Designed to be
simple & powerful
Extension Popup
Right-Click Context Menu
Overlay Rule of Thirds, Golden Ratio, Fibonacci Spiral & Golden Triangle grids on any image & video — right in your browser.
Works on Chrome, Edge, Firefox, Brave, Vivaldi & all Chromium browsers
Rule of Thirds, Golden Ratio, Fibonacci Spiral & Golden Triangle — all in one extension.
Press Alt+I for image overlay, Alt+V for video overlay, Alt+L for line style, Alt+C for quick color.
Composition grid on <video> elements too — with an independent toggle and shortcut.
Right-click any image to toggle the grid overlay on that specific image.
Pick custom colors, adjust line width, dot size, and toggle intersection dots.
Choose where the grid appears: All Sites, Block List, or Allow List — managed via Options page.
The classic composition guide dividing the frame into 9 equal parts.
Based on the divine proportion (φ ≈ 1.618) for natural, pleasing balance.
The golden spiral guides the eye naturally through the composition.
Diagonal guides perfect for dynamic compositions with strong lines.
Install Composition Grid for free and start analyzing any image & video on the web.