diff --git a/DDS_D3DTX_Converter_GUI/DDS_D3DTX_Converter/DirectX/D3D9_PIXELFORMAT.cs b/DDS_D3DTX_Converter_GUI/DDS_D3DTX_Converter/DirectX/D3D9_PIXELFORMAT.cs
new file mode 100644
index 0000000..b22dbe8
--- /dev/null
+++ b/DDS_D3DTX_Converter_GUI/DDS_D3DTX_Converter/DirectX/D3D9_PIXELFORMAT.cs
@@ -0,0 +1,79 @@
+using DirectXTexNet;
+
+namespace D3DTX_Converter.DirectX
+{
+
+    /// <summary>
+    /// This class will be used for legacy D3D9 formats. TWDS1 and previous games use D3D9 formats directly, instead of having enums.
+    /// </summary>
+    public class D3D9
+    {
+        public static DXGI_FORMAT GetDXGIFormat(int value)
+        {
+            switch (value)
+            {
+                case 83: return DXGI_FORMAT.D24_UNORM_S8_UINT;
+                case 82: return DXGI_FORMAT.D32_FLOAT;
+                case 79: return DXGI_FORMAT.D24_UNORM_S8_UINT;
+                case 77: return DXGI_FORMAT.D24_UNORM_S8_UINT;
+                case 81: return DXGI_FORMAT.R16_UNORM;
+                case 80: return DXGI_FORMAT.D16_UNORM;
+                case 75: return DXGI_FORMAT.D24_UNORM_S8_UINT;
+                case 73: return DXGI_FORMAT.D16_UNORM;
+                case 71: return DXGI_FORMAT.D32_FLOAT;
+                case 70: return DXGI_FORMAT.D16_UNORM;
+                case 1111970375: return DXGI_FORMAT.R8G8_B8G8_UNORM;
+                case 1195525970: return DXGI_FORMAT.G8R8_G8B8_UNORM;
+                //  case 117: return DXGI_FORMAT.CxV8U8_UNORM;
+                case 116: return DXGI_FORMAT.R32G32B32A32_FLOAT;
+                case 115: return DXGI_FORMAT.R32G32_FLOAT;
+                case 114: return DXGI_FORMAT.R32_FLOAT;
+                case 113: return DXGI_FORMAT.R16G16B16A16_FLOAT;
+                case 112: return DXGI_FORMAT.R16G16_FLOAT;
+                case 111: return DXGI_FORMAT.R16_FLOAT;
+                case 827606349: return DXGI_FORMAT.R8G8B8A8_UNORM; // Assuming this is what was meant by "Multi2Argb8"
+                case 110: return DXGI_FORMAT.R16G16B16A16_SNORM;
+                case 100: return DXGI_FORMAT.UNKNOWN; // Assuming this is what was meant by "VertexData", as it's not a DXGI format
+                case 894720068: return DXGI_FORMAT.BC3_UNORM; // Assuming Dxt5
+                case 877942852: return DXGI_FORMAT.BC2_UNORM; // Assuming Dxt4
+                case 861165636: return DXGI_FORMAT.BC2_UNORM; // Assuming Dxt3
+                case 844388420: return DXGI_FORMAT.BC2_UNORM; // Assuming Dxt2
+                case 827611204: return DXGI_FORMAT.BC1_UNORM; // Assuming Dxt1
+                case 844715353: return DXGI_FORMAT.YUY2;
+                //   case 1498831189: return DXGI_FORMAT.UYVY;
+                case 67: return DXGI_FORMAT.R10G10B10A2_UNORM;
+                case 64: return DXGI_FORMAT.R16G16_UNORM;
+                case 63: return DXGI_FORMAT.R8G8B8A8_UNORM;
+                case 62: return DXGI_FORMAT.R8G8B8A8_UNORM;
+                case 61: return DXGI_FORMAT.R8G8B8A8_UNORM;
+                case 60: return DXGI_FORMAT.R8G8_UNORM;
+                //   case 52: return DXGI_FORMAT.R4G4_UNORM_PACK8;
+                case 51: return DXGI_FORMAT.R8G8_UNORM;
+                case 50: return DXGI_FORMAT.R8_UNORM;
+                case 41: return DXGI_FORMAT.R8_UINT;
+                case 40: return DXGI_FORMAT.R8G8_UINT;
+                case 36: return DXGI_FORMAT.R16G16B16A16_UNORM;
+                //   case 35: return DXGI_FORMAT.A2R10G10B10_UNORM_PACK32;
+                case 34: return DXGI_FORMAT.R16G16_UNORM;
+                case 33: return DXGI_FORMAT.B8G8R8X8_UNORM; // Assuming X8B8G8R8
+                case 32: return DXGI_FORMAT.R8G8B8A8_UNORM;
+                case 31: return DXGI_FORMAT.R10G10B10A2_UNORM;
+                //    case 30: return DXGI_FORMAT.B4G4R4A4_UNORM_PACK16;
+                //   case 29: return DXGI_FORMAT.A8R3G3B2_UNORM_PACK8;
+                case 28: return DXGI_FORMAT.A8_UNORM;
+                //   case 27: return DXGI_FORMAT.R3G3B2_UNORM;
+                //   case 26: return DXGI_FORMAT.B4G4R4A4_UNORM_PACK16;
+                //   case 25: return DXGI_FORMAT.B5G5R5A1_UNORM_PACK16;
+                //    case 24: return DXGI_FORMAT.B5G5R5A1_UNORM_PACK16;
+                case 23: return DXGI_FORMAT.B5G6R5_UNORM;
+                case 22: return DXGI_FORMAT.B8G8R8X8_UNORM;
+                case 21: return DXGI_FORMAT.B8G8R8A8_UNORM;
+                case 20: return DXGI_FORMAT.B8G8R8X8_UNORM; // Assuming R8G8B8
+                default: return DXGI_FORMAT.UNKNOWN;
+            }
+        }
+    }
+
+    // Define DXGI_FORMAT enumeration
+
+}
\ No newline at end of file