You Won’t Believe What the ‘Fn Key’ Does on Your Keyboard—Shocking Secrets Inside!

Sat, 09 May 2026 22:36:22 +0000

You Won’t Believe What the ‘Fn’ Key Does on Your Keyboard—Shocking Secrets Inside! If you’ve ever stared down at your keyboard only to wonder what on Earth the mysterious Fn key really does, you’re not alone. Hidden from casual notice, the Fn key is one of the most underrated yet powerful features on modern keyboards—especially for laptop users. Today, we’re diving deep into its hidden secrets and revealing exactly what it does that most typists never realize. ### What Is the Fn Key, Anyway? Short for Function key, the Fn key is a small, often unassuming button nestled between the Ctrl and Alt keys on laptop keyboards. While many interfaces relic synonymously with shortcut combinations, the Fn key’s true role goes far beyond that. It acts as a keyboard extender, turning selected function keys into full-featured app-level or system-level commands—transforming your keyboard into a versatile command hub.