Grid Overlay for Drawing — Free Online Tool
Drop a customizable grid overlay on any photo. Adjust rows, columns, color and opacity — download in one click, no signup.
Upload your reference photo
Drag & drop anywhere, or paste (Ctrl+V)
📁 Choose Photo🔒 Your image never leaves your device
Free exports up to 2560px, no watermark, no signup.
Grid
Guides & labels
Match your canvas
Enter your paper or canvas size and cell size — we compute the matching grid divisions automatically.
▸My Presets (0)
Saved on this device — settings also restore automatically next visit.
🖨 Pro: Print-ready PDF · Full resolution · 2×/4× · Transparent overlay
What is a grid overlay used for?
A grid overlay is a layer of evenly spaced squares placed on top of a reference photo. Artists use it for the grid drawing method: you draw the same grid on your paper, then copy what appears in each square. Because each square is small, your brain measures proportions accurately instead of guessing — which is why the technique produces such reliable results for beginners and professionals alike.
Beyond paper drawing, overlays are also used to check composition (try the built-in rule-of-thirds and golden-ratio guides), to scale sketches up to large canvases or walls, and as alignment layers in digital art apps.
FAQ
▸How do I overlay a grid on a photo?
Upload your photo, set the number of rows and columns, adjust the line color and opacity, and download the gridded image. With our free tool it takes about 30 seconds and requires no signup.
▸Can I make the grid overlay semi-transparent?
Yes — drag the "Grid opacity" slider to blend the overlay with your photo, from faint guide lines to solid black. You can also pick any line color to contrast with light or dark images.
▸Can I use a grid overlay on my phone?
Yes. The tool is fully responsive — upload from your camera roll, pinch to check the preview, adjust settings, and save the gridded image directly to your device.
▸How do I transfer the grid to my paper or canvas?
Use the same number of rows and columns. Our grid calculator works out the exact divisions for your canvas size, and the printable grid paper generator gives you matching gridded paper in any square size.
▸Do you support transparent PNG overlays?
Yes — you can download a transparent-background PNG of your gridded image for free. A pure grid-only transparent layer (no photo) for importing into Procreate or Photoshop is a Pro feature.