CSSFree
CSS Validator
Find the CSS mistakes that ship: a missing colon, an unclosed rule, a value that is not there, a duplicate property, a prefix with no standard property.
2:2 problem "background red" has no colonScanner →WordPress Generators & Developer Tools
Production-tested code generators, converters and formatters crafted for modern WordPress engineers and agency teams. 100% free and executed client-side.
Tools
UNITSFree
CSS Font Size & Unit Converter
Convert one CSS length into every other unit, with the context each relative unit depends on stated rather than assumed.
2rem → 32px · 24pt · 2.5vwCSS Values 4 →CSSFree
CSS Triangle Generator
Draw a triangle with the border trick and with clip-path, side by side, since one is a box that can carry a gradient and the other is not a box at all.
border-bottom: 14px solid #1e56ec;CSS →CSSFree
CSS Transform Generator
Build a transform with live preview against where the element started, and get the same thing as the individual translate, rotate and scale properties.
transform: translate(12px, -8px) rotate(6deg);CSS →CSSFree
CSS to Tailwind Converter
Turn CSS declarations into Tailwind utility classes, with an arbitrary value where no utility exists and a count of which is which.
padding: 16px → p-4Tailwind scale →CSSFree
CSS Minifier
Minify CSS in your browser: comments removed, whitespace collapsed, last semicolons dropped, strings and url() values left exactly as written.
a { color: red; } → a{color:red}CSS →CSSFree
CSS Loading Spinner Generator
Four loading indicators in CSS, each with the reduced-motion rule and the role=status markup that decide whether anybody else knows the page is working.
animation: spinner-turn 900ms infinite linear;CSS →CSSFree
CSS Grid Generator
Build a grid with real cells: equal columns, a responsive auto-fit track list, or your own template, with a spanning feature cell.
grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));CSS Grid 1 →CSSFree
CSS Gradient Generator
Build a linear, radial or conic CSS gradient with live preview, a flat colour fallback, and the stop control that decides where the blend happens.
background-image: linear-gradient(135deg, #1E56EC 0%, #0B1020 100%);CSS Images →CSSFree
CSS Formatter
Expand minified or messy CSS into readable rules: one declaration per line, nested blocks indented, comments and strings preserved.
a{color:red} → a {\n color: red;\n}CSS →Intuitive Workflow
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$ uploaded: 0 bytesWordPress-Style PHP
Generated code uses translatable labels, safely quoted values and the core hooks WordPress expects.
$ add_action( 'init', 'register_book' );Copy, Download or Share
Copy the result, download a ready file, or share a link that restores your settings.
$ download wp-config.php