Convert String to Byte Array and Byte Array to String in C#

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Description

In this article, I am going to write C# code to convert Byte Array to String and String to Byte Array by using Encoding.UTF8 and Encoding.ASCII.

Summary

Convert String to Byte Array in C# using Encoding.UTF8

You can convert String value into byte [] easily by using Encoding.UTF8.

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static void Main(string[] args)
    {
        string value = "String value to convert byte Array";
 
        byte[] byteData = ConvertStringByteArrayUsingEncodingUTF8(value);
 
        Console.WriteLine(byteData.Length);
    }
 
    private static byte[] ConvertStringByteArrayUsingEncodingUTF8(string strData)
    {
        byte[] byteData = Encoding.UTF8.GetBytes(strData);
 
        return byteData;
    }

Convert Byte Array to String in C# using Encoding.UTF8

You can convert Byte Array into String value easily by using Encoding.UTF8.

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static void Main(string[] args)
    {
        string value = "String value to convert byte Array";
 
        byte[] byteData = ConvertStringByteArrayUsingEncodingUTF8(value);
 
        string value2 = ConvertByteArrayToStringUsingEncodingUTF8(byteData);
 
        Console.WriteLine(value2);
    }
 
    private static byte[] ConvertStringByteArrayUsingEncodingUTF8(string strData)
    {
        byte[] byteData = Encoding.UTF8.GetBytes(strData);
 
        return byteData;
    }
 
    private static string ConvertByteArrayToStringUsingEncodingUTF8(byte[] byteData)
    {
        string strData = Encoding.UTF8.GetString(byteData);
 
        return strData;
    }

Convert String to Byte Array in C# using Encoding.ASCII

You can convert String to Byte Array easily by using Encoding.ASCII in C#.

Note: Please note that this convert operation may cause some data loss if you are using some characters that are not in the ASCII character set.

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static void Main(string[] args)
    {
        string value = "String value to convert byte Array";
 
        byte[] byteData = ConvertStringByteArrayUsingASCII(value);
 
        Console.WriteLine(byteData.Length);
    }
 
    private static byte[] ConvertStringByteArrayUsingASCII(string strData)
    {
        byte[] byteData = Encoding.ASCII.GetBytes(strData);
 
        return byteData;
    }

Convert Byte Array to String in C# using ASCIIEncoding.ASCII

You can convert Byte Array into string value easily by using ASCIIEncoding.ASCII in C#.

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static void Main(string[] args)
    {
        string value = "String value to convert byte Array";
 
        byte[] byteData = ConvertStringByteArrayUsingASCII(value);
 
        string value2 = ConvertByteArrayToStringUsingConvert(byteData);
 
        Console.WriteLine(value2);
    }
 
    private static byte[] ConvertStringByteArrayUsingASCII(string strData)
    {
        byte[] byteData = Encoding.ASCII.GetBytes(strData);
 
        return byteData;
    }
 
    private static string ConvertByteArrayToStringUsingConvert(byte[] byteData)
    {
        string strData = ASCIIEncoding.ASCII.GetString(byteData);
 
        return strData;
    }

Thanks,
Morgan
Software Developer

 

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