Unminify JS, HTML, CSS, JSON, XML Online

Unminify and beautify your compressed JS, HTML, CSS, JSON, or XML instantly using our browser-based formatter.
Free, Private & Fast.

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How to Unminify JS, HTML, CSS, JSON, XML Online

Using this tool is simple and efficient. Just paste your minified or compressed code into the editor and click the "Unminify" button. The tool will automatically detect the type of code JavaScript, HTML, CSS, JSON, or XML and format it using the appropriate engine. JavaScript, CSS, and HTML are beautified with js-beautify, while XML is handled with vkbeautify. highlight.js is utilized for intelligent input language detection. JSON is parsed and formatted natively. Everything runs 100% locally in your browser no code is uploaded so your privacy is completely protected. Whether you're working with small snippets or large blocks of code, you’ll get fast, clean, and readable results.

Why Use Our Free Online Code Beautifier?

Minified code is difficult to read and nearly impossible to debug. It lacks indentation, spacing, and structure. This unminify tool helps restore the original formatting, making it easier to understand logic, fix errors, or learn from existing scripts. You can use the JS unminify feature to reformat minified JavaScript, or the HTML beautify function to reveal the layout structure of a web page. Similarly, the CSS beautify feature lets you inspect stylesheets, and JSON unminify and XML beautify allow you to work with structured data more clearly. These features make this tool ideal for debugging, code review, reverse engineering, and educational purposes.

Benefits of Our Browser-Based Code Formatter

Unlike traditional desktop applications, this online unminifier works entirely in your browser with no installations or logins required. It’s fast, secure, and always available. The tool supports all major formats used in web development: JavaScript (JS), HyperText Markup Language (HTML), Cascading Style Sheets (CSS), JavaScript Object Notation (JSON), and Extensible Markup Language (XML). Its split and single-view options make code comparison easy, and byte indicators help you track file size before and after beautification.

Work With Minified and Unminified Code Easily

Our free online unminify tool makes it simple to convert minified code into an unminified version that’s easier to work with. Whether you have a tiny CSS code snippet, a long JavaScript HTML project, or a combined JS CSS HTML file, you can paste it into the editor and instantly see a clean, readable format. This improves code comprehension, reduces loading times during testing, and helps with quick edits without the need for complicated software.

The Best Way to Read and Understand Code Online

Reading compressed scripts can be frustrating, especially when dealing with multiple languages like CSS, JavaScript, or HTML. With our tool, you can easily unminify and format your files for better readability. The unminify button is your one-click solution for restoring indentation and spacing, making it perfect for developers who want a free tool that works directly in the browser without any setup. You can now examine the structure and logic of your code in a more organized way.

No Setup, No Sign-Up, Just Paste and Beautify

Sometimes you just need a quick way to clean up a messy code block without opening an IDE or downloading a plugin. This web-based solution is perfect for those quick tasks. It supports JS, HTML, CSS, JSON, and XML beautification. The interface is designed for speed and simplicity just paste, click, and your unminified code is ready. And since nothing is stored or transmitted, your code stays safe and private at all times.

Free Tool for Web Development Efficiency

If you are looking for a tool to reformat minified CSS, minify HTML for production, or unminify code for debugging, our platform is the ideal solution. The free online editor works on any device and supports various code types, including JavaScript JS, CSS code, HTML templates, and XML feeds. It’s perfect for anyone who wants to optimize their workflow and produce a cleaner version of their code without downloading bulky software.

Improve Your Workflow and Save Time

Whether you are a beginner exploring the structure of websites or a professional looking to speed up your debugging process, this unminify tool offers an efficient way to format code. By generating an unminified version of your script, you can spot errors faster, understand third-party code better, and prepare files for collaboration. It’s a free, browser-based solution designed for quick, hassle-free code formatting.

Perfect for Developers, Students, and Tech Enthusiasts

This tool is designed with all user levels in mind. Beginners can use it to explore how web code is structured, while experienced developers will appreciate how quickly it reveals the logic behind compressed files. If you're studying how websites or applications are built, the tool helps you visualize how markup and styles work together. If you’re debugging a REST API, the JSON unminify function improves readability. For XML data, often used in configuration files or feeds. Whether you're a student analyzing code samples or a hobbyist editing a one-liner function, this formatter simplifies your workflow.