Set up a hyper key for window shortcuts on a Mac

Turn Caps Lock into a hyper key so window shortcuts never clash with app shortcuts. How it works, free ways to set it up, and a layout of keys that stays easy.

Guide · Updated 13 October 2026

A hyper key is one key that presses ⌃ ⌥ ⇧ ⌘ together. No app uses all four at once, so shortcuts built on it never clash with anything. Caps Lock is the usual choice: big, under your little finger, and barely used.

Setting one up

  • Karabiner Elements (free) remaps Caps Lock to ⌃ ⌥ ⇧ ⌘, and can still type Escape when Caps Lock is tapped alone. It needs its own driver and permissions.
  • Raycast (free) has a Hyperkey setting that turns Caps Lock into hyper without other tools.
  • macOS alone can swap Caps Lock for ⌃, ⌥ or ⌘ in System Settings, Keyboard, Keyboard Shortcuts, Modifier Keys, but not for all four at once.

A layout that stays easy

Keep window moves on the arrows or on H J K L, so your hand barely moves:

Do thisHyper and
Focus left or right← → (or H, L)
Move the window⇧ and ← →
Change its widthR
Full width and backF
Jump to window 1 to 91 to 9

Using it with ClutterFreeMac

ClutterFreeMac's own shortcuts use ⌃ ⌥ and the arrows; one click in Settings, Shortcuts, Also use H J K L, adds the Vim keys. Every action can have more than one shortcut, so you can add hyper versions in Settings, Shortcuts, and keep the defaults too.

Hyper also pairs well with a scrolling layout: one hand on the keyboard moves along the strip, and the trackpad does the same with a swipe. See keyboard only window management for the full set.

Questions

What is a hyper key on a Mac?

A single key, usually Caps Lock, remapped to press ⌃ ⌥ ⇧ ⌘ together. Shortcuts built on it do not clash with any app's own shortcuts.

Can macOS make a hyper key without another app?

Not fully. System Settings can turn Caps Lock into one modifier such as ⌃, but a true hyper key needs a tool like Karabiner Elements or Raycast's Hyperkey setting.

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