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1Introduction
The JS formatter can reformat compressed or messy JavaScript code, adding appropriate indentation and line breaks to conform to standard code style. Whether it's scripts copied from other websites or compressed JS files, it can quickly organize them into an easily readable and modifiable format. This tool runs entirely locally in the browser, no need to upload code to the server, protecting your privacy. It supports handling ES6+ syntax, arrow functions, template strings, and other modern JavaScript features, preserving all original meaning after formatting. Suitable for front-end developers, full-stack engineers, and all users who need to organize JavaScript code. Free to use with no limits, it is an indispensable efficiency tool in your daily development.
2How to Use
Paste JS Code
Paste the JavaScript code to be formatted into the left input box.
Click to Format
Click the 'Format JS' button, and the tool will automatically organize indentation and line breaks.
Copy Result
After formatting is complete, click the 'Copy Result' button to copy to the clipboard.
3FAQ
Does the JS formatter support the latest JavaScript syntax?
Supported. The tool's built-in parser is based on the latest ECMAScript standard and can handle modern syntax such as ES6, ES7, including arrow functions, classes, template strings, etc.
Does formatting code affect performance?
No. Formatting only adjusts whitespace characters and does not change code logic, so it has no impact on code execution performance.
