What does JS minification do?

Minification removes whitespace, comments, and shortens variable names to reduce file size. This speeds up page load times.

Can I reverse minified JavaScript?

Yes! Use the Beautify tab to format minified JavaScript into readable code with proper indentation and line breaks.

No server limit. Large files may take a moment to process depending on your device.

Yes. All processing happens in your browser. Your code never leaves your device.

Minify JavaScript to reduce file size or beautify/format JS code for readability. Works offline in your browser. No upload required.

No Upload 100% Private Free

Removes whitespace, comments, and shortens code to reduce file size. Use for production code to speed up page loads. Typical reduction: 30–60%.

Adds proper indentation, line breaks, and spacing to make minified or messy JavaScript readable. Use when debugging or reading third-party code.

Yes. All JavaScript processing happens in your browser. Your code never leaves your device.

No server limit. Large JavaScript files may take a moment to process depending on your device.

Yes, completely free with no registration required.