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§ 03 Windows · WinUI3 · C# 2026

KeyCleanr

Platform

Windows 11

Year

2026

Role

Full-stack Developer

Status

Complete

Dispatch dashboard

Overview

A simple keyboard cleaning utility for Windows. Built with C# and WinUI3.

KeyCleanr is a Windows desktop utility built with WinUI 3 and C# that locks the keyboard during cleaning to prevent accidental input. The app uses a low-level Windows keyboard hook via Win32 P/Invoke (SetWindowsHookEx) to intercept and suppress all keystrokes system-wide while active. It features a modern Fluent Design interface with Mica backdrop, dynamic state-based UI feedback, and is packaged as an MSIX installer for distribution. Inspired by the macOS KeyboardCleanTool.