JS/TS Formatter – Free Online JavaScript & TypeScript Beautifier

✓ Free JavaScript Formatter & Beautifier Online

Format JavaScript and TypeScript code using Prettier. Customize print width, tab width, semicolons, and quotes.

⚡ Prettier Powered — Uses the industry-standard Prettier formatter for consistent, beautiful code.
📜 JS & TS Support — Automatically detects and formats both JavaScript (.js) and TypeScript (.ts/.tsx) files.
⚙️ Customizable Options — Print width, tab width, indentation, semicolons, single/double quotes, trailing commas.
🔒 Privacy First — Loads Prettier from CDN and runs entirely in your browser. Your code never leaves your device.

⚠️ JavaScript is required This tool runs entirely in your browser and needs JavaScript. Please enable JavaScript, or open this page in a modern browser with JavaScript support, to use all features.

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