ModsJava
MemoryCatcher
Java mod listed for Minecraft 1.20–1.21. 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.
MemoryCatcher
A modern Minecraft Forge mod for JVM memory monitoring and mod-level memory tracking.
Features
Real-time Memory Monitoring
- HUD Overlay: Display heap memory usage, GC statistics, and top memory-consuming mods in real-time
- Memory Bar: Visual progress bar showing memory usage percentage with color-coded warnings
- Configurable Position: HUD can be positioned at any corner of the screen
Memory Analysis Dashboard
- Overview Tab: Heap memory summary, GC statistics, and analysis status
- Mods Tab: List of all tracked mods with multi-dimensional memory data
- History Tab: Memory usage graph with peak/average statistics
Four-Dimensional Memory Analysis
- Registry Estimate: Memory estimation based on registered game objects
- Shallow Heap: Direct memory usage via JMX class histogram analysis
- Metaspace Estimate: Estimated metaspace usage from class file analysis
- Retained Heap: Retained memory calculation via heap dump analysis
GC Statistics
- Per-collector GC statistics (G1, Parallel, Serial, ZGC, Shenandoah)
- Collection count and time tracking
- Delta statistics for monitoring GC pressure
Modern UI Design
- Dark/Light theme support
- Smooth animations and hover effects
- Card-style panel layout
- Responsive design with dynamic positioning
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.1, 1.20.1
- 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 CurseForge — 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 MemoryCatcher-1.20.1-forge-1.0.6.jar — drop this file into the mods folder
- Download size: 126 KB
- Download link checked 3 Oct 2026 — working
These come from our own check of the pack file, not from the source page.