Zircon
For Minecraft Players

One click. Exact mods.
Straight into the game.

The Zircon Launcher handles Java runtimes, Fabric/Forge/NeoForge mod loaders, and mod synchronization automatically. Plus 1-click migration from CurseForge & Prism, 4-player couch co-op, and LAN auto-discovery.

Download for Windows (.exe) Star on GitHub
Also on macOS (.dmg) & Linux (.AppImage) · Zero Telemetry · 100% Free & Open Source
Zircon Launcher Main Screen
Server Dashboard: Pick any server, view player counts, and hit PLAY for instant mod synchronization.
Universal Migration Importer
Universal Importer: 1-click import from CurseForge, Prism Launcher, Modrinth, and ATLauncher with zero data loss.
4-Player Couch Co-op Gamepad Setup
Couch Co-op: Connect up to 4 gamepads for split-screen Java edition on your living room monitor or TV.
Saved Skin Selector & 3D Studio
Saved Skin Selector: Select saved skins or upload custom PNGs with a rotating 3D viewport and Mojang cloud sync.
LAN Auto-Discovery
LAN Auto-Discovery: Discovers nearby Zircon games over local Wi-Fi with zero port forwarding, or join with 6-digit codes.
2048 and Discord Presence in Zircon
2048 & Discord: Play built-in 2048 while huge modpacks initialize; live rich presence broadcasts your modpack and server to friends.

Universal 1-Click Migration

Switching from CurseForge, Prism Launcher, Modrinth App, or ATLauncher? Zircon automatically detects your installed launcher profiles on disk. Select your instances and import them losslessly into isolated sandboxes in under 2 seconds.

  • Lossless Preservation: Keeps options.txt, keybindings, worlds, and custom textures.
  • 100% Local & Private: No external cloud conversion; runs entirely on your PC.
  • Instant Play: Automatically assigns optimal Java runtimes and memory flags.
Universal Migration Importer

4-Player Couch Co-op with Gamepads

Turn your PC or living room TV into a split-screen gaming console. Connect up to 4 gamepads (Xbox, PlayStation, or generic Bluetooth) and play Java edition side-by-side with your friends and family.

  • Native Gamepad Input: Smooth analog stick movement, triggers, and vibration support.
  • Automated Grid Arrangement: Clean 2-player or 4-player viewport window tiling.
  • Independent Profiles: Each quadrant loads its own character skin and inventory.
4-Player Couch Co-op

Saved Skin Selector & Community Library

Choose from your saved character skins or upload custom PNGs with a real-time rotating 3D viewport. Want fresh inspiration? Browse thousands of trending community skins fetched directly via API and apply them in one click.

  • Live 3D Viewport: Preview classic Steve and slim Alex geometries in 3D.
  • Community API Library: Search thousands of trending community skins live.
  • Mojang Account Sync: One click pushes your skin to official Minecraft servers.
3D Skin Studio

LAN Auto-Discovery & Offline Worlds

Playing with roommates or friends on the same Wi-Fi? Zircon discovers local servers automatically without typing IP addresses or forwarding router ports. Plus, build isolated offline single-player instances with dedicated RAM allocation.

  • LAN Auto-Discovery: Finds nearby games and ping latencies on your home network.
  • Adaptive Memory Slider: Allocate 2 GB to 32 GB RAM per instance with ease.
  • Automatic Java Resolver: Fetches verified Eclipse Temurin JDKs with zero manual path setting.
LAN Auto-Discovery & Settings

Engineered for seamless modded play

No more hunting zip files, version conflicts, or troubleshooting crash logs for hours.

1-Click Modded Play

Hit PLAY. Zircon connects to your server, compares mod manifests, verifies hashes via Modrinth & CurseForge, and downloads only missing files in parallel.

2048 & Discord Presence

Play built-in 2048 while massive 300-mod packs load up. Discord Rich Presence automatically broadcasts your active modpack and server to your friends.

3D Skin Studio & Library

Saved skin selector with live 3D viewport, official Mojang account sync, and an in-app community skin explorer pulling trending community skins live via API.

UI Customization & Themes

Personalize the launcher look with custom color accents, sleek dark palettes, and configurable view density to match your battlestation setup.

Offline Instances & World Import

Import singleplayer worlds and play completely offline without internet. Set custom RAM allocation per instance and isolate modpacks in separate sandboxes.

Client-Side Server Tweaks

Add optional performance mods, shaders, keybinds, and minimaps to any server profile without breaking cryptographic manifest synchronization.

Download the Zircon Launcher

Free and open source. Sign in with Microsoft and jump right into your favorite server.

Download Zircon Launcher (.exe) All Platforms (macOS & Linux)