Pixel Circle Generator: Perfect Circle Charts for Minecraft, Pixel Art & More
What a pixel circle generator does, how the rasterization works, and how to use circle charts for Minecraft builds, pixel art, cross-stitch and other block games.
A pixel circle generator turns a true circle into a grid of on/off cells — the only kind of circle a blocky world can show. Whether you're building a Minecraft fountain, designing pixel art, or stitching a cross-stitch pattern, the chart is the same. Here's how the rasterization works and how to get the most out of it.
What "pixel circle" actually means
Screens and block grids can't draw curves — they approximate them with squares. The generator tests each cell: if the center of the cell falls inside the circle, the cell is on. That single rule produces smooth, symmetric circles at any size, for both odd and even diameters.
Reading the chart
- Each green square = one block (or one pixel, or one stitch).
- The widest row is your diameter; rows above mirror rows below.
- Outline mode keeps only the boundary — rims, rings, circular outlines for shading practice.
- Filled mode includes the interior — discs, floors, solid shapes.
Sizes worth memorizing
| Diameter | Outline blocks | Filled blocks | Typical use |
|---|---|---|---|
| 7 | 20 | 37 | Small windows, coin-sized art |
| 15 | 40 | 177 | Fountains, pools, 8-bit portraits |
| 21 | 56 | 349 | Towers, character heads |
| 31 | 84 | 749 | Domes, arena floors |
| 51 | 144 | 2,053 | Plazas, mega builds |
Beyond Minecraft
The same grid works anywhere a pixel-true circle is needed:
- Pixel art: outline mode gives clean circular line art at any resolution.
- Cross-stitch / perler beads: one cell = one stitch or bead.
- Terraria and other block games: the chart applies directly.
- LEGO mosaics: filled mode is a ready-made stud map.
Workflows that save time
- Export the PNG: download any layer as a clean image to keep on a second monitor or phone.
- Share links: "Copy build link" encodes your shape, size and style in the URL — perfect for build teams.
- Track rows: the Build Along panel saves row completion in your browser, separately per project. No account, no sync, no fuss.
FAQ
Why does my circle from another site look different? Different rasterization rules produce different valid pixel circles — some aren't even symmetric at even diameters. Pick one chart and stick with it for the whole project.
What's the largest circle I can generate? Diameter 512 in the 2D blueprint. That's a 262,144-cell grid — more than enough for any realistic project.
Does it work offline / on mobile? The generator runs fully in your browser once loaded, on any device.
Try it now: open the free Pixel Circle Generator →