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CSS Variables Live Editor

Edit and preview CSS variables (--custom-properties) in real time. Apply changes instantly to live elements and export updated styles as CSS or JSON. Ideal for theming, prototyping, and managing design tokens in your project.

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CSS Variables Editor

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Generated CSS

/* Your CSS will appear here */

Live Preview

CSS Variables Demo

Edit variables in the left panel to see changes here in real-time.

This is a demo element styled with CSS variables

Presets

Key Features

Live Variable Editing

Update `--css-variables` and see changes instantly reflected in preview elements.

Theme Builder

Manage colors, font sizes, spacings, and more — all using CSS variables.

CSS + JSON Export

Export your updated variables as usable CSS or structured JSON for integration.

Light/Dark Mode Support

Create and toggle light/dark mode themes using the same variable structure.

Design Token Support

Structure your variables with token naming conventions like `--color-primary`, `--font-base`.

Frequently Asked Questions

CSS variables (custom properties) are reusable values defined in CSS using the `--` syntax, useful for theming and consistency.

Yes! Any updates you make will immediately reflect in the live preview section.

Yes, you can export your final list of variables as CSS or JSON for use in projects or design systems.

CSS variables are supported in all modern browsers, including Chrome, Firefox, Edge, and Safari.

Nope! It’s fully browser-based and completely free to use.

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Tool Details
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