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CSS gradient builder

Pick linear, radial or conic and shape the gradient with native color inputs, alpha and position sliders, and add/remove/reorder controls for the stops — the full-width preview and the CSS update live. The output uses the modern syntax, with a toggle for oklch interpolation (browser support noted). Start from a preset if you like.

Privacy ledger

Data acquired None.
Libraries used Lit 3 — bundled into the tool file itself.
Data stored None.
Data transmitted None.

Use it on your own page

Download the tool as a single self-contained HTML file: readable source with the Lit library included, zero network requests — it works opened straight from your disk, and you can customize everything.

Prefer the hosted widget? One script tag embeds it and stays up to date:

<script type="module" src="https://uuutil.com/tools/css-gradient.js"></script>
<uu-css-gradient lang="en"></uu-css-gradient>

Source license: MIT — free to use, modify and redistribute; keep the license notice in copies.