React Formatter

React lets you describe user interfaces directly in JavaScript using JSX, a markup-like syntax that works alongside JavaScript expressions. Because JSX combines HTML-style elements with JavaScript code, poorly formatted React components can become difficult to read and maintain.

In a large component, inconsistent indentation, long attributes, nested elements, and conditional expressions can quickly make the code difficult to follow. A formatter organizes that code into a consistent structure without changing the purpose of the component.

A React formatter automatically organizes React source code so it is easier to read. It can clean up indentation, spacing, line breaks, JSX attributes, and nested components while keeping the underlying code structure intact.

This is especially useful when working with React components that contain several levels of JSX, multiple props, JavaScript expressions, or conditional rendering. Instead of manually fixing every line, you can format the component in seconds.

React commonly uses JSX files, while TypeScript projects often use TSX. Next.js is built on React, so its pages, layouts, and components commonly use the same JSX and TSX syntax.

Although JSX looks similar to HTML, it is part of JavaScript or TypeScript syntax and needs to be parsed accordingly. This tool supports common React and Next.js source files including .js, .jsx, .ts, and .tsx.

Instead of simply adding spaces or line breaks based on text patterns, the formatter uses a JavaScript and JSX-aware parser to understand the structure of your code.

Consistent formatting makes React projects easier to read, review, debug, and maintain. It can also make code reviews easier because developers can focus on actual changes instead of inconsistent spacing and indentation.

• Clean up messy or poorly indented React code.
• Format JSX and TSX components consistently.
• Make nested React components easier to read.
• Improve the readability of long props and attributes.
• Quickly format React and Next.js code in your browser.
• Format code without installing another application.

1. Paste your React, JSX, or TSX code into the formatter.
2. You can also upload a supported JavaScript or TypeScript file.
3. The formatter parses the code and applies consistent formatting.
4. Review the formatted result and copy or download it.

The formatting process runs directly in your browser, so your source code does not need to be sent to a remote formatting service. This makes the tool useful when you need to quickly clean up a component while working on a React or Next.js project.

Prettier is widely used for automatic formatting in JavaScript and React projects. Rather than treating JSX as ordinary text, it understands the structure of the code and can format tags, expressions, attributes, and nested components consistently.

This online React formatter uses Prettier's browser build to provide that formatting experience directly in the browser. You can format React, JSX, TSX, and common Next.js code without setting up a separate formatting environment for a quick task.

Whether you are working on a small React component, a Next.js page, or a larger JavaScript and TypeScript project, keeping source code consistently formatted makes it easier to work with. A browser-based formatter is useful for checking a code snippet, cleaning up copied code, or formatting a component before adding it to a project.

You can use the formatter whenever you need a quick way to organize React code without changing the functionality of the component.