Web Asset Tools

CSS Triangle Generator

Use CSS Triangle Generator free in your browser. No account required; your input is processed locally in your browser.

Runs locallyYour inputs stay in your browser.
Workspace
HOW IT IS GENERATED

Generate a pure-CSS triangle

Use transparent borders plus one colored border to create a triangle in the selected direction.

Size + color + directionTriangle CSSRuns locally
01Size + color + direction
02Zero-size box + borders
03Triangle CSS

Directions supported are up, down, left and right.

GOOD TO KNOW

The triangle is created from borders, not a polygon element

A zero-width, zero-height element exposes triangular border regions that can be colored selectively.

PRIVATE BY DESIGN

Your content stays in the browser

Processing runs locally in the page without requiring the content to be sent to UtilityLake.

02

In short

What exactly does it do?

Use transparent borders plus one colored border to create a triangle in the selected direction.

Example?

Directions supported are up, down, left and right.