Golden Ratio Overlay

About this app

Golden Ratio Overlay floats a composition guide over anything on your screen - your photo editor, design tool, video app, or browser - so you can compose against the grid you actually want. Built for one reason: most editors can't rotate or flip their built-in overlays. This one can. Every guide supports all eight orientations; rotate in 90-degree steps or flip horizontally and vertically with one click. GUIDES • Rule of Thirds: 3x3 equal grid • Phi Grid: golden-proportion grid (1 : 0.618 : 1) • Golden Spiral: Fibonacci spiral with its golden-rectangle subdivisions • Golden Diagonals: corner diagonals and their reciprocals • Harmonic Armature: the classic 14-line armature • Center Cross: centered midlines FAST FROM THE KEYBOARD • Global shortcuts for every overlay action: show or hide, cycle guides, flip, rotate, and lock - they work while any app is in front • Remap every shortcut in Settings, or clear the ones you don't need • Hold Option while the overlay is locked to move or resize it; release and it snaps back to click-through • Open at login so your guides are always one keystroke away MADE TO STAY OUT OF YOUR WAY • Lives in the menu bar; no Dock icon, no windows to manage • Floats above every app, including full-screen ones, without ever stealing focus • Lock mode makes the overlay click-through so you keep editing beneath it • Drag to move, grab a handle to resize; hold Shift to keep the aspect ratio, Option to resize from center • Six line colors with a contrast understroke that stays readable on any image • Remembers your guide, color, position, and orientation between launches PRIVATE BY DESIGN No data collection, no analytics, no network access. The complete source code is public on GitHub.

The overlay is now at your fingertips - control everything without opening the menu bar. NEW • Global keyboard shortcuts: show or hide the overlay, cycle guides, flip, rotate, and lock from anywhere. Defaults use Control+Option; remap or clear any of them • Settings window: record your own shortcuts, reset to defaults, and pick launch options (open it from the gear in the menu bar panel) • Hold Option while the overlay is locked to move or resize it without unlocking - release and it is instantly click-through again. Prefer Command or Control? Change it in Settings • Open at login, and optionally show the welcome window at every launch IMPROVED • Tooltips now show each control's current keyboard shortcut • Shift (keep aspect ratio) resizing works seamlessly while adjusting a locked overlay

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1. First observed Aug 8, 2026 · 5:18 PM $2.99