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Updated
How to Maximize a Window on Mac Without Fullscreen
With Supercharge
- Open the settings of Supercharge, and click “Tweaks”.
- In the “Apps & Windows” section, turn on “Fill window when clicking green traffic light button”.
- Click the green button of a window. The window fills the screen. Click it again to get the previous size back.
Hold Option while you click the green button to go fullscreen. The tweak uses the Fill action of macOS, so it needs “Displays have separate Spaces” on in “System Settings › Desktop & Dock”.
Get Supercharge
Elevate your Mac experience
$20, one-time purchase, plus tax where applicable
- Platform
- macOS
- Requires
- macOS 26.4 or later
- Released
- September 2024
- Privacy
- No personal data collected
- Updated
- September 2026
- Version
- 1.30.1
- Size
- 16 MB
- Gumroad rating
- 5.0/5 (284 ratings)
Without an app
- Keyboard: Press FnControlF.
- Green button: Hold the pointer over the green button, and click “Fill” below “Fill & Arrange”. To get the previous size back, Option-click the green button.
- Title bar: In “System Settings › Desktop & Dock”, set “Double-click a window’s title bar to” to “Fill”. Then double-click the title bar of a window.
Apple’s instructions. These are enough for most people. Supercharge is for when you click the green button by habit and do not want fullscreen.