Dice Mosaic Generator

1. Image Source

Upload a local image file or paste a web image URL to begin.

📁 Click to choose an image

Scroll Zoom: Scroll your mouse wheel over the canvas to zoom in and scroll out to snap back to show the entire image.
Drag to Pan: Click and drag when zoomed in to move around.
Cell Selection: Click a cell to highlight it and view its details, click it again to deselect. Hold Shift + Drag (or drag normally when unzoomed) to select a range of cells and view their combined counts in the bottom-left panel. Click Download Selection PNG to save the selected cells as a PNG image.
Edge Cropping: Click the arrow buttons around the canvas borders to crop row-by-row or col-by-col. Outward arrows are disabled at 0% crop. Click Reset to reset the crop to the original image dimensions.

Select a dice palette and physical dice size.

Dice Palette

Dice Size (Diameter)

Tune brightness and contrast to enhance mosaic clarity.

Brightness

Contrast

Adjust the mosaic width or height in rows/cols, inches or centimeters to scale. Other fields update automatically to keep the aspect ratio locked.

Columns

Rows

Width (cm)

Height (cm)

Width (in)

Height (in)

Black Dice

White Dice

Black Blanks

White Blanks

Total Dice

Save a high-res PNG or print a page-by-page grid layout map.

If you find this tool helpful, consider supporting the developer.

Top Crop

Left Crop

🎲

Upload a photo using the sidebar panel to see your custom dice mosaic live preview here.

Right Crop

Bottom Crop