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CSS Shape Generator

Create triangles, circles, hearts, stars, and other shapes using pure CSS with visual controls.

Tested tool guide Tested browser tools Checked August 16, 2026

What CSS Shape Generator does and how it behaves

A triangle, circle, heart, or star begins as a selectable shape rather than a hand-written set of declarations. CSS Shape Generator lets you adjust the silhouette with visual controls, inspect the rendered result, and copy the corresponding CSS into a page. It is intended for CSS-drawn decorations and interface elements, not for editing SVG paths or bitmap images. The common surprise is that the visible outline does not replace the element's rectangular layout box or automatically make nearby text follow the contour.

How the result is produced

1

Preset to CSS

Select an available silhouette, then use its visual controls while watching the browser-rendered preview. The resulting CSS describes the dimensions, fill color, and geometry needed to form that shape. Apply the complete output to the intended HTML element. An otherwise empty element is often the clearest host when the shape is purely decorative.

2

Shape construction

Pure CSS shapes can use different CSS features. Rounded forms can be expressed with border-radius, while angular outlines can be formed through clipping or border geometry. Compound silhouettes can involve transforms and pseudo-elements. If the generated result contains multiple selectors, preserve all of them: copying only the main declaration block can leave a heart or another composite shape incomplete.

Good uses

  • Create a CSS triangle for a tooltip pointer, menu indicator, or callout without adding an image asset.
  • Produce a heart or star as a decorative badge, favorite marker, rating symbol, or empty-state accent.
  • Draft circles and other geometric elements for avatars, status indicators, loaders, or diagram nodes.

Limits and checks

  • The element still occupies its CSS box even when clipping or border geometry makes the painted area look smaller or nonrectangular.
  • Changing width and height independently can distort presets whose intended appearance depends on a particular aspect ratio.
  • A generated shape has no inherent meaning for assistive technology. Add suitable text or an accessible name when the shape communicates information.

Common questions

Can I place text inside a generated shape?

Sometimes. A circle or roomy polygon can contain centered text, but clipping can hide any content that extends beyond the visible outline. Narrow triangles, stars, and hearts usually provide poor text areas. The generator supplies the shape styling; you may still need layout, padding, line-height, and overflow rules for readable content.

Will surrounding text wrap around the visible shape?

No, not merely because an element looks circular, triangular, or clipped. Normal layout continues to use its rectangular box. Contour-based text wrapping is a separate CSS Shapes feature commonly involving a floated element and shape-outside. Treat the generated silhouette as visual styling unless you deliberately add those wrapping rules.

References and verification

The behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.

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