KRYPTONCLIENT
The most advanced DonutSMP addon. PvP, Automation, Utility.
Why Choose Krypton?
Experience the ultimate enhancement suite for DonutSMP with cutting-edge features
Built for DonutSMP
Specifically designed for the unique mechanics and gameplay of DonutSMP server environment.
100% Free & Open Source
No paywalls, no hidden fees. Completely free to download and use with full transparency.
Extensive Module Library
50+ modules covering PvP enhancements, automation tools, and utility features.
Performance Optimized
Lightweight and efficient. Minimal impact on your game performance and FPS.
Regular Updates
Continuously improved with new features, bug fixes, and compatibility updates.
Easy to Use
Simple installation process with intuitive interface. Get started in minutes.
Download Krypton v15
For Minecraft 1.21.1 • Updated February 2026 • 100% Free
Or download components individually
Installation Guide
Install Fabric Loader
Download and run the Fabric installer for Minecraft 1.21.1
Download Dependencies
Get Fabric API and place it in your mods folder
Install Krypton
Download Krypton Client JAR and add it to your mods folder
Launch & Configure
Start Minecraft with Fabric profile and press RightShift to open menu
Important Notice
Always download from official sources only. Be cautious of third-party sites claiming to offer "free" versions. Verify file checksums and use reputable antivirus software. Krypton Client is designed for DonutSMP server environment.
50+ Modules
Comprehensive feature set covering all aspects of DonutSMP gameplay