What is JS Formatter?
JavaScript Formatter beautifies minified JS code with proper indentation and line breaks. Also detects syntax errors. A great helper for frontend debugging.
How to Use JS Formatter?
- Paste minified or obfuscated JavaScript
- Click format button
- Get beautified code
Common Use Cases
- Read minified frontend code
- Format JS files from CDN
- Format code during code review
Why Choose JieBang JS Formatter?
- 100% free, no signup required
- Data stays in your browser, completely private
- Works on any device, instant access
Frequently Asked Questions
What is a regex tester?
A regex tester lets you write and test regular expressions against sample text in real-time, highlighting matches as you type.
How to test an API endpoint?
Enter the URL, select HTTP method (GET/POST/PUT/DELETE), add headers and body, then click Send. JieBang's API Tester shows the response instantly.
Are developer tools free?
Yes, all JieBang developer tools are 100% free — JSON formatter, Base64 encoder, regex tester, API tester, cron validator, and more.