[✨] Glassy is a modpack designed as an alternative to OptiFine. It includes most of OptiFine's features: built-in shader support, significant improvements in rendering and logic performance, extra features for resource packs to utilize, a zoom feature and much more.
[💎] The pack also includes a number of additional features. Want to add your own mods that aren't included in Glassy? You can easily do so after installation.
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Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.10
- 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.
Verified by MCModsHub
- Downloads as Glassy 1.0.mrpack
- Download size: 8.0 MB
- Download link checked 21 Aug 2026 — working
These come from our own check of the pack file, not from the source page.