diff --git a/SweetLib/Utils/Extensions/BaseTypeExtensions.cs b/SweetLib/Utils/Extensions/BaseTypeExtensions.cs
new file mode 100644
index 0000000..1131ad2
--- /dev/null
+++ b/SweetLib/Utils/Extensions/BaseTypeExtensions.cs
@@ -0,0 +1,214 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SweetLib.Utils.Extensions
+{
+    /// <summary>
+    /// Defines extensions to some general classes.
+    /// </summary>
+    public static class BaseTypeExtensions
+    {
+        /// <summary>
+        /// Converts a <see cref="short"/> value into a byte array.
+        /// </summary>
+        /// <param name="value">Value to convert.</param>
+        /// <returns>Byte array representation of the value.</returns>
+        public static byte[] ToBytes(this short value)
+        {
+            return BitConverter.GetBytes(value);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="ushort"/> value into a byte array.
+        /// </summary>
+        /// <param name="value">Value to convert.</param>
+        /// <returns>Byte array representation of the value.</returns>
+        public static byte[] ToBytes(this ushort value)
+        {
+            return BitConverter.GetBytes(value);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="int"/> value into a byte array.
+        /// </summary>
+        /// <param name="value">Value to convert.</param>
+        /// <returns>Byte array representation of the value.</returns>
+        public static byte[] ToBytes(this int value)
+        {
+            return BitConverter.GetBytes(value);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="uint"/> value into a byte array.
+        /// </summary>
+        /// <param name="value">Value to convert.</param>
+        /// <returns>Byte array representation of the value.</returns>
+        public static byte[] ToBytes(this uint value)
+        {
+            return BitConverter.GetBytes(value);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="long"/> value into a byte array.
+        /// </summary>
+        /// <param name="value">Value to convert.</param>
+        /// <returns>Byte array representation of the value.</returns>
+        public static byte[] ToBytes(this long value)
+        {
+            return BitConverter.GetBytes(value);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="ulong"/> value into a byte array.
+        /// </summary>
+        /// <param name="value">Value to convert.</param>
+        /// <returns>Byte array representation of the value.</returns>
+        public static byte[] ToBytes(this ulong value)
+        {
+            return BitConverter.GetBytes(value);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="float"/> value into a byte array.
+        /// </summary>
+        /// <param name="value">Value to convert.</param>
+        /// <returns>Byte array representation of the value.</returns>
+        public static byte[] ToBytes(this float value)
+        {
+            return BitConverter.GetBytes(value);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="double"/> value into a byte array.
+        /// </summary>
+        /// <param name="value">Value to convert.</param>
+        /// <returns>Byte array representation of the value.</returns>
+        public static byte[] ToBytes(this double value)
+        {
+            return BitConverter.GetBytes(value);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="bool"/> value into a byte array.
+        /// </summary>
+        /// <param name="value">Value to convert.</param>
+        /// <returns>Byte array representation of the value.</returns>
+        public static byte[] ToBytes(this bool value)
+        {
+            return BitConverter.GetBytes(value);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="DateTime"/> value into a byte array.
+        /// </summary>
+        /// <param name="value">Value to convert.</param>
+        /// <returns>Byte array representation of the value.</returns>
+        public static byte[] ToBytes(this DateTime value)
+        {
+            return BitConverter.GetBytes(value.ToUnixTimeStamp());
+        }
+
+        /// <summary>
+        /// Converts a <see cref="string"/> value into a byte array.
+        /// </summary>
+        /// <param name="value">Value to convert.</param>
+        /// <returns>Byte array representation of the value.</returns>
+        /// <remarks>Using <see cref="UTF32Encoding"/> for converting.</remarks>
+        public static byte[] ToBytes(this string value)
+        {
+            return Encoding.UTF32.GetBytes(value);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="byte[]"/> into a <see cref="short"/> type.
+        /// </summary>
+        /// <param name="bytes">Byte array representation to convert.</param>
+        /// <returns>Converted value.</returns>
+        public static short ToInt16(this byte[] bytes)
+        {
+            return BitConverter.ToInt16(bytes, 0);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="byte[]"/> into a <see cref="ushort"/> type.
+        /// </summary>
+        /// <param name="bytes">Byte array representation to convert.</param>
+        /// <returns>Converted value.</returns>
+        public static ushort ToUInt16(this byte[] bytes)
+        {
+            return BitConverter.ToUInt16(bytes, 0);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="byte[]"/> into a <see cref="int"/> type.
+        /// </summary>
+        /// <param name="bytes">Byte array representation to convert.</param>
+        /// <returns>Converted value.</returns>
+        public static int ToInt32(this byte[] bytes)
+        {
+            return BitConverter.ToInt32(bytes, 0);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="byte[]"/> into a <see cref="uint"/> type.
+        /// </summary>
+        /// <param name="bytes">Byte array representation to convert.</param>
+        /// <returns>Converted value.</returns>
+        public static uint ToUInt32(this byte[] bytes)
+        {
+            return BitConverter.ToUInt32(bytes, 0);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="byte[]"/> into a <see cref="long"/> type.
+        /// </summary>
+        /// <param name="bytes">Byte array representation to convert.</param>
+        /// <returns>Converted value.</returns>
+        public static long ToInt64(this byte[] bytes)
+        {
+            return BitConverter.ToInt64(bytes, 0);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="byte[]"/> into a <see cref="ulong"/> type.
+        /// </summary>
+        /// <param name="bytes">Byte array representation to convert.</param>
+        /// <returns>Converted value.</returns>
+        public static ulong ToUInt64(this byte[] bytes)
+        {
+            return BitConverter.ToUInt64(bytes, 0);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="byte[]"/> into a <see cref="float"/> type.
+        /// </summary>
+        /// <param name="bytes">Byte array representation to convert.</param>
+        /// <returns>Converted value.</returns>
+        public static float ToSingle(this byte[] bytes)
+        {
+            return BitConverter.ToSingle(bytes, 0);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="byte[]"/> into a <see cref="double"/> type.
+        /// </summary>
+        /// <param name="bytes">Byte array representation to convert.</param>
+        /// <returns>Converted value.</returns>
+        public static double ToDouble(this byte[] bytes)
+        {
+            return BitConverter.ToDouble(bytes, 0);
+        }
+
+        /// <summary>
+        /// Converts a <see cref="byte[]"/> into a <see cref="string"/> type.
+        /// </summary>
+        /// <param name="bytes">Byte array representation to convert.</param>
+        /// <returns>Converted value.</returns>
+        /// <remarks>Using <see cref="UTF32Encoding"/> for converting.</remarks>
+        public static string ToString(this byte[] bytes)
+        {
+            return Encoding.UTF32.GetString(bytes);
+        }
+    }
+}
diff --git a/SweetLib/Utils/Extensions/DateTimeExtensions.cs b/SweetLib/Utils/Extensions/DateTimeExtensions.cs
new file mode 100644
index 0000000..0ed3211
--- /dev/null
+++ b/SweetLib/Utils/Extensions/DateTimeExtensions.cs
@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SweetLib.Utils.Extensions
+{
+    /// <summary>
+    /// Defines extensions to classes which are related to <see cref="DateTime"/>.
+    /// </summary>
+    public static class DateTimeExtensions
+    {
+        /// <summary>
+        /// Converts a <see cref="DateTime"/> into an Unix timestamp.
+        /// </summary>
+        /// <param name="date"><see cref="DateTime"/> to convert into Unix timestamp.</param>
+        /// <returns>Converted Unix timestamp.</returns>
+        public static double ToUnixTimeStamp(this DateTime date)
+        {
+            return date.Subtract(new DateTime(1970, 1, 1)).TotalSeconds;
+        }
+
+        /// <summary>
+        /// Converts an Unix timestamp into a <see cref="DateTime"/>.
+        /// </summary>
+        /// <param name="timestamp">Unix timestamp to convert.</param>
+        /// <returns>Converted <see cref="DateTime"/>.</returns>
+        public static DateTime ToDateTime(this double timestamp)
+        {
+            return new DateTime(1970, 1, 1).AddMilliseconds(timestamp);
+        }
+    }
+}
diff --git a/SweetLib/Utils/SweetUtils.cs b/SweetLib/Utils/SweetUtils.cs
index c32fc4b..0cfd330 100644
--- a/SweetLib/Utils/SweetUtils.cs
+++ b/SweetLib/Utils/SweetUtils.cs
@@ -36,25 +36,5 @@ namespace SweetLib.Utils
 
             return invalidChars.Aggregate(fileName, (current, c) => current.Replace(c, replaceChar));
         }
-
-        /// <summary>
-        /// Converts a <see cref="DateTime"/> into an Unix timestamp.
-        /// </summary>
-        /// <param name="date"><see cref="DateTime"/> to convert into Unix timestamp.</param>
-        /// <returns>Converted Unix timestamp.</returns>
-        public static double DateTimeToUnixTimeStamp(DateTime date)
-        {
-            return date.Subtract(new DateTime(1970, 1, 1)).TotalSeconds;
-        }
-
-        /// <summary>
-        /// Converts an Unix timestamp into a <see cref="DateTime"/>.
-        /// </summary>
-        /// <param name="timestamp">Unix timestamp to convert.</param>
-        /// <returns>Converted <see cref="DateTime"/>.</returns>
-        public static DateTime UnixTimestampToDateTime(double timestamp)
-        {
-            return new DateTime(1970, 1, 1).AddMilliseconds(timestamp);
-        }
     }
 }