A lightweight library to generate Tailwind CSS styles at runtime without the need for a build step.
npm install tailwind-css-generator// Option 1: Basic version (Recommended - 62% smaller)
import generateTailwindBasic from "tailwind-css-generator/basic";
// Option 2: Full version (All utilities)
import generateTailwindCss from "tailwind-css-generator";
// Generate styles
generateTailwindBasic(); // or generateTailwindCss()
function App() {
return (
<div className="flex items-center justify-center min-h-screen">
<div className="p-6 bg-white rounded-lg shadow-lg">
<h1 className="text-2xl font-bold text-gray-800">Hello Tailwind!</h1>
</div>
</div>
);
}// CommonJS
const generateTailwindCss = require("tailwind-css-generator");
// ES Modules
import generateTailwindCss from "tailwind-css-generator";
import generateTailwindBasic from "tailwind-css-generator/basic";// Full version
import generateTailwindCss from "tailwind-css-generator";
// Basic version
import generateTailwindBasic from "tailwind-css-generator/basic";// If you need to specify exact file
import generateTailwindBasic from "tailwind-css-generator/basic.esm.js";<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="https://cdn.jsdelivr.net/npm/tailwind-css-generator@4.0.0/index.min.js"></script>
</head>
<body>
<h1 class="text-3xl font-bold underline">
Hello world!
</h1>
<script>
// Styles are automatically generated and injected
window.generateTailwindCss && window.generateTailwindCss();
</script>
</body>
</html><!doctype html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="https://cdn.jsdelivr.net/npm/tailwind-css-generator@4.0.0/basic.min.js"></script>
</head>
<body>
<div class="flex flex-col gap-4 p-6 max-w-md mx-auto">
<h1 class="text-xl font-bold">Basic Version</h1>
<div class="grid grid-cols-2 gap-2">
<div class="p-4 bg-blue-100">Item 1</div>
<div class="p-4 bg-green-100">Item 2</div>
</div>
</div>
<script>
window.generateTailwindBasic && window.generateTailwindBasic();
</script>
</body>
</html>import generateTailwindCss, { generateTailwindCssString } from "tailwind-css-generator";
// Custom configuration
const config = {
theme: {
extend: {
colors: {
primary: "#1234567",
secondary: "#abcdef"
}
}
},
corePlugins: {
float: false, // Disable specific plugins
clear: false
}
};
// Generate and inject styles with custom config
generateTailwindCss(config);
// Or just generate CSS string without injecting
const cssString = generateTailwindCssString(config);
console.log(cssString);import generateTailwindBasic, { generateTailwindCssStringBasic } from "tailwind-css-generator/basic";
// Custom configuration for basic version
const config = {
theme: {
extend: {
colors: { brand: "#ff0000" }
}
}
};
// Generate basic styles
generateTailwindBasic(config);
// Or get basic CSS string
const basicCssString = generateTailwindCssStringBasic(config);
console.log(`Basic CSS size: ${basicCssString.length} characters`);import generateTailwindCss from "tailwind-css-generator";
// Generate multiple instances with different IDs
generateTailwindCss({ id: "main-styles" });
generateTailwindCss({
id: "custom-styles",
theme: {
extend: {
colors: { brand: "#ff0000" }
}
}
});Main function that generates and injects complete Tailwind CSS styles into the document.
Parameters:
options(Object, optional): Configuration optionsid(string): Unique identifier for the style tag (default: "tailwind-css")theme(Object): Theme configurationvariants(Object): Variants configurationcorePlugins(Object): Enable/disable core pluginsprefix(string): Class prefix
Lightweight function that generates essential Tailwind utilities (62% smaller).
Parameters: Same as full version
iddefault: "tailwind-css-basic"
Generates complete Tailwind CSS string without injecting it into the document.
Returns: CSS string (~22.6MB, 23M characters)
Generates basic Tailwind CSS string without injecting it into the document.
Returns: CSS string (~2.5MB, 2.6M characters - 89% smaller)
Utility function to process configuration options.
src/
├── index.js # Main entry point
├── config/ # Default configuration
├── generators/ # CSS generators for each utility
└── utils/ # Utility functions
# Install dependencies
npm install
# Build all formats
npm run build
# Build specific formats
npm run build:cjs # CommonJS
npm run build:esm # ES Modules
npm run build:min # Minified
npm run build:types # TypeScript definitionsindex.js- CommonJS build (Full version)index.esm.js- ES Modules build (Full version)index.min.js- Minified build for CDN (Full version, ~95KB)basic.esm.js- ES Modules build (Basic version)basic.min.js- Minified build for CDN (Basic version, ~35KB)index.d.ts- TypeScript definitions
- Bundle Size: 35KB minified (62% smaller)
- Generated CSS: 2.5MB (89% smaller)
- Utilities: 1,036+ utility classes
- Responsive: Full responsive support (sm, md, lg, xl, 2xl)
- Use when: Building typical web apps, dashboards, mobile apps
- Includes: Display, spacing, flexbox, grid, sizing, positioning, layout essentials
- Perfect for: 90% of common UI patterns
✅ What's included:
- Layout utilities (display, position, z-index)
- Spacing (margin, padding, gap)
- Flexbox (direction, justify, align, grow, shrink)
- Grid (template, column/row spans, auto-columns/rows)
- Sizing (width, height, min/max)
- Layout extras (overflow, aspect-ratio, container, order)
❌ What's NOT included (use Full version for these):
- Colors (text, background, border colors)
- Typography (font-size, font-weight, line-height)
- Borders (border-width, border-radius, border-style)
- Effects (shadows, blur, opacity)
- Transforms (rotate, scale, translate)
- Animations and transitions
- Bundle Size: 95KB minified
- Generated CSS: 22.6MB (complete set)
- Use when: Need complete Tailwind utilities (colors, typography, effects, etc.)
- Includes: All Tailwind CSS utilities
- Perfect for: Complex designs requiring full Tailwind feature set
| Version | Minified Size | Use Case |
|---|---|---|
| Basic | 35KB | Essential layouts, most projects ✅ |
| Full | 95KB | Complete utility set |
| Version | CSS Size | Characters | Reduction |
|---|---|---|---|
| Basic | 2.5MB | 2.6M chars | 88.9% smaller ✅ |
| Full | 22.6MB | 23.1M chars | Complete set |
Basic version covers ~90% of common use cases with 62% smaller bundle and 89% less generated CSS!
This library works in all modern browsers and Node.js environments.
ISC