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Modifier Keys

Modifier Keys

The Modifier Keys screen gives you two extra “shortcut” keys — the Meh Key and the Phew Key. Each turns one key on your keyboard into a single key that acts like several modifiers held down at once, so you can build your own shortcuts that don’t clash with anything else. Think of them as lighter cousins of the Hyper Key, handy when you want more than one conflict-resistant key to play with.

The Modifier Keys settings screen
The Modifier Keys settings screen in Uncapped

What the Meh and Phew keys are

On a Mac, the modifier keys are ⇧ Shift, ⌃ Control, ⌥ Option and ⌘ Command. Normally you press one or two of them with another key to trigger a shortcut. The Hyper Key takes this to the extreme: it makes one key act as all four modifiers at once (⇧⌃⌥⌘), giving you a key that no app’s shortcuts ever use.

The Meh and Phew keys work the same way, but each holds down three of the four modifiers instead of all four — a “Hyper Key, minus one”:

  • Meh Key acts as ⌘⌥⇧ (Command + Option + Shift).
  • Phew Key acts as ⌃⌘⇧ (Control + Command + Shift).

Because almost nothing uses three modifiers held together either, shortcuts you build on top of these stay nearly conflict-free — and they give you a second and third “personal” key alongside the Hyper Key, each one you can pair with any other key to invent shortcuts of your own.

Both keys are off until you turn them on.

For the technically curious. “Meh” is an established nickname in the keyboard-customization community for a “Hyper-key-lite” — three of the four modifiers held together (a Hyper Key minus one). Which modifier gets dropped varies between setups, so treat the name as “a three-modifier chord,” not one fixed combination. Phew is a name we coined for its companion chord: a second, equally easy-to-remember three-modifier combo — pick whichever short interjection sticks in your head. Under the hood, while you hold the trigger Uncapped simply folds that key’s modifier flags into whatever you press, and swallows the trigger itself — so it never behaves as a plain modifier, and there are no tap or hold actions to configure (unlike the Hyper Key).

Meh Key

The Meh Key block lets you switch the Meh Key on and choose which physical key triggers it.

The Meh Key section, with the Enable toggle and Trigger key menu
Enabling the Meh Key and choosing its trigger key

Enable Meh Key

Flip Enable Meh Key on to start using it (it’s off until you turn it on). While it’s active, your chosen trigger key acts as ⌘⌥⇧ held together.

Choosing the trigger key

The Trigger key menu picks which physical key becomes the Meh Key. It defaults to Right Option (⌥), and you can choose any of these:

  • Right Option (⌥) (default)
  • Right Shift (⇧)
  • Right Command (⌘)
  • Right Control (⌃)
  • Left Option (⌥)
  • Left Shift (⇧)
  • Left Command (⌘)
  • Left Control (⌃)

The menu is greyed out until the key is enabled. Picking one of the right-hand keys (like Right Option) is usually best — it keeps the matching left-hand key working as a normal modifier.

The Trigger key menu open
The list of modifier keys you can assign as a trigger

Phew Key

The Phew Key block works exactly like the Meh Key block — its own toggle and its own trigger.

The Phew Key section, with the Enable toggle and Trigger key menu
Enabling the Phew Key and choosing its trigger key

Enable Phew Key

Flip Enable Phew Key on to start using it (also off until you turn it on). While it’s active, your chosen trigger key acts as ⌃⌘⇧ held together.

Choosing the trigger key

The Trigger key menu offers the same eight keys listed under the Meh Key above. For the Phew Key it defaults to Right Control (⌃). As before, the menu is greyed out until the key is enabled.

Each key needs its own trigger

Every one of these keys has to have a different trigger — and that includes the Hyper Key. Two keys can’t share a physical trigger, because whichever one grabs the key first would swallow it before the other ever saw it.

If you pick a key that’s already taken, Uncapped shows a Trigger key already in use alert explaining which key is using it and reverts your choice, so you never end up with two keys fighting over the same trigger.

For the technically curious. This rule covers the Meh Key, the Phew Key, and the Hyper Key whenever the Hyper Key is set to a modifier key. The one exception is Caps Lock: it isn’t a modifier, so a Hyper Key set to Caps Lock can never collide with a Meh or Phew trigger.