Tailwind Config Converter
Instantly transform your tailwind.config.js into production-ready Tailwind v4 @theme CSS blocks.
Input: v3 Config
Output: v4 @theme
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Instant v4 conversion
Professional Tailwind Config Converter
for Tailwind CSS v4
Seamlessly migrate your Tailwind CSS v3 configuration to the new v4 @theme directive. Convert your colors, fonts, and spacing into native CSS variables for the future of Tailwind.
Why Designers Love This Tool
Achieving production-ready results shouldn't take hours. Our tool handles the complexity of Tailwind v4 so you can focus on building beautiful products.
- Visual real-time editing
- Instant CSS & Tailwind v4 export
- Responsive and accessible outputs
- No login required — 100% Free
Common Use Cases
Industry professionals use our Tailwind Config Converter for a variety of high-end frontend tasks.
Advanced Features
Full Tree Parsing
Recursively handles nested objects in your color and theme config.
v4 Engine Sync
Outputs the exact syntax required for the new Tailwind compiler.
Preserves Names
Maintains your custom naming conventions while updating the format.
Frequently Asked Questions
Why move away from tailwind.config.js?
Tailwind v4 is moving towards a 'CSS-first' approach. By putting your config in CSS, you get better performance, faster builds, and a much simpler way to handle dark mode using native variables.
What happens to my custom plugins?
This tool focuses on your theme (colors, spacing, etc.). For custom plugins, you'll likely want to move those into standard CSS components or v4's new @utility directive.
Can I use the generated code in React or Next.js?
Yes. The output consists of standard CSS or Tailwind utility classes that work seamlessly across all modern frameworks including React, Next.js, Vue, and Svelte.
Why This is the Best Tailwind Config Converter
When Tailwind v4 launched, there was no dedicated tool to migrate old config files. I found myself pasting my config into ChatGPT over and over, wasting tokens and getting back broken CSS syntax. That's when I decided to build this.
Our converter flattens your nested v3 objects into clean, standardized v4 CSS variables automatically. It's the only dedicated tool that handles the specific nuances of the v4 @theme directive, saving you hours of manual debugging and thousands of AI tokens during a migration.