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Clear instructions
Find steps, examples and limitations below.
Use online
Open the tool in a supported web browser.
Free to use
No sign-up required. Tool-specific limits may apply.
How to use the CSS Triangle Generator
Generate a triangle using CSS borders, with direction, size and color controls.
- 1 Select a Direction.
- 2 Set Width, Height and Color while inspecting the preview.
- 3 Copy the CSS and apply it to the intended decorative element.
Example and practical tips
Create a small downward triangle as a menu indicator.
Frequently asked questions
Is this a scalable vector file?
No. It is a CSS border technique. Change its CSS dimensions when a different size is needed.
Can I use the triangle as an accessible button alone?
A visual shape does not provide a control name or behavior. Add suitable semantic HTML and an accessible label for interactive use.
Practical guides
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How to Use CSS Triangle Generator
Generate pure CSS triangles using borders. Pick the direction, size and color, preview it live and copy the code. Free online CSS triangle generator.
Report an issue
Something broken or not quite right? Tell us and we will look into it.