🔲 Grid Overlay Generator
Add a customizable transparent grid overlay to your photos. Adjust columns, rows, colors, and opacity instantly. 100% processed locally.
Click or drag & drop a photo here
Columns (Vertical lines)
Rows (Horizontal lines)
Upload a photo first
The grid overlay live preview will appear here
Why use a Grid Overlay Generator?
Whether you are practicing drawing via the grid method, checking UI alignment, adjusting photography compositions, or preparing images for a 9-grid split, overlaying a precise grid is an essential technique.
Core Advantages
- Absolute Privacy: Built with HTML5 Canvas, your image is processed entirely in your browser's local memory. It is never uploaded to any server.
- Highly Customizable: Continuously adjust line thickness and opacity (Alpha channel). Whether your background is dark or light, you can easily create visible guidelines.
- Lossless HD Export: The grid is drawn using a 1:1 coordinate mapping based on your original image's native resolution, ensuring the downloaded image remains crystal clear.