jarSends: None foundRequires:OriginPassedOur checks found nothing harmful in this file. Its code was read too.
    1.7.10·Not stated0.0.80.0.8 · Compression-1.7.10-0.0.8.jarSends: None foundRequires:OriginPassedOur checks found nothing harmful in this file. Its code was read too.

    43 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.12.2The latest file for its Minecraft version and loader·Forge1.4.41.4.4 · Compression-1.12.2-1.4.4.jar·24 Jan 2019PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 318.0 KB
    1.12.2·Forge1.4.31.4.3 · Compression-1.12.2-1.4.3.jar·21 Jan 2019PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 318.2 KB
    1.12.2·Forge1.4.21.4.2 · Compression-1.12.2-1.4.2.jar·28 Jul 2018PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 316.6 KB
    1.12.2·Forge1.4.11.4.1 · Compression-1.12.2-1.4.1.jar·28 Jul 2018PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 316.6 KB
    1.12.2·Forge1.4.01.4.0 · Compression-1.12.2-1.4.0.jar·26 Jul 2018PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 315.7 KB
    1.12 to 1.12.21.12 to 1.12.2The latest file for its Minecraft version and loader·Forge1.3.11.3.1 · Compression-1.12.2-1.3.1.jar·1 Nov 2017PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 287.5 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge1.3.01.3.0 · Compression-1.12.2-1.3.0.jar·1 Nov 2017PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 287.5 KB
    1.12.1·Forge1.2.31.2.3 · Compression-1.12.1-1.2.3.jar·26 Sep 2017PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 287.7 KB
    1.12.1·Forge1.2.21.2.2 · Compression-1.12.1-1.2.2.jar·26 Sep 2017PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 287.3 KB
    1.12.1·Forge1.2.11.2.1 · Compression-1.12.1-1.2.1.jar·25 Sep 2017PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 280.2 KB
    1.12.1·Forge1.2.01.2.0 · Compression-1.12.1-1.2.0.jar·24 Sep 2017PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 280.2 KB
    1.9.4The latest file for its Minecraft version and loader·Forge1.1.41.1.4 · Compression-1.9.4-1.1.4.jar·8 Jun 2016PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 377.7 KB
    1.9.4·Forge1.1.3.911.1.3.91 · Compression-1.9.4-1.1.3.91.jarBeta·6 Jun 2016PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 377.4 KB
    1.9.4·Forge1.1.3.901.1.3.90 · Compression-1.9.4-1.1.3.90.jarBeta·1 Jun 2016PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 377.7 KB
    1.9.4·Forge1.1.3.881.1.3.88 · Compression-1.9.4-1.1.3.88.jarBeta·28 May 2016PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Beta · 367.9 KB
    1.9.4·Forge1.1.31.1.3 · Compression-1.9.4-1.1.3.jar·26 May 2016PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 367.9 KB
    1.9.4·Forge1.1.21.1.2 · Compression-1.9.4-1.1.2.jar·26 May 2016PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 366.1 KB
    1.9.4·Forge1.1.11.1.1 · Compression-1.9.4-1.1.1.jar·20 May 2016PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 367.5 KB
    1.9.4·Forge1.1.01.1.0 · Compression-1.9.4-1.1.0.jar·20 May 2016PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 366.7 KB
    1.9The latest file for its Minecraft version and loader·Forge1.0.2.741.0.2.74 · Compression-1.9-1.0.2.74.jarBeta·25 Apr 2016PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Beta · 193.4 KB
    1 to 20 of 43123