Animated Border Generator

Animated Border Generator — a free, in-browser design & CSS generator with live preview and copy-ready output.

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Animated border

A B Speed 3s Width 3px

CSS (modern @property gradient border)

.anim-border {
  position: relative; border-radius: 14px; padding: 3px;
  background: linear-gradient(var(--a, 0deg), #7c3aed, #22d3ee);
  animation: spin-border 3s linear infinite;
}
.anim-border > * { background: #0f0f12; border-radius: 11px; }
@property --a { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@keyframes spin-border { to { --a: 360deg; } }
/* Fallback without @property: */
@keyframes spin-border-fallback { to { transform: rotate(360deg); } }

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About Animated Border Generator

Animated Border Generator is a free, client-side CSS utility with a live preview. Adjust the controls, see the result update instantly and copy clean, copy-paste code into your stylesheet.

How to use Animated Border Generator

1Open Animated Border Generator — it loads instantly and runs entirely in your browser.
2Adjust the controls and watch the live preview update in real time.
3When it looks right, click Copy to grab the CSS code and paste it into your project.

Why use Animated Border Generator?

✓Skip the boilerplate — generate it visually
✓Live preview so you get it right first time
✓Copy standards-based CSS for any browser
✓Free, client-side and sign-up free

Frequently asked questions

Will the CSS work in modern browsers?+

Yes. Animated Border Generator generates clean, standards-based CSS supported in all current browsers — copy it and paste it straight into your stylesheet.

Is Animated Border Generator free to use?+

Yes. Animated Border Generator is completely free with no sign-up, no watermark and no usage limits. It runs entirely in your browser.

Does Animated Border Generator upload my data anywhere?+

No. Animated Border Generator runs 100% client-side — everything happens locally in your browser and nothing is sent to a server, so your work stays private.

Can I use the output in commercial projects?+

Absolutely. Anything you create with Animated Border Generator is yours to use in personal and commercial projects with no attribution required.

What you can do with Animated Border Generator

Animated Border Generator speeds up everyday styling for websites, web apps and email templates. Developers and designers use it to generate correct, cross-browser CSS in seconds instead of hand-writing and debugging it.

How to add Animated Border Generator to your website

1Configure Animated Border Generator until the live preview looks right, then click Copy to grab the CSS.
2Paste it into your stylesheet, or wrap it in a <style> tag inside your HTML <head>.
3For inline or React use, drop the properties into a style="…" attribute or a style={{…}} object — or add them to a Tailwind @layer/utility class.

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