JavaScript Minifier & Formatter

Compress JS code to save bandwidth and improve load speeds, or beautify messy JavaScript into readable code.

About The JavaScript Minifier & Formatter

Instantly compress JavaScript code to save bandwidth and improve page speeds, or beautify messy JS into readable code. Free online developer utility.

Unlike many free tools online, JavaScript Minifier & Formatter runs entirely inside your browser instead of uploading your code and data to a remote server. That means faster results and complete privacy, whether you're debugging, formatting, or preparing data for an app on a laptop or a phone.

How to Use

  1. Open the JavaScript Minifier & Formatter tool — no sign-up or installation required.
  2. Enter your input or upload the required file using the tool above.
  3. Review the live result as it updates instantly in your browser.
  4. Copy, download, or export your result when you're happy with it.

Frequently Asked Questions

Is JavaScript Minifier & Formatter free to use?

Yes. JavaScript Minifier & Formatter is completely free, with no sign-up, no watermark, and no usage limits.

Is my data safe when I use JavaScript Minifier & Formatter?

Yes. JavaScript Minifier & Formatter runs entirely in your browser, so your code and data stay local on your device and are never uploaded to a server.

Can I use this tool for large files or datasets?

Yes, the tool is optimized to handle typical development workloads directly in your browser. Extremely large inputs may take a moment longer to process depending on your device.