Playground

JS-Confuser

Try It Out

NPM GitHub

The JS-Confuser Playground is a rich code editor for obfuscating your JavaScript code.

Try It Out

How to use

Paste your code into the editor
Configure the options to your liking
Click the Obfuscate button
Click the Download File button

100% Local

JS-Confuser.com runs entirely in your browser, completely offline. This means your input code and actions are never sent to any remote server. You can find the source code for this website here.

Recent Files

JS-Confuser.com saves recently opened files in your browser's FileStorage. These files are also 100% local.

Prettier Formatter

JS-Confuser.com comes with Prettier enabled by default. You can disable the auto-formatting feature by navigating to File > Format On Save > Uncheck.

JSConfuser.ts

The file JSConfuser.ts can be edited by navigating to Tools > Edit JSConfuser.ts. The file serves as a JSON representation for your obfuscator settings. The file is evaluated and can additionally include custom implementations.

JSConfuser.ts

var counter = 0;
module.exports = {
  target: "browser",
  renameVariables: true,
  // Custom Identifier Generator implementation
  // Returns `var_0`, `var_1`, `var_2`
  identifierGenerator: () => `var_${counter++}`,
  // Custom String Concealing
  // Always encrypt API endpoints
  stringConcealing: (str) => {
    if (str.includes("https://api-example.com")) {
      return true;
    }
    // 60% for other strings
    return Math.random() < 0.6;
  },
  // ...Other settings...
};

Playground

How to use

100% Local

Recent Files

Prettier Formatter

JSConfuser.ts

See also