JSON Formatter & Code Beautifier is a free online tool that helps you format and beautify JSON, HTML, CSS, and JavaScript code instantly. It converts messy, compressed, or minified code into a clean, readable, and properly structured format for easier editing and debugging.
You can use this tool to improve code readability with proper indentation, spacing, and formatting. It is useful for developers, programmers, students, bloggers, and anyone working with code or structured data.
Our Code Beautifier is fast, lightweight, mobile-friendly, and works directly in your browser without requiring software installation, registration, or signup. Simply paste your code and format it instantly.
The tool supports JSON formatting, HTML beautifying, CSS formatting, and JavaScript code formatting in one convenient place, making it useful for everyday coding and debugging tasks.
Code Beautifier
v2026.3 • Fast & Lightweight
Format and beautify HTML, CSS, and JavaScript code instantly.
HTML
0 characters
Tip:
Select HTML, CSS, or JavaScript and paste your code into the editor.
Then click Beautify Code.