JavaScript Formatter
Format JS, JSX, TS and TSX using the Prettier engine in your browser.
Files deleted immediatelyRuns in your browserNo account required
Frequently asked questions
- Yes. JavaScript Formatter is completely free with no account, no sign-up and no usage limits beyond fair-use rate limiting.
- No. Files are processed in-memory and destroyed the moment processing finishes. Browser-side tools never upload anything at all.
- Browser-based tools are limited only by your device memory. Server-assisted tools accept files up to 200 MB.
Related developer tools
Trending
JSON Formatter
Beautify, minify and inspect JSON with a collapsible tree view.
Open tool→
JSON Validator
Validate JSON and get the exact line, column and cause of any syntax error.
Open tool→
XML Formatter
Indent and tidy XML documents with attribute alignment.
Open tool→
HTML Formatter
Format HTML with consistent indentation and attribute wrapping.
Open tool→
CSS Formatter
Beautify or minify CSS, SCSS and LESS stylesheets.
Open tool→
SQL Formatter
Format SQL for 12 dialects with keyword casing and indentation control.
Open tool→