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CSS Formatter

Beautify unformatted CSS stylesheets with clean rule indentation, normalized property spacing, and comment preservation.

Shortcuts: Ctrl+Enter (Cmd+Enter) to format instantly.

How to Use the CSS Formatter

  1. Paste unformatted, compressed, or raw CSS code into the Raw CSS Input box.
  2. Choose your desired indentation size (2 spaces, 4 spaces, or Tabs).
  3. Click Format CSS or press Ctrl+Enter.
  4. Copy formatted CSS with the Copy Output button or download it as .css.
100% Client-Side Privacy: Your data is processed locally in your browser and is not uploaded to our servers.

Online CSS Formatter: Beautify Cascading Style Sheets & Clean CSS Rules

The Todoal CSS Formatter is a high-speed, browser-native developer utility engineered to clean, beautify, and standardize unformatted, minified, or messy CSS stylesheets. When extracting CSS from production bundles, working with legacy codebases, or collaborating across frontend teams with varying editor configs, unformatted stylesheets can quickly become unreadable. This tool restructures raw CSS text into clean, beautifully indented selector blocks with standardized property alignment and customizable indentation (2 spaces, 4 spaces, or tabs).

Unlike basic string replacers that break inside CSS custom properties or comments, our tokenizer safely preserves multi-line block comments (/* ... */), custom CSS variables (--brand-primary), complex data URIs, and modern at-rules like @container, @media, and @keyframes.

Hierarchical At-Rule & Nested Indentation

Maintains proper indentation depth across deeply nested media queries, container queries, animation keyframe stops, and modern CSS nesting syntax with clean vertical alignment.

Protected Comments, Variables & URLs

Preserves author copyright comments, CSS design tokens, quoted font family names, and base64 background image data URLs without corrupting inner syntax or escaping characters.

Instant Production Minification Toggle

Effortlessly switch between expanded readable stylesheets for local debugging and ultra-compressed single-line bundles for deployment optimization and network payload reduction.

100% Client-Side Privacy & Zero Relays

All CSS beautification executes strictly in browser memory. No stylesheet data or proprietary layout code is ever transmitted to external servers or logged in remote telemetry.

🎨Stylesheet Architecture & Code Cleanliness

The Complete Guide to CSS Formatting, Beautification & Linting

Learn how standardized indentation, selector organization, CSS custom property protection, and automated code formatting maintain long-term frontend codebases.

🔍 Debugging Compressed & Legacy Stylesheets

When maintaining enterprise software or auditing third-party UI packages, you frequently encounter tangled, minified, or single-line CSS rules. Trying to find a broken z-index or selector specificity conflict without formatting wastes hours of developer time.

Our client-side CSS Formatter restores standard indentation, expands grouped selectors onto individual lines, aligns declarations, and protects complex CSS modern features like calc(), clamp(), and CSS variables.

🛡️ Zero-Server Local Processing Sandbox

Formatting internal corporate stylesheets or proprietary design tokens should never require uploading source code to third-party web servers.

Todoal executes all CSS parsing and AST tokenization 100% in your local browser sandbox. No source files or design properties are ever logged, analyzed, or sent across network endpoints.

Connected Web Development & Design Suite

Integrate CSS formatting seamlessly into your daily frontend build and optimization sprint:

👀 Real-Time Visual Testing

Render and inspect how your formatted styles render live on interactive DOM elements with the CSS Previewer.

🗜️ Production Payload Compression

Before deploying to production CDN servers, squeeze rule declarations and strip whitespace using the CSS Minifier.

💡 Visual UI Component Generators

Craft layered elevation with CSS Box Shadow Generator, create squircle corners using CSS Border Radius Generator, and build color ramps with Gradient Generator.

🌐 Full-Stack Code Cleanliness

Format HTML markup via HTML Formatter, format scripts with JavaScript Formatter, and sample colors with Color Picker.

Standard Declaration Ordering for High-Velocity Teams

1. Positioning & Layout: display, position, top, right, flex, grid, z-index
2. Box Model & Dimensions: width, height, max-width, margin, padding, border
3. Typography: font-family, font-size, font-weight, line-height, color, text-align
4. Visual & Effects: background, box-shadow, border-radius, opacity, transition
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Frequently Asked Questions

Everything you need to know about this browser tool and privacy.

How does the Todoal CSS Formatter organize nested rules and media queries?
The formatting engine tracks opening and closing curly braces ({ and }) hierarchically, indenting nested @media queries, @keyframes, @supports rules, and nested CSS selector blocks while preserving clean line breaks between top-level rule sets.
Are comments, CSS variables, and data URLs preserved during formatting?
Yes. Block comments (/* ... */), CSS custom properties (--var-name: value;), quoted strings, and data URLs inside url(...) declarations are tokenized and protected so their inner text and formatting remain unaltered.
Can this CSS Formatter handle minified single-line stylesheets?
Yes. You can paste large, compressed, or minified single-line CSS files. The formatter expands declarations onto individual indented lines, standardizes colon and semicolon spacing, and structures selectors for maximum human readability.
Is there any file size limit or server latency when formatting CSS?
No. The tool processes stylesheets locally in your browser memory using high-speed tokenization. It can format multi-megabyte stylesheets virtually instantaneously without network latency.
Does the CSS formatter make external network requests or upload my code?
No. All CSS tokenization, indentation, and formatting occur 100% locally in your client browser session. No stylesheet code, proprietary brand rules, or asset URLs are ever transmitted to external servers.
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