FREE · DEVELOPER TOOLS
JavaScript Formatter.
Indent JavaScript source while keeping code as text.
How to use JavaScript Formatter
Paste your source text, choose the format or options and generate the result. Review it before copying or saving.
How it works
Indent JavaScript source while keeping code as text. Code is never executed. Formatting does not prove correctness or safety.
Example
function add(a,b){return a+b} → indented source
Questions about JavaScript Formatter
Is JavaScript Formatter free, and do I need an account?
Yes. This tool is free to use in your browser without an account. Processing takes place on your device.
What are the limits and what should I check?
Code is never executed. Formatting does not prove correctness or safety. Review the result before using it in your work.
Is my input sent to a server?
Your input is processed in your browser and is not uploaded by this tool. Files and pasted text are cleared when the page is refreshed. Normal website requests are still required to load the page and its libraries. Read the privacy explanation.