Free · No sign-up · Runs in browser
JavaScript Formatter
Quick JavaScript re-indenter with configurable indentation. Preserves string, template, regex literals, and comments. 100% client-side.
JavaScript Input
Formatted
// Formatted JavaScript will appear here…
JavaScript Formatter
A lightweight JavaScript re-indenter for quick cleanup. Not a full AST formatter — for strict Prettier-grade output use Prettier itself. Perfect for pasting minified or one-line scripts to read what they do.
Related
Shrink JS with the JS Minifier.
Literal-aware
Strings, templates, regex, and comments survive untouched.
Instant
Formatting runs in your browser.
Fully private
Code never leaves your device.