
ModsJava
CB: Compressed Blocks
Java mod listed for Minecraft 26.x. Downloads from the MC Java Mods app on Android.
I don't know my version or loader
Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.
No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.







A Block and Item Compression mod for Minecraft. Compress your Blocks and Items to make more free space (up to 3.486.784.101 Blocks / Items in just one single Block!)
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 26.1, 26.1.1, 26.1.2
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as compressedblocks-fabric-3.1.0-26.3.jar — drop this file into the mods folder
- Download size: 17.1 MB
- Download link checked 7 Oct 2026 — working
These come from our own check of the pack file, not from the source page.