JS Minifier

Live

Compress JavaScript by stripping whitespace.

JavaScript input

// On9Tools sample
function greet(name) {
    const message = "Hello, " + name;
    console.log(message);
    return message;
}

greet("world");

Minified · 31% smaller (100 bytes)

function greet(name){const message="Hello,"+name;console.log(message);return message}greet("world");

A lightweight minifier — it removes comments and extra whitespace. For production builds use a full tool like Terser. Always test the output.

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