TypeScript & JavaScript Formatter

Tired of messy script files? Our free online TypeScript and JavaScript formatter instantly cleans up your code, offering customizable indentation and style settings for perfectly readable results.

Input

Output

Indentation:

How to use the TypeScript & JavaScript Formatter

Paste your code into the input field at the top of the page.
Select your indentation (choose between 2 spaces, 4 spaces, or tabs).
View the formatted result instantly as the tool cleans up your syntax.
Copy the formatted code to your clipboard or download it as a file.

Best Practice

Use trailing commas in multi-line objects to keep your Git diffs clean when adding new properties.

Features and Benefits

Full Syntax Support: Handles modern ES6+, JSX, and TypeScript specific syntax with ease.
Customizable Indentation: Choose between 2 spaces, 4 spaces, or tabs to match your project requirements.
Instant Processing: Get your formatted code back in milliseconds, no matter the file size.
No Installation Required: Use it directly in your browser without setting up complex dev environments.
Privacy Focused: Your code is processed locally in your browser and never stored on our servers.

Tip

In VS Code, use the 'Format Selection' shortcut (Cmd/Ctrl + K, F) to clean up specific blocks of code.

Why use an online JS & TS Formatter?

Improved Readability: Correctly indented code is much easier for humans to scan and understand.
Faster Debugging: Clean code makes it easier to spot missing brackets, semicolons, or logic errors.
Team Consistency: Ensure everyone on your project follows the same stylistic rules for better collaboration.
Save Time: Stop wasting minutes manually aligning nested callbacks and object properties.

What are JavaScript and TypeScript?

JavaScript is the primary programming language of the web, powering interactive features on almost every modern website. TypeScript is a strongly typed superset of JavaScript that compiles to plain JavaScript, adding safety and better tooling for large-scale applications. Because both languages rely heavily on nested structures like functions and objects, consistent formatting is essential to prevent 'callback hell' and maintain code quality.

Did You Know?

TypeScript was created by Microsoft and is maintained by Anders Hejlsberg, the lead architect of C#.

Integrating formatting into your workflow

While our online tool is perfect for quick fixes, professional workflows often benefit from automation:

Editor Extensions: Install the Prettier or ESLint extension in VS Code for 'Format on Save' functionality.
Git Hooks: Use tools like husky and lint-staged to format code automatically before every commit.
CI/CD: Add a formatting check step in your GitHub Actions or GitLab CI to ensure no unformatted code enters your main branch.

Frequently Asked Questions

Q: Does this tool support the latest TypeScript versions? A: Yes, our formatter is updated regularly to support the latest TypeScript syntax and ESNext features.

Q: Will formatting my code change how it runs? A: No, the tool only changes the visual layout (whitespace and indentation) and does not alter the logic of your code.

Q: Is there a limit to how much code I can format? A: There is no strict limit, though extremely large files (several megabytes) may slow down your browser performance.

Q: Can I format React code (JSX/TSX)? A: Absolutely! The formatter fully supports JSX and TSX syntax used in React development.

Related Tools

TypeScript & JavaScript Minifier

JSON Formatter

HTML Formatter

External Resources

Official TypeScript Documentation - Learn more about TS syntax and features.
MDN Web Docs: JavaScript - The definitive resource for JS developers.
Prettier.io - The opinionated code formatter that powers modern JS standards.