Get a tone alert and/or pop-up interface whenever you turn Caps Lock On and Off. And the sound file can be customized... If you often accidentally strike the Caps Lock key, you need this app; If you’re nostalgic for the Toggle Keys Tone in other systems, this app brings it back. features:v1.60 - Tone alert for Caps Lock On and Off can be set separately - The sound file can be customized, and all sound formats are supported - A translucent flashing interface can be chosen to display - The interface can be dragged anywhere convenient - disable the function of the Caps Lock key included - You can edit and paste text on the fly with format matched at any time v1.60 -> v1.72 - Any Mac (Apple Silicon, Intel) version for macOS Monterey - Option added: color-switching the status menu bar icon - Option added: color-switching the dock icon v1.72 -> v2.00 - Option added according to user requirement: Caps Lock status can be sent to the notification center according to the user's configuration v2.00 -> v2.02 - status menu bar icon not only matches macOS dark mode, but also the wallpaper light/dark setting - Show control panel added to dock menu and main menu - More by dragonBTV menu updated v2.02 -> v2.05 - Control panel interface and menu modified - All deprecated functions rewritten for the latest macOS