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Online CSS Utility

CSS Variable Generator

Build a :root design-token set by category and export as CSS variables, SCSS or JSON.

100% Browser-Based — CSS never uploads to our servers. All processing runs locally in your browser.

Tool Options

Preview swatches

Results

Results will appear here…

How It Works

Fast CSS utilities that run entirely in your browser.

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Paste or design

Paste CSS, upload a .css file, or use the visual controls. Nothing is uploaded to our servers.

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Process in browser

All parsing and generation runs locally in your browser — 100% client-side.

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Copy or download

Export CSS, TXT, JSON, HTML examples, and more instantly.

Zero server upload — your CSS stays on your device.

About CSS Variable Generator

Create CSS custom properties for colors, typography, spacing, radius, shadow and animation. Export CSS, SCSS and JSON — free browser tool. Built for frontend developers with live preview, copy and multi-format export.

FAQs

No. All CSS tools process your content in the browser. FreeConverter servers never receive your CSS.

Yes. FreeConverter.app online CSS tools are free to use.

No account or installation is required.