diff --git a/BinaryObjectScanner.Printing/Extensions.cs b/BinaryObjectScanner.Printing/Extensions.cs
new file mode 100644
index 00000000..4e641ee2
--- /dev/null
+++ b/BinaryObjectScanner.Printing/Extensions.cs
@@ -0,0 +1,174 @@
+using System;
+using System.Text;
+
+namespace BinaryObjectScanner.Printing
+{
+    internal static class Extensions
+    {
+        /// <summary>
+        /// Append a line containing a byte value to a StringBuilder
+        /// </summary>
+#if NET48
+        public static StringBuilder AppendLine(this StringBuilder sb, byte[] value, string prefixString)
+#else
+        public static StringBuilder AppendLine(this StringBuilder sb, byte[]? value, string prefixString)
+#endif
+        {
+            string valueString = (value == null ? "[NULL]" : BitConverter.ToString(value).Replace('-', ' '));
+            return sb.AppendLine($"{prefixString}: {valueString}");
+        }
+
+        /// <summary>
+        /// Append a line containing a Int8 to a StringBuilder
+        /// </summary>
+#if NET48
+        public static StringBuilder AppendLine(this StringBuilder sb, sbyte value, string prefixString)
+#else
+        public static StringBuilder AppendLine(this StringBuilder sb, sbyte? value, string prefixString)
+#endif
+        {
+#if NET6_0_OR_GREATER
+            value ??= 0;
+#endif
+
+            string valueString = $"{value} (0x{value:X})";
+            return sb.AppendLine($"{prefixString}: {valueString}");
+        }
+
+        /// <summary>
+        /// Append a line containing a UInt8 to a StringBuilder
+        /// </summary>
+#if NET48
+        public static StringBuilder AppendLine(this StringBuilder sb, byte value, string prefixString)
+#else
+        public static StringBuilder AppendLine(this StringBuilder sb, byte? value, string prefixString)
+#endif
+        {
+#if NET6_0_OR_GREATER
+            value ??= 0;
+#endif
+
+            string valueString = $"{value} (0x{value:X})";
+            return sb.AppendLine($"{prefixString}: {valueString}");
+        }
+
+        /// <summary>
+        /// Append a line containing a Int16 to a StringBuilder
+        /// </summary>
+#if NET48
+        public static StringBuilder AppendLine(this StringBuilder sb, short value, string prefixString)
+#else
+        public static StringBuilder AppendLine(this StringBuilder sb, short? value, string prefixString)
+#endif
+        {
+#if NET6_0_OR_GREATER
+            value ??= 0;
+#endif
+
+            string valueString = $"{value} (0x{value:X})";
+            return sb.AppendLine($"{prefixString}: {valueString}");
+        }
+
+        /// <summary>
+        /// Append a line containing a UInt16 to a StringBuilder
+        /// </summary>
+#if NET48
+        public static StringBuilder AppendLine(this StringBuilder sb, ushort value, string prefixString)
+#else
+        public static StringBuilder AppendLine(this StringBuilder sb, ushort? value, string prefixString)
+#endif
+        {
+#if NET6_0_OR_GREATER
+            value ??= 0;
+#endif
+
+            string valueString = $"{value} (0x{value:X})";
+            return sb.AppendLine($"{prefixString}: {valueString}");
+        }
+
+        /// <summary>
+        /// Append a line containing a Int32 to a StringBuilder
+        /// </summary>
+#if NET48
+        public static StringBuilder AppendLine(this StringBuilder sb, int value, string prefixString)
+#else
+        public static StringBuilder AppendLine(this StringBuilder sb, int? value, string prefixString)
+#endif
+        {
+#if NET6_0_OR_GREATER
+            value ??= 0;
+#endif
+
+            string valueString = $"{value} (0x{value:X})";
+            return sb.AppendLine($"{prefixString}: {valueString}");
+        }
+
+        /// <summary>
+        /// Append a line containing a UInt32 to a StringBuilder
+        /// </summary>
+#if NET48
+        public static StringBuilder AppendLine(this StringBuilder sb, uint value, string prefixString)
+#else
+        public static StringBuilder AppendLine(this StringBuilder sb, uint? value, string prefixString)
+#endif
+        {
+#if NET6_0_OR_GREATER
+            value ??= 0;
+#endif
+
+            string valueString = $"{value} (0x{value:X})";
+            return sb.AppendLine($"{prefixString}: {valueString}");
+        }
+
+        /// <summary>
+        /// Append a line containing a Int64 to a StringBuilder
+        /// </summary>
+#if NET48
+        public static StringBuilder AppendLine(this StringBuilder sb, long value, string prefixString)
+#else
+        public static StringBuilder AppendLine(this StringBuilder sb, long? value, string prefixString)
+#endif
+        {
+#if NET6_0_OR_GREATER
+            value ??= 0;
+#endif
+
+            string valueString = $"{value} (0x{value:X})";
+            return sb.AppendLine($"{prefixString}: {valueString}");
+        }
+
+        /// <summary>
+        /// Append a line containing a UInt64 to a StringBuilder
+        /// </summary>
+#if NET48
+        public static StringBuilder AppendLine(this StringBuilder sb, ulong value, string prefixString)
+#else
+        public static StringBuilder AppendLine(this StringBuilder sb, ulong? value, string prefixString)
+#endif
+        {
+#if NET6_0_OR_GREATER
+            value ??= 0;
+#endif
+
+            string valueString = $"{value} (0x{value:X})";
+            return sb.AppendLine($"{prefixString}: {valueString}");
+        }
+
+        /// <summary>
+        /// Append a line containing a string to a StringBuilder
+        /// </summary>
+#if NET48
+        public static StringBuilder AppendLine(this StringBuilder sb, string value, string prefixString)
+#else
+        public static StringBuilder AppendLine(this StringBuilder sb, string? value, string prefixString)
+#endif
+        {
+#if NET6_0_OR_GREATER
+            value ??= string.Empty;
+#endif
+
+            string valueString = value ?? "[NULL]";
+            return sb.AppendLine($"{prefixString}: {valueString}");
+        }
+    }
+}
\ No newline at end of file