diff --git a/Leaf.Core/Extensions/String/StringExtensions.cs b/Leaf.Core/Extensions/String/StringExtensions.cs
index bc3bd6d..cf5c3b7 100644
--- a/Leaf.Core/Extensions/String/StringExtensions.cs
+++ b/Leaf.Core/Extensions/String/StringExtensions.cs
@@ -87,6 +87,22 @@ public static string GetJsonValueEx(this string json, string key, string ending
                 ?? throw new StringBetweenException($"Не найдено значение JSON ключа \"{key}\". Ответ: {json}");
         }
 
+
+        /// <summary>
+        /// Конвертирует HEX строку в оригинальный набор байт
+        /// </summary>
+        /// <param name="hexString">Строка сданными в виде HEX</param>
+        /// <returns>Оригинальный набор байт</returns>
+        public static byte[] HexStringToBytes(this string hexString)
+        {
+            int numberChars = hexString.Length;
+            var bytes = new byte[numberChars / 2];
+            for (int i = 0; i < numberChars; i += 2)
+                bytes[i / 2] = Convert.ToByte(hexString.Substring(i, 2), 16);
+
+            return bytes;
+        }
+
         /// <summary>
         /// Возращает тип форматирование числа с разделением тысяч.
         /// </summary>
diff --git a/Leaf.Core/Leaf.Core.csproj b/Leaf.Core/Leaf.Core.csproj
index 53e829d..4778a10 100644
--- a/Leaf.Core/Leaf.Core.csproj
+++ b/Leaf.Core/Leaf.Core.csproj
@@ -47,6 +47,7 @@
 		<Copyright>© 2018 Developed by Grand Silence — Kelog Studio</Copyright>
 		<PackageTags>threading,patterns,strings,serialization</PackageTags>
 		<PackageIconUrl>https://raw.githubusercontent.com/csharp-leaf/Leaf.Core/master/Icons/icon-300.png</PackageIconUrl>
+		<NoWarn>1591</NoWarn>
 	</PropertyGroup>
 
 	<!-- :: // Generic configurations -->