Read small scripts again
Apply lightweight indentation to JavaScript snippets used in static pages.
Formatters
Format JavaScript source code
Apply lightweight indentation to JavaScript so small static-site scripts are easier to read.
Processed on the server.
Do not paste passwords, tokens, or private keys.
Results will appear below the editor after you run the tool.
Useful for debugging
Formatted scripts make event handlers, fetch calls, and form logic easier to inspect.
Prepare for safer edits
Use readable JavaScript before asking an agent or teammate to modify behavior.
How to use JS Formatter
Make small scripts readable before debugging events, selectors, fetch calls, or form behavior.
Paste JavaScript
Add the snippet or small file you need to read.
Format it
StaticX returns a more readable version with indentation.
Review logic
Check events, selectors, URLs, and error handling before using it.
Readable scripts are easier to trust.
Static sites often use small scripts for forms, navigation, embeds, or UI toggles. When those scripts are copied or generated, readability matters.
Formatting makes the code easier to audit, but it does not guarantee behavior. Test the page before publishing.
Script review checkpoints
Good for snippets
Use it for inline scripts and small files, not complex application bundles.
Check selectors
Formatted code makes DOM selectors and event targets easier to verify.
No transpilation
It does not convert TypeScript, JSX, or unsupported syntax.
Questions about JS Formatter
Short, practical answers for using this page safely.
Will JS Formatter make code production-ready?
No. It improves readability. You still need testing and review.
Can I format minified snippets?
Yes, especially before debugging or editing them.
Should I paste API keys?
No. Public JavaScript should never contain private keys or tokens.