convert to base64 c#
public static string Base64Encode(string plainText) {
var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(plainText);
return System.Convert.ToBase64String(plainTextBytes);
}convert to base64 c#
public static string Base64Encode(string plainText) {
var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(plainText);
return System.Convert.ToBase64String(plainTextBytes);
}convert to base64 c#
public static string Base64Decode(string base64EncodedData) {
var base64EncodedBytes = System.Convert.FromBase64String(base64EncodedData);
return System.Text.Encoding.UTF8.GetString(base64EncodedBytes);
}how to get file type from base64 in c#
/// <summary>
/// To demonstrate extraction of file extension from base64 string.
/// </summary>
/// <param name="base64String">base64 string.</param>
/// <returns>Henceforth file extension from string.</returns>
public static string GetFileExtension(string base64String)
{
var data = base64String.Substring(0, 5);
switch (data.ToUpper())
{
case "IVBOR":
return "png";
case "/9J/4":
return "jpg";
case "AAAAF":
return "mp4";
case "JVBER":
return "pdf";
case "AAABA":
return "ico";
case "UMFYI":
return "rar";
case "E1XYD":
return "rtf";
case "U1PKC":
return "txt";
case "MQOWM":
case "77U/M":
return "srt";
default:
return string.Empty;
}
}Copyright © 2021 Codeinu
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