ModpacksJava
Crystal Client
Java modpack listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
✦ Crystal Client
A Fabric 1.21.1 modpack.
Features
- FPS Counter — color-coded (green ≥60, yellow ≥30, red <30)
- CPS Counter — left & right clicks, configurable time window
- Ping Display — color-coded latency
- Armor Status — all 4 slots with durability color-coding
- Server TPS — DOES NOT WORK YET -- BETA
- Layout Editor (F7) — drag any element, scroll to scale it
- Config Screen (Right Shift) - toggle modules you want.
Keybinds
| Key | Action |
|---|---|
| Right Shift | Open config screen |
| F6 | Toggle HUD on/off |
| F7 | Open layout editor |
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- 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 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.
File checked by MCModsHub
- Downloads as Crystal Client.mrpack
- Download size: 82.4 MB
- Download link checked 3 Nov 2026 — working
These come from our own check of the pack file, not from the source page.