~ ❯❯❯ npm install dcipher

const dcipher = require('dcipher');

dcipher('21232f297a57a5a743894a0e4a801fc3').then(plaintext => {
    console.log(plaintext);
    //=> 'admin'
});

dcipher('8843d7f92416211de9ebb963ff4ce28125932878').then(plaintext => {
    console.log(plaintext);
    //=> 'foobar'
});

dcipher('dW5pY29ybg==').then(plaintext => {
    console.log(plaintext);
    //=> 'unicorn'
});