Code Beautifier & Formatter

Beautify and minify JSON, JavaScript, CSS, HTML, and SQL. 100% browser-based — no server uploads.

Indent Size: Sort Keys (JSON): Minify:

Input

Beautified Output

How to Use Code Beautifier

Supported Languages

JSON: Parse and pretty-print with configurable indent. Detects syntax errors. Optional key sorting for stable diffs.

JavaScript: Re-indent JS code using brace-based heuristics. Handles arrow functions, object literals, and nested blocks.

CSS: Format CSS rules with one property per line. Adds spacing after colons and around braces.

HTML: Indent HTML tags with proper nesting. Handles void elements and nested attributes cleanly.

SQL: Uppercase keywords (SELECT, FROM, WHERE…), indent subqueries, and add newlines after major clauses.

How It Works - Paste your messy code (JavaScript, Python, HTML, CSS, or JSON) into the input area. The beautifier automatically formats and indents your code with proper spacing and line breaks. Choose your preferred indentation style (spaces or tabs) and size.

Frequently Asked Questions

What programming languages are supported?

We support JavaScript, Python, HTML, CSS, JSON, and many more with proper syntax handling.

Does it minify code?

No, this beautifier makes code more readable. Use our JSON formatter for minification.