Minecraft Mod Compatibility Checker
Select your Minecraft version and mod loader to see the required Java version, which mod APIs are supported, and compatibility status for popular mods.
Java Version Required
Java 21
Loader Support
Supported
Mod API Available
Fabric API
Mod API Support
| API / Library | Forge | Fabric | NeoForge | Quilt |
|---|---|---|---|---|
| Forge API | ✓ | — | ✓ | — |
| Fabric API | — | ✓ | — | ✓ |
| NeoForge API | — | — | ✓ | — |
| Quilt Standard Libs | — | ~ | ~ | ✓ |
| Mixin | ✓ | ✓ | ✓ | ✓ |
| Access Widener | — | ✓ | — | ✓ |
| Access Transformer | ✓ | — | ✓ | — |
| Cloth Config | ✓ | ✓ | ✓ | ✓ |
| Architectury API | ✓ | ✓ | ✓ | ✓ |
Popular Mods — Fabric 1.21.1
Compatibility status for commonly used server and client mods with the selected combination.
JEI (Just Enough Items)
Recipe Viewer
CompatibleREI (Roughly Enough Items)
Recipe Viewer
CompatibleEMI
Recipe Viewer
CompatibleSodium
Performance
CompatibleIris Shaders
Visual
CompatibleEmbeddium (Forge Sodium)
Performance
Not AvailableOculus (Forge Iris)
Visual
Not AvailableLithium
Performance
CompatibleFerrite Core
Performance
CompatibleStarlight
Performance
Not AvailableChunky
World Gen
CompatibleXaero's Minimap
Utility
CompatibleXaero's World Map
Utility
CompatibleInventory Tweaks / InvSort
Inventory
Not AvailableCreate
Tech
Not AvailableCreate Fabric
Tech
Not AvailableTinkers' Construct
Combat/Tools
Not AvailablePam's HarvestCraft
Food
Not AvailableWaystones
Travel
CompatibleSupplementaries
Decoration
Not AvailableNote: Compatibility data reflects general loader support as of May 2026. Always check individual mod pages on Modrinth or CurseForge for the latest version support. NeoForge is Forge-compatible for 1.20.1+ mods in many cases but requires explicit NeoForge builds for 1.20.2+.