Code Formatter In-Browser

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🧩 Code Formatter & Beautifier

Paste code below, choose a language, and hit Format. Supports HTML, XML, CSS, JavaScript and JSON. Everything runs in your browser — nothing is uploaded.

Tab size
Output
Formatted code will appear here.
— lines — chars — size

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About Code Formatter

This free online code formatter supports HTML, XML, CSS, JavaScript and JSON. It beautifies minified or unformatted code for readability, or minifies it to reduce file size. Syntax highlighting helps you spot errors quickly. All formatting is done entirely in your browser — your code is never sent to any server.