CSS Triangle & Tooltip Arrow Generator
Processed in your browser
Generate lightweight CSS triangles, pointers, and speech bubble arrows using border tricks.
Triangle Parameters
CSS Rules
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Direct In-Browser Handoff
Modern CSS Effects & Generator Suite
Chain this tool with complementary private browser utilities for a complete zero-server workflow:
Helpful Examples
Top Pointing Tooltip Arrow
Upwards arrow for dropdown menus
Up, 12px width, 8px heightHow to Use the CSS Triangle & Tooltip Arrow Generator
Create zero-image geometric triangles using the CSS transparent border technique. Direct arrows upwards, downwards, left, right, or diagonal with customizable width, height, and color.
Privacy & Data Processing Notice
No user data leaves your browser. Computation is executed entirely on your device. We do not store, view, or transmit your inputs over our network. Your computation remains on your personal machine.
Frequently Asked Questions
How does the CSS border triangle trick work?
By setting width and height to 0 and applying colored borders opposed by transparent borders, the diagonal miter joints form crisp vector triangles.
Related Utilities
Frequently paired browser tools in Color & Design Tools