Free Online JavaScript Formatter | Format JS Code

Quick Guide

Step 1: Paste your JavaScript code into the input area
Step 2: Click Format JS to beautify the code
Step 3: Review the properly indented output
Step 4: Copy the formatted JavaScript

What is JavaScript Formatter?

JavaScript Formatter prettifies minified or messy JavaScript code. See also: js-beautifier-minifier or json-formatter.

How It Works

Enter or paste your code or data into the input area, configure any options, and click the process button. The tool parses, transforms, or validates your input using built-in algorithms and displays the result instantly. You can copy the output or download it as a file.

Use Cases

Developers formatting code before committing to a repository
Teams validating JSON, XML, or SQL before deploying to production
Students learning programming who need to check their code output

Frequently Asked Questions

What does the JavaScript Formatter do?

It processes your code or data in the browser, providing instant formatting, validation, or conversion results.

Is my code sent to a server?

No, all processing is done client-side. Your code stays on your device.

Can I use it on mobile?

Yes, the tool is fully responsive and works on smartphones and tablets.

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