decode base64

1//Encode
2echo  'linuxhint.com' | base64
3
4//Decode
5echo 'bGludXhoaW50LmNvbQo=' | base64 --decode

1var string = "Hello folks how are you doing today?";
2var encodedString = btoa(string); // Base64 encode the String
3var decodedString = atob(encodedString); // Base64 decode the String
4

1// Define the string
2var string = 'Hello World!';
3
4// Encode the String
5var encodedString = btoa(string);
6console.log(encodedString); // Outputs: "SGVsbG8gV29ybGQh"
7
8// Decode the String
9var decodedString = atob(encodedString);
10console.log(decodedString); // Outputs: "Hello World!"
11

1class Program
2{
3    static void Main(string[] args)
4    {
5        var account = new ExternalAccount() { Name = "Someone" };
6        string json = JsonConvert.SerializeObject(account);
7        string base64EncodedExternalAccount = Convert.ToBase64String(Encoding.UTF8.GetBytes(json));
8        byte[] byteArray = Convert.FromBase64String(base64EncodedExternalAccount);
9
10        string jsonBack = Encoding.UTF8.GetString(byteArray);
11        var accountBack = JsonConvert.DeserializeObject<ExternalAccount>(jsonBack);
12        Console.WriteLine(accountBack.Name);
13        Console.ReadLine();
14    }
15}
16
17[Serializable]
18public class ExternalAccount
19{
20    public string Name { get; set; }
21}

1const fromBase64toString = (data) => {
2    return decodeURIComponent(
3      atob(data)
4        .split("")
5        .map(function (c) {
6          return "%" + ("00" + c.charCodeAt(0).toString(16)).slice(-2);
7        })
8        .join("")
9    );
10  };

1GFG, A computer Science Portal For Geeks
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