Prism Launcher Technical Glossary
Clear definitions of Minecraft modding and launcher terms: `.mrpack`, Fabric vs NeoForge, JVM heap flags, G1GC/ZGC, and Exit Code 1.
.mrpack (Modrinth Modpack Archive)
Glossarywhat is mrpack modrinth formatprism launcher mrpack modrinth format.mrpack (modrinth modpack archive)
Open modpack package format containing a `modrinth.index.json` manifest and `overrides/` config folder.
- Term
- .mrpack (Modrinth Modpack Archive)
- In Short
- Open modpack package format containing a `modrinth.index.json` manifest and `overrides/` config folder.
- Applies To
- Prism Launcher on Windows 10 & 11
Definition: .mrpack (Modrinth Modpack Archive)
Open modpack package format containing a `modrinth.index.json` manifest and `overrides/` config folder.
When you drop a `.mrpack` file onto Prism Launcher, it reads the JSON manifest, verifies SHA-512 hashes, and downloads every required mod and config automatically.
How Prism Launcher handles this on Windows
Every instance in Prism Launcher exposes its version stack, mod list, resource packs, shader packs, and JVM settings in one clean Edit Instance window.
Grab the latest Windows installer or portable ZIP from /download to manage all your Minecraft versions in one place.
Frequently asked questions
What does .mrpack (Modrinth Modpack Archive) mean in Prism Launcher?
Open modpack package format containing a `modrinth.index.json` manifest and `overrides/` config folder. When you drop a `.mrpack` file onto Prism Launcher, it reads the JSON manifest, verifies SHA-512 hashes, and downloads every required mod and config automatically.
Where can I configure this inside the launcher?
Right-click any instance on the Prism Launcher dashboard and select **Edit** (or open global **Settings** on the top toolbar).
Get Prism Launcher
Windows, macOS & Linux
Free and open source. Sign in with the Microsoft account that owns Minecraft, then create your first instance.
