diff --git a/AssetStudio/Classes/Mesh.cs b/AssetStudio/Classes/Mesh.cs
index 0945f43..0a2369d 100644
--- a/AssetStudio/Classes/Mesh.cs
+++ b/AssetStudio/Classes/Mesh.cs
@@ -729,7 +729,7 @@ namespace AssetStudio
                             }
                         }
 
-                        if (reader.endian == EndianType.BigEndian && componentByteSize > 1) //swap bytes
+                        if (reader.Endian == EndianType.BigEndian && componentByteSize > 1) //swap bytes
                         {
                             for (var i = 0; i < componentBytes.Length / componentByteSize; i++)
                             {
diff --git a/AssetStudio/EndianBinaryReader.cs b/AssetStudio/EndianBinaryReader.cs
index 5056a66..9beb801 100644
--- a/AssetStudio/EndianBinaryReader.cs
+++ b/AssetStudio/EndianBinaryReader.cs
@@ -1,23 +1,19 @@
 using System;
-using System.Collections.Generic;
-using System.Text;
+using System.Buffers.Binary;
 using System.IO;
 
 namespace AssetStudio
 {
-    public enum EndianType
-    {
-        LittleEndian,
-        BigEndian
-    }
-
     public class EndianBinaryReader : BinaryReader
     {
-        public EndianType endian;
+        private readonly byte[] buffer;
+
+        public EndianType Endian;
 
         public EndianBinaryReader(Stream stream, EndianType endian = EndianType.BigEndian) : base(stream)
         {
-            this.endian = endian;
+            Endian = endian;
+            buffer = new byte[8];
         }
 
         public long Position
@@ -28,88 +24,82 @@ namespace AssetStudio
 
         public override short ReadInt16()
         {
-            if (endian == EndianType.BigEndian)
+            if (Endian == EndianType.BigEndian)
             {
-                var buff = ReadBytes(2);
-                Array.Reverse(buff);
-                return BitConverter.ToInt16(buff, 0);
+                Read(buffer, 0, 2);
+                return BinaryPrimitives.ReadInt16BigEndian(buffer);
             }
             return base.ReadInt16();
         }
 
         public override int ReadInt32()
         {
-            if (endian == EndianType.BigEndian)
+            if (Endian == EndianType.BigEndian)
             {
-                var buff = ReadBytes(4);
-                Array.Reverse(buff);
-                return BitConverter.ToInt32(buff, 0);
+                Read(buffer, 0, 4);
+                return BinaryPrimitives.ReadInt32BigEndian(buffer);
             }
             return base.ReadInt32();
         }
 
         public override long ReadInt64()
         {
-            if (endian == EndianType.BigEndian)
+            if (Endian == EndianType.BigEndian)
             {
-                var buff = ReadBytes(8);
-                Array.Reverse(buff);
-                return BitConverter.ToInt64(buff, 0);
+                Read(buffer, 0, 8);
+                return BinaryPrimitives.ReadInt64BigEndian(buffer);
             }
             return base.ReadInt64();
         }
 
         public override ushort ReadUInt16()
         {
-            if (endian == EndianType.BigEndian)
+            if (Endian == EndianType.BigEndian)
             {
-                var buff = ReadBytes(2);
-                Array.Reverse(buff);
-                return BitConverter.ToUInt16(buff, 0);
+                Read(buffer, 0, 2);
+                return BinaryPrimitives.ReadUInt16BigEndian(buffer);
             }
             return base.ReadUInt16();
         }
 
         public override uint ReadUInt32()
         {
-            if (endian == EndianType.BigEndian)
+            if (Endian == EndianType.BigEndian)
             {
-                var buff = ReadBytes(4);
-                Array.Reverse(buff);
-                return BitConverter.ToUInt32(buff, 0);
+                Read(buffer, 0, 4);
+                return BinaryPrimitives.ReadUInt32BigEndian(buffer);
             }
             return base.ReadUInt32();
         }
 
         public override ulong ReadUInt64()
         {
-            if (endian == EndianType.BigEndian)
+            if (Endian == EndianType.BigEndian)
             {
-                var buff = ReadBytes(8);
-                Array.Reverse(buff);
-                return BitConverter.ToUInt64(buff, 0);
+                Read(buffer, 0, 8);
+                return BinaryPrimitives.ReadUInt64BigEndian(buffer);
             }
             return base.ReadUInt64();
         }
 
         public override float ReadSingle()
         {
-            if (endian == EndianType.BigEndian)
+            if (Endian == EndianType.BigEndian)
             {
-                var buff = ReadBytes(4);
-                Array.Reverse(buff);
-                return BitConverter.ToSingle(buff, 0);
+                Read(buffer, 0, 4);
+                Array.Reverse(buffer, 0, 4);
+                return BitConverter.ToSingle(buffer, 0);
             }
             return base.ReadSingle();
         }
 
         public override double ReadDouble()
         {
-            if (endian == EndianType.BigEndian)
+            if (Endian == EndianType.BigEndian)
             {
-                var buff = ReadBytes(8);
-                Array.Reverse(buff);
-                return BitConverter.ToDouble(buff, 0);
+                Read(buffer, 0, 8);
+                Array.Reverse(buffer);
+                return BitConverter.ToDouble(buffer, 0);
             }
             return base.ReadDouble();
         }
diff --git a/AssetStudio/EndianType.cs b/AssetStudio/EndianType.cs
new file mode 100644
index 0000000..e178263
--- /dev/null
+++ b/AssetStudio/EndianType.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AssetStudio
+{
+    public enum EndianType
+    {
+        LittleEndian,
+        BigEndian
+    }
+}
diff --git a/AssetStudio/ObjectReader.cs b/AssetStudio/ObjectReader.cs
index 47b33bc..deb253b 100644
--- a/AssetStudio/ObjectReader.cs
+++ b/AssetStudio/ObjectReader.cs
@@ -20,7 +20,7 @@ namespace AssetStudio
         public int[] version => assetsFile.version;
         public BuildType buildType => assetsFile.buildType;
 
-        public ObjectReader(EndianBinaryReader reader, SerializedFile assetsFile, ObjectInfo objectInfo) : base(reader.BaseStream, reader.endian)
+        public ObjectReader(EndianBinaryReader reader, SerializedFile assetsFile, ObjectInfo objectInfo) : base(reader.BaseStream, reader.Endian)
         {
             this.assetsFile = assetsFile;
             m_PathID = objectInfo.m_PathID;
diff --git a/AssetStudio/SerializedFile.cs b/AssetStudio/SerializedFile.cs
index d10210d..41f8d90 100644
--- a/AssetStudio/SerializedFile.cs
+++ b/AssetStudio/SerializedFile.cs
@@ -68,7 +68,7 @@ namespace AssetStudio
             // ReadMetadata
             if (m_FileEndianess == 0)
             {
-                reader.endian = EndianType.LittleEndian;
+                reader.Endian = EndianType.LittleEndian;
             }
             if (header.m_Version >= SerializedFileFormatVersion.kUnknown_7)
             {
diff --git a/AssetStudio/WebFile.cs b/AssetStudio/WebFile.cs
index face612..ca61f85 100644
--- a/AssetStudio/WebFile.cs
+++ b/AssetStudio/WebFile.cs
@@ -17,7 +17,7 @@ namespace AssetStudio
 
         public WebFile(EndianBinaryReader reader)
         {
-            reader.endian = EndianType.LittleEndian;
+            reader.Endian = EndianType.LittleEndian;
             var signature = reader.ReadStringToNull();
             var headLength = reader.ReadInt32();
             var dataList = new List<WebData>();