The ultimate DonutSMP mod — 60+ precision-engineered modules, a drag-and-drop HUD editor, and buttery-smooth rendering. Built exclusively for Fabric 1.21.1.
Why Krypton
Every feature is purpose-built for the DonutSMP experience — no bloat, no filler. Just the tools that matter.
Sodium-powered rendering pipeline cuts GPU overhead by up to 40%. More FPS, smoother gameplay — especially on high-population DonutSMP sessions.
Drag-and-drop HUD editor with live preview. Customise coordinates, ping, FPS, armour status, and more — pixel-perfect placement every time.
60+ toggleable modules spanning Combat, Movement, Render, Player, and World categories. Per-module keybinds and config presets supported.
Save and swap full configuration profiles in one click. Share setups with your DonutSMP crew or switch between PvP and building presets instantly.
Real-time entity tracker scoped for the DonutSMP environment. Spot nearby players on the minimap and plan your approach accordingly.
Full theme engine with neon presets including Aquamarine, Violet, and Midnight. Customise every UI element to match your aesthetic.
Module List
Every module is independently configurable with its own keybind, intensity slider, and on/off toggle — all accessible via the in-game GUI or the RShift hotkey.
In-Game GUI
Open the GUI with RShift — instantly browse all modules by category, toggle them live, and adjust settings without leaving the game.
Installation
No launchers, no logins, no nonsense. Just drop the JAR and play.
Download and run the Fabric Loader installer. Select Minecraft version 1.21.1.
fabric-installer.jar
Drop Fabric API into your .minecraft/mods folder — required dependency.
Move the downloaded krypton-client.jar into the same mods folder.
.minecraft/mods/
Open the Fabric 1.21.1 profile in your launcher, hit Play, and press RShift in-game to open Krypton.
Get Krypton
No premium tier, no locked modules, no paywalls — every feature available to every DonutSMP player from day one.
Fabric 1.21.1 · 60+ modules · Full HUD editor · Config profiles · Active development
Download krypton-client-2.5.3.jarFAQ
Krypton Client is built exclusively for Fabric 1.21.1. Ensure you have the Fabric Loader and Fabric API installed for your 1.21.1 profile before adding the mod.
Krypton Client is designed with DonutSMP's mod policy in mind. Always cross-reference against the current server rules before playing — server policies can change. When in doubt, ask a staff member.
Press Right Shift while in-game to open the Krypton Client GUI. From there you can browse all categories, toggle modules, assign keybinds, and adjust per-module settings.
Krypton Client's rendering pipeline is optimised with Sodium internals and is designed to improve FPS compared to vanilla. Most users see a 20–40% framerate increase over unmodified Fabric 1.21.1.
Yes. Krypton Client is compatible with most Fabric 1.21.1 mods including Sodium, Lithium, and Iris. If you encounter a conflict, report it via our Discord and we'll investigate compatibility.