Free CSS & JS Unminifier Tool
Convert compressed CSS and JavaScript into clean, properly formatted, and human-readable code in one click. Perfect for debugging, learning, and code maintenance. Processes safely in your browser.
📂 Formatted Beautified Output
🔧 Formatting Options
📊 Formatting Stats
98/100
Code Complexity: LowWhy Unminify Your CSS & JS Files?
Formatting minified code makes debugging, learning, and customization faster and cleaner.
Easy to Read
Transforms compressed blocks into readable indented blocks with proper spacing.
Better Debugging
Locate exceptions, inspect functions, and review styles easily by restoring proper line numbers.
Faster Development
Save time diagnosing third-party libraries and code snippets by beautifying them instantly.
Secure Offline Processing
Code stays inside your browser tab. We never transmit or store your inputs on servers.
How The Unformatter Works
Follow these simple steps to unminify compressed asset assets.
Paste or Upload
Paste your minified scripts in the editor or drag/upload files.
Click Unminify
Configure indentation preferences and press Unminify Code.
Download Result
Review readability results, copy formatted lines, or download files.
Online CSS & JS Beautifier & Code Formatter
Minified assets save loading bytes but make troubleshooting stylesheets and debugging script exceptions practically impossible. Using our CSS unminifier and JavaScript unminifier, you can convert compacted inline code blocks into clean, properly nested source files. Our online code formatter restores nested structures, spaces variables, and inserts line endings.
Unminify CSS & JS up to 10 MB Locally
Our readable CSS generator and readable JavaScript generator are engineered for high performance. They process large source files (up to 10MB) entirely within your local browser sandbox, removing latency lag and protecting proprietary code scripts from database storage leaks at WPErrorFixer.
Frequently Asked Questions
Find answers to common questions about our CSS & JS Unminifier.