CSS to Tailwind Converter

Click "Convert" to see Tailwind classes

What is a CSS to Tailwind Converter?

A CSS to Tailwind converter is a developer tool that translates traditional CSS property-value pairs into equivalent Tailwind CSS utility classes. Instead of manually looking up every Tailwind class name when migrating a project or learning Tailwind, paste your CSS and get instant class names. The converter handles layout, spacing, typography, colors, borders, flexbox, grid, and effects — over 100 CSS properties in total.

How It Works

Paste your CSS code into the input area (either full rulesets with selectors or just property-value pairs). The converter parses each CSS declaration and maps it to the corresponding Tailwind utility class. Properties that map to Tailwind's default scale use named classes (like p-4 for padding: 16px). Values outside the default scale use Tailwind's arbitrary value syntax (like w-[175px]). Any properties without a direct Tailwind equivalent are listed separately so you know what needs custom CSS.

Features

• 100+ CSS Properties — Layout, flexbox, grid, spacing, typography, colors, borders, effects, transforms, and more
• Full Selector Support — Handles class rules (.card { }), ID rules (#header { }), or bare declarations
• Shorthand Expansion — Decomposes padding, margin, border shorthands into individual Tailwind classes
• Smart Value Mapping — Exact values map to named classes; custom values use arbitrary syntax
• Unconverted Tracking — Properties without a Tailwind equivalent are flagged with explanations
• Sample Presets — Try common patterns: card, button, navbar, grid layout, form input
• Copy Output — One-click copy of generated Tailwind classes
• 100% Private — All processing happens in your browser; no data is ever uploaded

Why Use This Tool?

• AI Cannot Do This Reliably — LLMs hallucinate Tailwind classes, forget spacing values, or generate invalid combinations. This tool uses a deterministic mapping table that is always correct.
• Privacy Safe — Everything runs in your browser; your CSS never leaves your device
• No Signup Required — Free for everyone, no account, no limits, no tracking
• Migration Accelerator — Convert legacy CSS to Tailwind 10x faster than manual lookup

Common Use Cases

• Migrate a Bootstrap or custom CSS project to Tailwind CSS
• Learn Tailwind class names by pasting familiar CSS properties
• Quickly convert a component's CSS to inline Tailwind classes
• Generate Tailwind configurations from existing design system CSS

Frequently Asked Questions

Is this CSS to Tailwind converter free?

Yes, completely free. No signup, no usage limits, no hidden paid features. Every feature including all sample presets, converters, and copy functionality is available to everyone forever.

What CSS properties are supported?

Over 100 properties including: display, position, overflow, visibility, box-sizing, flexbox (direction, wrap, justify, align, gap), grid (columns, rows), spacing (margin, padding, width, height), typography (font-size, weight, style, family, text-align, decoration, transform), colors (color, background-color, border-color), borders (width, style, radius), effects (opacity, box-shadow, cursor, transition, transform), and more.

What happens if a CSS value has no Tailwind equivalent?

Properties without a direct Tailwind class are listed in the "Unconverted" section. The converter tries to use arbitrary value syntax [value] for custom values that don't match Tailwind's default scale. For properties that genuinely have no Tailwind equivalent (like backdrop-filter), they are flagged so you can add custom CSS.

Does it support Tailwind v4?

Yes, the converter generates classes compatible with both Tailwind v3 and v4. The core utility class names are the same. If a property or value differs between versions, the converter notes it in the unconverted section.

Is my CSS data safe?

Yes, 100%. All processing happens locally in your browser using client-side JavaScript. No CSS code is sent to any server, stored, logged, or transmitted. You can even use this tool offline after the first page load.

Can I convert full stylesheets?

Yes, paste any CSS content including full stylesheets with multiple selectors. The converter extracts all declarations and converts each one individually. For best results, paste one component's CSS at a time to review output accuracy.