diff --git a/Program.cs b/Program.cs
index 6cb7331..9ffaae2 100644
--- a/Program.cs
+++ b/Program.cs
@@ -42,8 +42,9 @@ namespace V2GProtocol
 
             if (showHeader)
             {
-                Console.WriteLine("=== V2G Transfer Protocol Decoder/Encoder ===");
-                Console.WriteLine("ISO 15118-2 / DIN SPEC 70121 / SAP Protocol");
+                Console.WriteLine("=== V2G Transfer Protocol Decoder/Encoder");
+                Console.WriteLine("=== ISO 15118-2 / DIN SPEC 70121 / SAP Protocol");
+                Console.WriteLine("=== made by [tindevil82@gmail.com]");
                 Console.WriteLine();
             }
 
@@ -136,7 +137,7 @@ namespace V2GProtocol
                 else
                 {
                     Console.WriteLine($"Error: Unknown option or file not found: {args[0]}");
-                    ShowUsage();
+                    //ShowUsage();
                 }
             }
             catch (Exception ex)
@@ -166,16 +167,9 @@ namespace V2GProtocol
             Console.WriteLine("Pipe Usage:");
             Console.WriteLine("  type file.xml | V2GDecoder.exe --encode        # Pipe XML file to encode");
             Console.WriteLine("  echo \"hex_string\" | V2GDecoder.exe --decode   # Pipe hex string to decode");
+            Console.WriteLine("Example:");
+            Console.WriteLine("V2GDecoder.exe 01FE80010000001E809802104142423030303831908C0C0C0E0C51E020256968C0C0C0C0C080 --decode");
             Console.WriteLine();
-            Console.WriteLine("Examples:");
-            Console.WriteLine("  V2GDecoder.exe data/dump2.dump                # Full analysis of hex dump");
-            Console.WriteLine("  V2GDecoder.exe data/test.hex                  # Auto-decode hex to XML");
-            Console.WriteLine("  V2GDecoder.exe data/encode0.xml               # Auto-encode XML to EXI");
-            Console.WriteLine("  V2GDecoder.exe -d \"8098021050908C0C0C0E0C5211003200\"  # Decode hex string");
-            Console.WriteLine("  V2GDecoder.exe data/test.dat --decode         # Decode unknown file type");
-            Console.WriteLine("  V2GDecoder.exe data/data0.xml -out data0.hex  # Encode to binary file");
-            Console.WriteLine("  V2GDecoder.exe --decode data.hex -out out.xml # Decode to XML file");
-            Console.WriteLine("  type data\\encode0.xml | V2GDecoder.exe -e     # Pipe XML to encode");
         }
         
         static string? GetOutputFilename(string[] args)
@@ -245,10 +239,8 @@ namespace V2GProtocol
                 }
                 else if (extension == ".hex")
                 {
-                    // Plain hex file (pure hex string)
-                    string fileContent = File.ReadAllText(input).Trim();
-                    fileContent = fileContent.Replace(" ", "").Replace("-", "").Replace("0x", "").Replace("\n", "").Replace("\r", "");
-                    exiBytes = Convert.FromHexString(fileContent);
+                    // Binary hex file
+                    exiBytes = File.ReadAllBytes(input);
                 }
                 else if (extension == ".txt")
                 {