JavaScript Formatter & Beautifier
Format, beautify, and clean your JavaScript code instantly. Improve readability, maintain consistency, and make your code easier to debug and share.
About the JavaScript Formatter
JavaScript is one of the most widely used programming languages, but unformatted code can be difficult to debug and maintain. Our JavaScript Formatter automatically applies proper indentation, spacing, and line breaks, making your scripts clean and readable. Perfect for developers, students, and professionals working on web projects.
When Should You Use a JavaScript Formatter?
- Team Collaboration: Ensure consistent code style across projects.
- Debugging: Quickly spot errors in messy or minified code.
- Learning: Helps beginners understand proper coding practices.
- Before Deployment: Clean your scripts before publishing.
Examples
Unformatted Code
function greet(name){console.log("Hello,"+name+"!");}
Formatted Code
function greet(name) {
console.log("Hello, " + name + "!");
}
How to Use the JavaScript Formatter
- Paste your JavaScript code into the input box above.
- Click the Format JavaScript button.
- View the cleaned and indented code in the output box.
- Copy the formatted code or download it for your project.
Why Use Our JavaScript Formatter Online?
Our JavaScript Formatter Online (also called a JS Beautifier or Code Indenter) helps you reformat your scripts instantly. Unlike heavy IDEs, this lightweight tool works directly in your browser — no installation required. Developers use it to beautify, debug, and standardize JavaScript code effortlessly.