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Appearance

Set your terminal theme and font, tune the cursor and window, and find the rest of Termio's settings — all in a familiar macOS settings window.

Open Settings with ⌘,. It's a standard macOS settings window with a sidebar of tabs; Appearance is where the terminal's look lives.

Theme

Termio uses Ghostty-format themes, so anything from the wider Ghostty theme ecosystem works. Pick a light and a dark theme from Settings ▸ Appearance and Termio follows the system between them.

To add your own, drop a Ghostty .toml theme file into:

~/Library/Application Support/termio/Themes/

The Open Themes Folder button takes you straight there, and Reload picks up new files without a restart.

Font

Choose any monospaced font installed on your Mac, set its size, and toggle Thicken glyphs if you like a heavier weight. Font size also has live shortcuts while you work — ⌘= to grow, ⌘- to shrink, ⌘0 to reset.

Cursor & window

The same tab tunes the cursor (block, bar, or underline; steady or blinking) and the window itself — padding around the terminal, and background opacity and blur for a translucent window over your desktop.

The rest of Settings

The other tabs cover the rest of the app:

  • General — install the termio command-line tool.
  • Interface — sidebar font and density.
  • Terminal — scrollback history and text selection.
  • Keyboard — rebind any shortcut; see Keyboard shortcuts.
  • Agents — enable agents and turn on session control.
  • Usage — token usage for agents you sign in to (Claude Code, Codex). Termio reuses each CLI's own credentials to show you where you stand against your limits; it stores nothing of its own.
  • Mobile — pairing and remote access for the iPhone companion.