CSS to Tailwind Converter
Free online CSS to Tailwind converter. Paste plain CSS rules and instantly get equivalent Tailwind utility classes. 100% client-side.
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What is CSS to Tailwind Converter?
CSS to Tailwind Converter is an in-browser tool that parses standard CSS rule blocks and maps each declaration to its equivalent Tailwind CSS utility classes. It handles the most common properties - layout (display, position, flex, grid), spacing (margin, padding, gap), typography (font-size, font-weight, line-height, letter-spacing), borders, border-radius, colors, shadows, opacity, and transitions. Declarations without a direct Tailwind match are surfaced with arbitrary value suggestions so nothing is lost.
Key Benefits
- Faster migration from hand-written CSS to Tailwind
- Automatic mapping for 30+ common properties
- Arbitrary value hints for unmappable declarations
- Copy-ready class strings per block
Common Use Cases
- •Migrating a legacy CSS codebase to Tailwind
- •Learning which Tailwind utilities map to which CSS
- •Auditing CSS for direct utility class equivalents
- •Refactoring component stylesheets
How to Use the CSS to Tailwind Converter
- Paste your CSS: Paste one or more CSS rule blocks (selector plus curly-brace body) into the input box.
- Review the output: Each rule block appears on the right with its equivalent Tailwind utility classes listed as chips.
- Check unmapped properties: Any declaration that has no direct Tailwind equivalent is listed with an arbitrary value suggestion like [font-size:13px].
- Copy classes: Use Copy under a single block, or Copy all to copy every selector with its class string.
Key Features
- Maps 30+ common CSS properties to Tailwind utility classes
- Parses multiple CSS rule blocks in one paste
- Directional padding and margin (pt, pr, pb, pl, mt, mr, mb, ml)
- Arbitrary value passthrough for hex and rgb/rgba colors
- Highlights unmapped properties with arbitrary value hints
- 100% client-side, no data sent to server
Frequently Asked Questions
How does the CSS to Tailwind converter work?
It parses each CSS rule block into declarations, then matches each property against a built-in mapping table that returns the equivalent Tailwind utility classes for common values.
What happens to properties that cannot be mapped?
Any declaration without a direct Tailwind equivalent is listed under Unmapped properties with an arbitrary value suggestion (e.g. [font-size:13px]) so you never lose information.
Does it support media queries and pseudo-classes?
The converter focuses on declarations inside rule blocks. Media queries and pseudo-class selectors are not translated; use Tailwind responsive prefixes and variant modifiers (hover:, md:) manually.
Is my CSS sent to a server?
No. The conversion runs entirely in your browser. Nothing is uploaded, stored, or logged on any server.