CSS Triangle Generator — Free Online Tool
Create CSS triangles in any direction using the classic border trick. Select direction (up, down, left, right, diagonal), set width and height, pick a color, and copy the ready-to-use CSS.
100% client-side. No uploads. Your data never leaves your browser.
How to use CSS Triangle Generator
- Select a triangle direction.
- Set width and height.
- Pick a color.
- Copy the CSS.
Frequently Asked Questions
How does the CSS triangle trick work?
Set width and height to 0, then use borders. A border on one side creates a rectangle; making adjacent borders transparent creates a triangle.
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