# Design System

Browse 7 online design system tools for processing, converting, validating, and managing design system files and data.

> Canonical page: https://elysiatools.com/en/tags/design-system

## Overview

Use 7 Design System tools in your browser to process, convert, validate, and manage design system files and data without installing software.

## Frequently asked questions

### What can I do with Design System tools?

You can process, convert, validate, and manage design system files and data through a browser-based interface.

### Do I need to install software?

No software installation is needed. You can use the Design System tools through your browser.

### How is my data handled?

Your browser submits operations to Elysia Tools servers for processing. Text inputs are not stored, and uploaded files are automatically deleted after 6 hours.

## Tools

- [Accessible Color Palette Contrast Checker](https://elysiatools.com/en/tools/accessible-color-palette-contrast-checker): Audit every color pair in a palette against WCAG 2.1 AA and AAA contrast thresholds and suggest adjustments
- [CSS Fluid Typography Clamp Calculator](https://elysiatools.com/en/tools/css-fluid-typography-clamp-calc): Generate a clamp() expression from min and max viewport and font-size bounds, with copy-ready CSS and preview data
- [ECharts Theme Token Extractor](https://elysiatools.com/en/tools/echarts-theme-token-extractor): Extract design tokens — colors, numbers, font sizes and strings — from an ECharts theme JSON and export them straight into your design system. Paste a theme object (the kind registered via echarts.init(dom, themeName)) and the tool walks every leaf, tagging each color (with optional named/rgb → hex normalization), spacing number, font size and string, then emits clean CSS variables, a Tailwind theme.extend config, Style Dictionary tokens.json, or SCSS variables. Bridges the gap between an ECharts visualization theme and Figma/CSS/Tailwind design tokens without copying each value by hand.
- [Figma Tokens Export](https://elysiatools.com/en/tools/figma-tokens-export): Paste a Figma / Tokens Studio variables JSON and export to Tailwind, shadcn CSS variables, Style Dictionary, or SCSS. Preserves color, spacing and font tokens with type inference.
- [Image Palette to Design Tokens](https://elysiatools.com/en/tools/image-to-design-tokens): Extract a dominant color palette from an image (k-means clustering), then export it as CSS variables, SCSS variables, a Tailwind config, or JSON design tokens — with named colors and an auto-generated shade scale for each
- [Tailwind Color Palette Sync](https://elysiatools.com/en/tools/tailwind-color-palette-sync): Generate theme.extend.colors for tailwind.config.ts from HEX colors, with WCAG contrast levels and optional dark mode.
- [Web Font Pairing Lab](https://elysiatools.com/en/tools/webfont-pairing-lab): Preview a heading + body Google Fonts pairing with weight and line-height controls, and copy a ready-to-paste CSS @import + variables snippet. Curated 22-face registry plus 7 proven pairing presets.

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