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Use this free pixel circle generator to draw mathematically consistent circles on a square grid. Choose hollow rings or filled disks (3–128 px), tune thickness and ASCII characters, preview on a live canvas, then copy patterns or x,y coordinates for sprites, engines, and tile maps.
Pair with the Minecraft Circle Generator, Pixel Art Generator, and Mandala Generator for circular creative workflows.
Last updated: September 6, 2026 · Published: 2026-03-29 · Updated: 2026-09-06
Free browser tool for pixel artists and game makers. Browse all Gaming Tools.
ASCII character preset
Filled pixels
48
Radius (px)
8.5
Origin (0,0) is the top-left pixel. X increases right; Y increases down — standard for pixel art and screen coordinates.
Tip: odd diameters center on one pixel; even diameters use a 2×2 center.
Live preview
ASCII pattern
· · · · · · █ █ █ █ █ · · · · · · · · · · █ █ · · · · · █ █ · · · · · · █ █ · · · · · · · · · █ █ · · · · █ · · · · · · · · · · · █ · · · █ · · · · · · · · · · · · · █ · · █ · · · · · · · · · · · · · █ · █ · · · · · · · · · · · · · · · █ █ · · · · · · · · · · · · · · · █ █ · · · · · · · · · · · · · · · █ █ · · · · · · · · · · · · · · · █ █ · · · · · · · · · · · · · · · █ · █ · · · · · · · · · · · · · █ · · █ · · · · · · · · · · · · · █ · · · █ · · · · · · · · · · · █ · · · · █ █ · · · · · · · · · █ █ · · · · · · █ █ · · · · · █ █ · · · · · · · · · · █ █ █ █ █ · · · · · ·
Pixel coordinates (x, y)
6,0 7,0 8,0 9,0 10,0 4,1 5,1 11,1 12,1 2,2 3,2 13,2 14,2 2,3 14,3 1,4 15,4 1,5 15,5 0,6 16,6 0,7 16,7 0,8 16,8 0,9 16,9 0,10 16,10 1,11 15,11 1,12 15,12 2,13 14,13 2,14 3,14 13,14 14,14 4,15 5,15 11,15 12,15 6,16 7,16 8,16 9,16 10,16
Circles on a square grid are hard to eyeball. A pixel circle generator turns a diameter into exact filled cells so sprites, UI rings, and tile rooms stay symmetric.
This tool calculates hollow or filled circles, shows a live canvas preview, exports ASCII patterns, and lists x,y coordinates with a top-left origin for engines and editors.
Muxgen's Pixel Circle Generator supports diameters 3–128 with adjustable hollow thickness and custom ASCII characters — a free browser helper for art and game workflows.
Three steps from diameter to copy-ready pattern and coordinates.
Choose how many pixels wide the square canvas is (3–128) — larger values give smoother curves.
Use hollow mode for outlines and UI rings, or filled mode for solid disks and stamps.
Copy the ASCII grid or x,y coordinate pairs for engines, docs, and pixel editors.
Every control in the pixel tool and how it shapes your export.
Canvas width from 3 to 128. Odd sizes center on one pixel; even sizes use a 2×2 center.
Hollow ring for outlines and UI frames; filled disk for solid stamps and coins.
Hollow mode only — how many pixel layers form the ring wall (1–64).
Block, hash, or square-tile presets, plus custom filled and empty characters.
Zoom the canvas and toggle grid lines for alignment checks before export.
Preview, ASCII, coordinates, and counts — everything you need to paste.
Scaled visual with optional per-pixel grid lines and adjustable cell size.
Monospace text grid using your chosen filled and empty characters.
x,y pairs with top-left origin — one coordinate per filled pixel.
Total pixels set — useful for sprite budgets and collision mask sizing.
Effective radius in pixels for layering smaller circles into spheres.
Block, hash, and square tile presets plus custom fill and empty chars.
A simple structure for turning circle math into sprite-ready assets.
Diameter sets scale — from icon dots to arena-sized tile regions.
Hollow vs filled decides whether you get a ring stroke or a solid disk.
Canvas, ASCII, and coordinates turn math into assets your toolchain can paste.
Hollow rings, filled disks, and multi-pixel wall thickness.
Outline-only circles with thickness 1–64 — UI borders, shields, and rims.
Solid pixel circles — coins, planets, buttons, and stamp brushes.
Hollow mode ring width control so small diameters stay readable.
Match diameter to icons, sprites, and large tile regions.
Icons, bullets, tiny planets, and UI dots where every pixel counts.
Character-scale props, ability range rings, and readable HUD frames.
Big environments, splash art guides, and detailed tile regions.
Quick guidance by project scale.
| Diameter | Best for |
|---|---|
| 5–15 diameter | Icons, bullets, and tiny UI dots |
| 17–45 diameter | Sprites, HUD rings, and ability indicators |
| 47–128 diameter | Environments, arenas, and detailed tile maps |
Supported range: 3–128 pixels. Odd diameters center on one pixel; even diameters use a 2×2 center.
Built for pixel artists, indie developers, and classroom demos.
See the circle scaled to your screen with optional pixel grid lines for alignment checks.
Switch between full disks and adjustable-thickness rings for outlines and borders.
From tiny icons to large tile regions — preview scales automatically.
Swap block, hash, or tile-style characters so exports match your notes or toolchain.
One-click copy for text patterns and newline-separated x,y coordinate lists.
Runs locally in the browser after load — no server round-trip per change.
Popular ways creators use pixel circle blueprints.
Sketch circular shields, coins, planets, and rims without guessing arc steps by hand.
Drop coordinate lists into prototypes for collision masks, spawn rings, or AoE indicators.
Prototype circular frames, avatars, and progress rings on a strict pixel grid.
Plan round rooms, islands, and arenas on square tiles or grid paper.
Show how Cartesian rows and columns map to screen pixels in classrooms or workshops.
Generate circular caverns and room outlines using text-friendly symbols.
Know what this generator covers versus what you do in your toolchain.
Diameter, hollow/filled mode, thickness, canvas preview, ASCII pattern, and top-left x,y coordinates.
Color palette, layers, Y-axis conventions, and collision implementation — your creative and technical choices.
Where this tool fits beside eyeballing, static charts, and Minecraft block blueprints.
Freehand rings look lopsided. Distance-from-center math keeps every quadrant consistent.
Printed charts cover a few sizes. This tool regenerates any diameter from 3 to 128 on demand.
Minecraft mode exports block relative coords. This tool targets screen pixels, ASCII, and sprite workflows.
AI can sketch circles but drifts on grid math. Fixed diameter formulas stay precise for editors.
Keep rings readable — and exports usable in your engine.
Odd diameters need a single center pixel. Even diameters use a 2×2 — mismatch breaks symmetry.
Identical ASCII characters make the pattern unreadable. Use two distinct symbols.
This tool uses top-left origin. Flip Y for engines that use bottom-left.
A 1-pixel hollow ring can vanish when scaled. Increase thickness for HUD readability.
Pixel x,y is not ~x ~ ~z. Switch to the Minecraft Circle Generator for block placement.
Spheres need shrinking circles per layer — reuse the tool for each diameter.
Practical advice for sprites, HUD rings, and layered 3D forms.
Odd sizes (9, 15, 21…) give a single center pixel that simplifies mirroring and rotation.
On small canvases, increase ring thickness so the curve stays visible when scaled down.
If your tool uses bottom-left origin, flip Y when importing coordinates.
Paste ASCII into editors that support monospace fonts so columns stay aligned.
Use several diameters in sequence to approximate spheres and domes in voxel style.
For exact block placement in Minecraft, cross-check with the Minecraft Circle Generator.
How this tool relates to your art and game projects.
A general pixel-grid helper for art and games — not affiliated with any game publisher.
Patterns guide placement. Engine integration, licensing, and art direction remain yours.
Output is a 2D disk or ring on a square canvas. Stack diameters yourself for 3D approximations.
Calculations run in your browser. Copy charts into your own notes; nothing requires an account.
Quick definitions for terms used on this page and in the tool.
Width of the circle in pixels across the square canvas — the main size control.
Only the border pixels are filled; the interior stays empty.
Every pixel inside the radius is marked — a solid circular stamp.
How many pixel layers make up a hollow outline from the outer edge inward.
Coordinate (0,0) is the top-left pixel; X increases right and Y increases down.
Odd diameters center on one pixel; even diameters center on a 2×2 of pixels.
Editors, engines, ASCII maps, and classroom workflows.
Copy ASCII or coordinates into editors that respect monospace grids and layers.
Use x,y lists for collision masks, spawn rings, and AoE indicators.
Export hash or tile characters for circular rooms and cavern outlines.
Demonstrate screen coordinates and circle math on a visible pixel grid.
Answers about diameters, hollow vs filled, ASCII, coordinates, and engines.
Explore more tools in the directory.
Block-scale circles with relative coords for Minecraft builds.
Broader pixel art workflows and sprite ideation.
Build concepts for bases on square tile maps.
Sprite-scale character picks for challenge runs.
Circular decorative patterns for art references.
Colored sign text for pixel build districts.