macOS menu bar utility

Klenny

Lock your keyboard.
Clean your Mac.

A native macOS utility that blocks accidental keyboard and trackpad input while you clean your Mac. Unlock safely when you are done.

See it in action

One-time purchase
Everything included
No account
No tracking

Klenny cleaning session: the keys you already wiped turn green while a progress bar counts them

Video

Lock, wipe, done.

Screenshots

See every key you have cleaned.

Klenny window with a virtual keyboard and trackpad, ready to lock

Cleaning in progress: wiped keys glow green and a counter shows 47 of 70 keys

Settings menu with key sounds, Mac color finishes and key styles

Klenny menu in the macOS menu bar to lock and unlock in one click

Features

Built for quick, safe keyboard cleaning.

Keyboard Lock

Suppresses accidental key input while cleaning your keyboard.

Trackpad Lock

Helps avoid cursor movement and clicks while wiping your MacBook.

Menu Bar Ready

Start and stop cleaning mode from the macOS menu bar.

Safe Unlock

Press Esc three times to unlock. Locking also ends on its own if your Mac sleeps or the screen locks.

Cleaning Progress

Visual feedback helps you see what keys have been touched.

Sounds & Styles

Optional key sounds and seven Mac finishes, including Midnight, Starlight, Gold and Sky Blue. All included with your purchase.

Technical Build

Native macOS code for low-level input control.

SwiftUI + Observation

Native menu bar popover, onboarding, virtual keyboard, and trackpad interface.

AppKit + CoreGraphics

Uses a CGEvent session tap to suppress keyDown, keyUp, and modifier events while cleaning mode is active.

IOKit HID

Detects input devices and supports hardware-aware keyboard and external mouse workflows.

macOS Permissions

Guides users through Accessibility and Input Monitoring permissions required for input blocking.

Keyboard Model

Tracks an ANSI keyboard layout with visual cleaning feedback and escape-key recovery.

Privacy Boundary

No keystroke storage, analytics, accounts, or custom backend services.

Privacy

Your keyboard activity stays on your Mac.

Klenny uses macOS system permissions only to block input while cleaning. It does not record keystrokes, send analytics, or connect to a custom backend.