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Use our free JavaScript Minifier tool to reduce file size by removing whitespace, comments, and unnecessary characters from your JavaScript code. It makes your code faster to load and harder to read.
Minifying your JavaScript reduces its size significantly, improving load times and performance for websites and apps. It’s an essential step before deploying to production.
Original:
function greet(name) {
console.log("Hello, " + name + "!");
}
greet("World");Minified:
function greet(o)console.log("Hello, "+o+"!")greet("World");JavaScript minification is the process of removing unnecessary characters like whitespace, comments, and line breaks to reduce file size and improve load times.
No, minification does not change the functionality of your code. It only improves performance by making the file size smaller.
Yes, you can use JavaScript beautifiers to format and make minified code readable again, although original variable names may not be restored.
Common tools include UglifyJS, Terser, and online JavaScript minifiers like this one. Build tools like Webpack also support minification through plugins.
No, minification reduces code size by removing characters, while compression (like Gzip or Brotli) reduces file size further during file transfer.