<PackageReference Include="NETStandard.Library" Version="2.0.0-preview1-25301-01" />

System.Net.WebUtility

public static class WebUtility
public static string HtmlDecode(string value)

public static void HtmlDecode(string value, TextWriter output)

public static string HtmlEncode(string value)

public static void HtmlEncode(string value, TextWriter output)

public static string UrlDecode(string encodedValue)

public static byte[] UrlDecodeToBytes(byte[] encodedValue, int offset, int count)

public static string UrlEncode(string value)

public static byte[] UrlEncodeToBytes(byte[] value, int offset, int count)