JavaScript Formatter

Online JavaScript formatters are web-based applications that can be used to format JavaScript code. They are a valuable tool for anyone who develops or maintains JavaScript applications.

What is JavaScript Formatter tool used for?

An online JavaScript formatter is a tool that can be used to format JavaScript code. It is a web-based application that does not require any software to be installed on your computer.

To use an online JavaScript formatter, simply paste your JavaScript code into the input field and click on the "Format" button. The formatter will then output the formatted JavaScript code.

Online JavaScript formatters are free and easy to use. They are a valuable tool for anyone who develops or maintains JavaScript-based applications.

Here are some of the benefits of using an online JavaScript formatter:

  • Improves readability: Online JavaScript formatters can improve the readability of JavaScript code by indenting code blocks, aligning statements, and adding line breaks. This can make it easier to understand and debug JavaScript code.
  • Aids in debugging: Online JavaScript formatters can help to identify errors in JavaScript code by highlighting syntax errors and inconsistent formatting. This can make it easier to find and fix errors.
  • Makes code easier to maintain: Online JavaScript formatters can make JavaScript code easier to maintain by keeping it consistent and easy to read. This can save time and effort when making changes to JavaScript code.

Here are some of the drawbacks of using an online JavaScript formatter:

  • Can remove comments: Some online JavaScript formatters will remove comments from JavaScript code. This can make it more difficult to understand the purpose of JavaScript code.
  • Can change the original intent: Some online JavaScript formatters will change the original intent of JavaScript code by reordering statements or changing the order of arguments. This can cause unexpected results.


Overall, online JavaScript formatters are a valuable tool for improving the readability, debugging, and maintenance of JavaScript code. However, it is important to be aware of the potential drawbacks of using an online JavaScript formatter.

When choosing an online JavaScript formatter, it is important to consider your needs and requirements. If you are looking for a simple and easy-to-use formatter, JS Beautifier is a good choice. If you are looking for a powerful formatter that can format JavaScript code in a variety of styles, Prettier is a good choice. If you are looking for a formatter that is integrated with a web-based code editor, CodePen is a good choice.

Overall, online JavaScript formatters are a valuable tool for improving the readability, debugging, and maintainability of JavaScript code. If you are working with JavaScript code on a regular basis, I encourage you to try using an online JavaScript formatter.

Here are some additional benefits of using an online JavaScript formatter:

  • Reduces errors: By making JavaScript code more readable, online JavaScript formatters can help to reduce errors in code. This can save time and money in the long run.
  • Improves collaboration: When JavaScript code is formatted consistently, it is easier for multiple developers to collaborate on a project. This can lead to faster development times and better code quality.
  • Increases code reuse: When JavaScript code is formatted consistently, it is easier to reuse code in other projects. This can save time and effort in the long run.

If you are working with JavaScript code, I encourage you to try using an online JavaScript formatter. It is a simple way to improve the readability, maintainability, and quality of your code.