diff --git a/AssetStudioUtility/Texture2DConverter.cs b/AssetStudioUtility/Texture2DConverter.cs
index d8314586..3df0956a 100644
--- a/AssetStudioUtility/Texture2DConverter.cs
+++ b/AssetStudioUtility/Texture2DConverter.cs
@@ -92,7 +92,18 @@ public bool DecodeTexture2D(byte[] bytes)
                 reader.GetData(buff);
                 if (switchSwizzled)
                 {
-                    buff = Texture2DSwitchDeswizzler.Unswizzle(buff, GetUncroppedSize(), blockSize, gobsPerBlock);
+                    var unswizzledData = BigArrayPool<byte>.Shared.Rent(reader.Size);
+                    try
+                    {
+                        Texture2DSwitchDeswizzler.Unswizzle(buff, GetUncroppedSize(), blockSize, gobsPerBlock, unswizzledData);
+                        BigArrayPool<byte>.Shared.Return(buff, clearArray: true);
+                        buff = unswizzledData;
+                    }
+                    catch (Exception e)
+                    {
+                        BigArrayPool<byte>.Shared.Return(unswizzledData, clearArray: true);
+                        Logger.Error(e.Message, e);
+                    }
                 }
 
                 switch (m_TextureFormat)
diff --git a/AssetStudioUtility/Texture2DSwitchDeswizzler.cs b/AssetStudioUtility/Texture2DSwitchDeswizzler.cs
index 07f27672..58d9c7f9 100644
--- a/AssetStudioUtility/Texture2DSwitchDeswizzler.cs
+++ b/AssetStudioUtility/Texture2DSwitchDeswizzler.cs
@@ -43,10 +43,8 @@ private static int CeilDivide(int a, int b)
             return (a + b - 1) / b;
         }
 
-        internal static byte[] Unswizzle(byte[] data, Size imageSize, Size blockSize, int gobsPerBlock)
+        internal static void Unswizzle(byte[] data, Size imageSize, Size blockSize, int gobsPerBlock, byte[] newData)
         {
-            byte[] newData = new byte[data.Length];
-
             int width = imageSize.Width;
             int height = imageSize.Height;
 
@@ -71,14 +69,13 @@ internal static byte[] Unswizzle(byte[] data, Size imageSize, Size blockSize, in
                             int gobDstY = (i * gobsPerBlock + k) * GOB_Y_TEXEL_COUNT + gobY;
                             int gobDstLinPos = gobDstY * blockCountX * TEXEL_BYTE_SIZE + gobDstX * TEXEL_BYTE_SIZE;
 
-                            Array.Copy(data, srcPos, newData, gobDstLinPos, TEXEL_BYTE_SIZE);
+                            Buffer.BlockCopy(data, srcPos, newData, gobDstLinPos, TEXEL_BYTE_SIZE);
 
                             srcPos += TEXEL_BYTE_SIZE;
                         }
                     }
                 }
             }
-            return newData;
         }
 
         //this should be the amount of pixels that can fit 16 bytes