Free Online JavaScript Transpiler & Minifier
Transform your ES6/ES2015+ JavaScript code to ES5 for maximum browser compatibility. Our free online tool supports transpilation, minification, and deep minification with advanced whitespace removal. Perfect for legacy browser support and code optimization.
Convert ES6+ to ES5
Reduce file size
Ultimate compression
Processing completed
Support older browsers like IE11 with ES5 compatible code
Instant conversion using Babel.js transpiler technology
No registration, no limits, completely free to use
All processing done in your browser, code never leaves your device
Explore our comprehensive guides and tutorials on JavaScript transpilation, browser compatibility, and modern web development best practices.
Learn the fundamental differences between ES6 and ES5 JavaScript, understand browser compatibility challenges, and discover why ES6 to ES5 conversion is still crucial in modern web development.
Learn how to convert ES6 JavaScript code to ES5 step by step using our free online tool. Complete guide with examples, best practices, and browser compatibility tips.
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