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henry wang
henry wang

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Grid Maker: A Free Browser-Based Drawing Grid Tool

Artists often use the grid method to transfer proportions from a reference photo to paper, canvas, boards, or walls. Grid Maker is a free browser-based tool that makes that setup faster and easier.

What it does

Upload a JPG, PNG, or WEBP reference image and add a customizable grid directly in the browser. You can adjust the number of rows and columns independently, then tune the line color, width, opacity, and optional A1-style cell labels. A live preview helps you confirm the grid before exporting the finished reference as a PNG or JPG.

Why I built it

Preparing a useful drawing grid by hand can be repetitive, especially when a project needs a different aspect ratio or scale. Grid Maker provides the controls needed for portraits, illustration studies, murals, and other large-format work without requiring extra software or an account. Beginners can focus on one cell at a time instead of solving every proportion in the full image at once.

Privacy and workflow

Reference images are processed locally in the browser and are not sent to an image-processing server. The responsive interface works on phones and desktop computers, so artists can prepare references wherever they are working. Image files up to 20 MB are supported.

Grid Maker is available now at https://gridmakering.com/. I’d appreciate feedback from artists, students, teachers, and anyone who uses the grid method.

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