Free JavaScript Formatter & Beautifier Tool

Enhance readability and structure of JavaScript code with the Free JavaScript Formatter & Beautifier Tool.

Input JavaScript
Formatted JavaScript

Outgrown your testing tools?

Load test websites and APIs from 25 cloud regions, monitor page speed and uptime, and get AI analysis that explains your results in plain English.Start for free→
JMeter load test results: virtual users and response times over time

Is your website ready for traffic spikes?

Run a free cloud load test in minutes and see how your site behaves under pressure. No credit card needed.

Run a free load test

Get dev tips and new free tools by email