JS Beautifier

Format and indent JavaScript for readability.

JavaScript input

Formatted output

Formatted JS will appear here.

What is JS Beautifier?

Formats minified or messy JavaScript with indentation and line breaks. Simple formatter; may not handle all edge cases.

1. Paste JavaScript in the input.

2. Click Beautify to get formatted code.

Minify CSS code.

Format and beautify CSS.

Minify JavaScript code.

Minify HTML by removing comments and extra whitespace.

Generate common SEO meta tags for a page.

Generate a robots.txt file for your site.

Format, validate, and beautify JSON with syntax highlighting.

Test regular expressions and highlight matches.

Encode text to Base64.

Generate UUID v4 identifiers.

Decode and inspect JWT header and payload.