Monocle 3.0 for macOS – Noise-cancelling for your  screen with cursor shake

Summary: Monocle 3.0 dims and blurs all background windows except the active one on macOS, enhancing focus by reducing visual distractions. It introduces a native macOS design, customizable blur intensity, and a cursor shake gesture to toggle the effect, improving usability and performance.

What it does

Monocle applies a blur or grayscale effect to all inactive windows, highlighting the active window to minimize distractions. Version 3.0 adds a native macOS interface, custom blur intensity via a modified NSVisualEffectView, a shake-to-toggle cursor gesture, and automation through Shell, AppleScript, or Shortcuts.

Who it's for

It is designed for macOS users seeking to improve concentration by visually isolating the active window during work, writing, browsing, or thinking.

Why it matters

Monocle addresses the problem of visual clutter on the screen by reducing background distractions, helping users maintain focus and presence while using their Mac.