Minify your JavaScript

Online JavaScript Minifier/Compressor. Free! Provides an API. Simple Quick and Fast.

Written and hosted by Andrew Chilton (@andychilton).

Java

Thanks to Cleber Muramoto for this contribution.

final URL url = new URL("https://javascript-minifier.com/raw");

// JS File you want to compress
byte[] bytes = Files.readAllBytes(Paths.get(...));

final StringBuilder data = new StringBuilder();
data.append(URLEncoder.encode("input", "UTF-8"));
data.append('=');
data.append(URLEncoder.encode(new String(bytes), "UTF-8"));

bytes = data.toString().getBytes("UTF-8");

final HttpURLConnection conn = (HttpURLConnection) url.openConnection();

conn.setRequestMethod("POST");
conn.setDoOutput(true);
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setRequestProperty("charset", "utf-8");
conn.setRequestProperty("Content-Length", Integer.toString(bytes.length));

try (DataOutputStream wr = new DataOutputStream(conn.getOutputStream())) {
    wr.write(bytes);
}

final int code = conn.getResponseCode();

System.out.println("Status: " + code);

if (code == 200) {
    System.out.println("----");
    final BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    String inputLine;

    while ((inputLine = in.readLine()) != null) {
        System.out.print(inputLine);
    }
    in.close();

    System.out.println("\n----");
} else {
    System.out.println("Oops");
}

Language Examples

Click on the language of your choice:

wget Curl Node.js Python Java Ruby Perl PHP C#

More Languages

I'd love to add more examples in your favourite programming language, so feel free to send them my way. Email andychilton at that gmail place in the sky or tweet to me @andychilton.