FerriteCore
by malte0811
A memory optimization mod that reduces RAM usage by optimizing block state storage and other internal data structures.
PerformanceDownload FerriteCore
FerriteCore 9.0.0-fabric sits on our own server, the build malte0811 released on 2026-03-24, 0.1 MB. Malte0811 stays the author of FerriteCore, the file is only hosted here. Malte0811 publishes FerriteCore under MIT, and that is why this copy may be here. Nothing is repacked, this FerriteCore jar is malte0811's own build.
Download ferritecore-9.0.0-fabric.jarFor fabric on Minecraft 26.1, 26.1.1, 26.1.2 and 26.2. SHA1 eac76ff0f3753422c61b2c44487d0d195d88d4bc is the checksum of this FerriteCore file. 2026-03-24 is the date malte0811 put this FerriteCore build out. 0.1 MB after download, no unpacking for FerriteCore.
Overview
A memory optimization mod that reduces RAM usage by optimizing block state storage and other internal data structures. FerriteCore lists lower ram usage in modpacks among its features. 1 pack and 4 loaders carry FerriteCore. It rates beginner to pick up. It brings reduced memory footprint.
It deduplicates blockstate and model data in memory, cutting RAM usage substantially in big packs with essentially no downside. FerriteCore counts 5 features across 32 versions. It reaches 26.2. It covers 32 game versions. It needs no companion mod.
FerriteCore 9.0.0-fabric is downloadable here, 0.1 MB. It includes compatible with all mods. 12 other Performance mods sit beside FerriteCore. It ships under MIT. 1 pack here ships FerriteCore.
malte0811 tags FerriteCore as memory, ram and optimization. It shares Performance with 12 others. It lists lower ram usage in modpacks too. 32 builds carry the FerriteCore name. The FerriteCore code is open to read.
FerriteCore keeps pace with the game as malte0811 publishes it. It spans 1.16.5 to 26.2. ImmediatelyFast sits next to FerriteCore under Performance here. It includes lower ram usage in modpacks. 1.16.5 is the oldest game version this FerriteCore list reaches back to.
Mod Loaders
FerriteCore ships a separate build for each of Forge, Fabric, NeoForge and Quilt. It needs one loader, FerriteCore ignores the other. It lists lower ram usage in modpacks among its features. 1 pack and 4 loaders carry FerriteCore.
Minecraft Versions
32 game versions carry FerriteCore, 1.16.5 at the oldest and 26.2 at the newest. A FerriteCore jar built for another version will not load FerriteCore. It spans 1.16.5 to 26.2. It reaches further than 116 mods here.
26.1.1, 26.1.2 and 26.2 are the newest game versions with a FerriteCore build. Your launcher version and the FerriteCore jar version have to match. Each number exists per loader, so 128 FerriteCore combinations in all. 1.16.5 and 1.17 are the oldest FerriteCore builds, below 1.16.5 there is none.
FerriteCore compared
FerriteCore is weighed against one other mod here. Each comparison puts the loaders, the game versions and what they need beside each other, without picking a winner.
Release history
malte0811 has published 71 FerriteCore builds, the first on 2021-06-20 and the newest on 2026-03-24. The date says when FerriteCore last moved, not how long it will keep working. It shares Performance with 12 others. Each FerriteCore build targets its own game version and loader.
| Build | Published | For | Downloads |
|---|---|---|---|
| 9.0.0-fabric | 2026-03-24 | Fabric · 26.1, 26.1.1, 26.1.2, 26.2 | 9M · 0.1 MB |
| 9.0.0-neoforge | 2026-03-24 | NeoForge · 26.1, 26.1.1, 26.1.2, 26.2 | 204K · 0.1 MB |
| 8.2.0-fabric | 2026-01-25 | Fabric · 1.21.11 | 10M · 0.1 MB |
| 8.2.0-neoforge | 2026-01-25 | NeoForge · 1.21.11 | 139K · 0.1 MB |
| 8.1.0-fabric | 2026-01-25 | Fabric · 1.21.9, 1.21.10 | 1M · 0.1 MB |
| 8.1.0-neoforge | 2026-01-25 | NeoForge · 1.21.9, 1.21.10 | 18K · 0.1 MB |
| 8.0.4-fabric | 2026-01-25 | Fabric · 1.21.5, 1.21.6, 1.21.7, 1.21.8 | 807K · 0.1 MB |
| 8.0.4-neoforge | 2026-01-25 | NeoForge · 1.21.5, 1.21.6, 1.21.7, 1.21.8 | 31K · 0.1 MB |
2026: 12 builds · 2025: 8 builds · 2024: 15 builds · 2023: 9 builds · 2022: 17 builds · 2021: 10 builds
Key Features
FerriteCore brings a focused set of features to the table. Highlights include reduced memory footprint, plus optimized blockstate maps, with the full list below.
- Reduced memory footprint
- Optimized blockstate maps
- Lower RAM usage in modpacks
- No gameplay impact
- Compatible with all mods
Tags
How to install FerriteCore
FerriteCore takes one of Forge, Fabric, NeoForge and Quilt. It lists reduced memory footprint among its features. 1.16.5 to 26.2 is the FerriteCore range. Nothing else goes in with FerriteCore.
- 1Install Forge for the Minecraft version you want FerriteCore on. It brings optimized blockstate maps. It lists 32 of them, 1.16.5 to 26.2. Forge, Fabric, NeoForge and Quilt each work for FerriteCore, one at a time.
- 2Nothing has to go in before FerriteCore. Malte0811 lists no library under FerriteCore. No library is listed under FerriteCore. The FerriteCore page names its own requirements.
- 3Drop ferritecore-9.0.0-fabric.jar into the mods folder. 0.1 MB is the whole FerriteCore file. The server needs that same FerriteCore file. A pack with FerriteCore already has that file in place.
- 4Start the game and look for FerriteCore in the mods list. It has to be on the server too before it counts. It loads on its own once the version matches. No FerriteCore entry means the loader or the version is off.
FerriteCore runs on 32 game versions, 1.16.5 to 26.2. It lists 32 game versions. 1.16.5 is as far back as FerriteCore goes. Each FerriteCore jar is built per version.
See our full mod install guideCompatibility & alternatives
Forge, Fabric, NeoForge and Quilt run FerriteCore today. It includes optimized blockstate maps. 15,916 watchers follow FerriteCore today. It belongs on both sides. 32 versions carry FerriteCore.
lithium and sodium sit well next to FerriteCore. It spans 1.16.5 to 26.2. It competes in Performance. Sodium and Lithium share the shelf with FerriteCore. Memory Leak Fix and ModernFix cover ground FerriteCore also covers.
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