diff --git a/Utils/rc/header_part1 b/Utils/rc/header_part1
new file mode 100644
index 000000000..36f26e234
Binary files /dev/null and b/Utils/rc/header_part1 differ
diff --git a/Utils/rc/header_part2 b/Utils/rc/header_part2
new file mode 100644
index 000000000..903945c6e
Binary files /dev/null and b/Utils/rc/header_part2 differ
diff --git a/Utils/rc/rc.pas b/Utils/rc/rc.pas
new file mode 100644
index 000000000..f0ca4acd3
--- /dev/null
+++ b/Utils/rc/rc.pas
@@ -0,0 +1,57 @@
+{$resource header_part1}
+{$resource header_part2}
+{$resource res_end}
+
+{$reference System.Drawing.dll}
+
+begin
+  try
+    var icon_str := System.IO.File.OpenRead(CommandLineArgs[0]);
+    var icon := new System.Drawing.Icon(icon_str);
+    icon_str.Position := 0;
+    if icon.Width <> icon.Height then Halt(1);
+    case icon.Width of
+      1,2,4,8,16,32: ;
+      else Halt(2);
+    end;
+    
+    var v: word := icon_str.Length-22;
+    var otp := System.Console.OpenStandardOutput;
+    //var otp := System.IO.File.Create('test.res');
+    var bw := new System.IO.BinaryWriter(otp);
+    
+    GetResourceStream('header_part1').CopyTo(otp);
+    bw.Write(v);
+    GetResourceStream('header_part2').CopyTo(otp);
+    
+    var br := new System.IO.BinaryReader(System.IO.File.OpenRead(CommandLineArgs[0]));
+    br.BaseStream.Position := 19;
+    bw.Write(br.ReadBytes(br.BaseStream.Length-19));
+    
+    GetResourceStream('res_end').CopyTo(otp);
+    bw.Write(byte(icon.Width));
+    bw.Write(byte(icon.Width));
+    bw.Write(byte($10));
+    if icon.Width = 1 then
+      bw.Write(byte($FF)) else
+      bw.Write(byte($01));
+    bw.Write(byte($01));
+    bw.Write(byte($00));
+    bw.Write(byte($04));
+    bw.Write(byte($00));
+    bw.Write(v);
+    bw.Write(byte($00));
+    bw.Write(byte($00));
+    bw.Write(byte($01));
+    bw.Write(byte($00));
+    bw.Flush;
+    
+  except
+    on e: Exception do
+    begin
+      //WriteAllText('RC error log.txt', _ObjectToString(e));
+      //Exec('RC error log.txt');
+      Halt(e.HResult);
+    end;
+  end;
+end.
\ No newline at end of file
diff --git a/Utils/rc/res_end b/Utils/rc/res_end
new file mode 100644
index 000000000..e9ca7afab
Binary files /dev/null and b/Utils/rc/res_end differ
diff --git a/bin/rc.exe b/bin/rc.exe
new file mode 100644
index 000000000..078cfd51d
Binary files /dev/null and b/bin/rc.exe differ