How do I encode and decode a base64 string?

Question

1. How do I return a base64 encoded string given a string?

2. How do I decode a base64 encoded string into a string?

Answer 1

One liner code:

Note: Use System and System.Text directives.

Encode:

string encodedStr = Convert.ToBase64String(Encoding.UTF8.GetBytes("inputStr"));

Decode:

string inputStr = Encoding.UTF8.GetString(Convert.FromBase64String(encodedStr));