diff --git a/AssetStudioGUI/AssetStudioGUI.csproj b/AssetStudioGUI/AssetStudioGUI.csproj
index 548402c..0afc83c 100644
--- a/AssetStudioGUI/AssetStudioGUI.csproj
+++ b/AssetStudioGUI/AssetStudioGUI.csproj
@@ -87,7 +87,6 @@
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Studio.cs" />
-    <Compile Include="TGASharpLib.cs" />
     <EmbeddedResource Include="AssetStudioGUIForm.resx">
       <DependentUpon>AssetStudioGUIForm.cs</DependentUpon>
     </EmbeddedResource>
diff --git a/AssetStudioGUI/Exporter.cs b/AssetStudioGUI/Exporter.cs
index 66b58e4..af83c22 100644
--- a/AssetStudioGUI/Exporter.cs
+++ b/AssetStudioGUI/Exporter.cs
@@ -324,14 +324,18 @@ namespace AssetStudioGUI
                 exportFullPath = Path.Combine(exportPath, item.Text + item.UniqueID, item.Text + ".fbx");
             }
             var m_Animator = (Animator)item.Asset;
-            var convert = animationList != null ? new ModelConverter(m_Animator, animationList.Select(x => (AnimationClip)x.Asset).ToArray()) : new ModelConverter(m_Animator);
+            var convert = animationList != null
+                ? new ModelConverter(m_Animator, Properties.Settings.Default.convertType, animationList.Select(x => (AnimationClip)x.Asset).ToArray())
+                : new ModelConverter(m_Animator, Properties.Settings.Default.convertType);
             ExportFbx(convert, exportFullPath);
             return true;
         }
 
         public static void ExportGameObject(GameObject gameObject, string exportPath, List<AssetItem> animationList = null)
         {
-            var convert = animationList != null ? new ModelConverter(gameObject, animationList.Select(x => (AnimationClip)x.Asset).ToArray()) : new ModelConverter(gameObject);
+            var convert = animationList != null
+                ? new ModelConverter(gameObject, Properties.Settings.Default.convertType, animationList.Select(x => (AnimationClip)x.Asset).ToArray())
+                : new ModelConverter(gameObject, Properties.Settings.Default.convertType);
             exportPath = exportPath + FixFileName(gameObject.m_Name) + ".fbx";
             ExportFbx(convert, exportPath);
         }
@@ -339,7 +343,9 @@ namespace AssetStudioGUI
         public static void ExportGameObjectMerge(List<GameObject> gameObject, string exportPath, List<AssetItem> animationList = null)
         {
             var rootName = Path.GetFileNameWithoutExtension(exportPath);
-            var convert = animationList != null ? new ModelConverter(rootName, gameObject, animationList.Select(x => (AnimationClip)x.Asset).ToArray()) : new ModelConverter(rootName, gameObject);
+            var convert = animationList != null
+                ? new ModelConverter(rootName, gameObject, Properties.Settings.Default.convertType, animationList.Select(x => (AnimationClip)x.Asset).ToArray())
+                : new ModelConverter(rootName, gameObject, Properties.Settings.Default.convertType);
             ExportFbx(convert, exportPath);
         }
 
diff --git a/AssetStudioUtility/AssetStudioUtility.csproj b/AssetStudioUtility/AssetStudioUtility.csproj
index dd4072a..780f4d6 100644
--- a/AssetStudioUtility/AssetStudioUtility.csproj
+++ b/AssetStudioUtility/AssetStudioUtility.csproj
@@ -73,6 +73,7 @@
     <Compile Include="ModelExporter.cs" />
     <Compile Include="MonoBehaviourConverter.cs" />
     <Compile Include="SerializedTypeHelper.cs" />
+    <Compile Include="TGASharpLib.cs" />
     <Compile Include="TypeDefinitionConverter.cs" />
     <Compile Include="MyAssemblyResolver.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
diff --git a/AssetStudioUtility/ModelConverter.cs b/AssetStudioUtility/ModelConverter.cs
index e24cbb7..c19b0c8 100644
--- a/AssetStudioUtility/ModelConverter.cs
+++ b/AssetStudioUtility/ModelConverter.cs
@@ -4,6 +4,7 @@ using System.Drawing.Imaging;
 using System.IO;
 using System.Linq;
 using System.Text;
+using TGASharpLib;
 
 namespace AssetStudio
 {
@@ -16,6 +17,7 @@ namespace AssetStudio
         public List<ImportedKeyframedAnimation> AnimationList { get; protected set; } = new List<ImportedKeyframedAnimation>();
         public List<ImportedMorph> MorphList { get; protected set; } = new List<ImportedMorph>();
 
+        private string imageFormat;
         private Avatar avatar;
         private HashSet<AnimationClip> animationClipHashSet = new HashSet<AnimationClip>();
         private Dictionary<uint, string> bonePathHash = new Dictionary<uint, string>();
@@ -23,8 +25,9 @@ namespace AssetStudio
         private Dictionary<Transform, ImportedFrame> transformDictionary = new Dictionary<Transform, ImportedFrame>();
         Dictionary<uint, string> morphChannelNames = new Dictionary<uint, string>();
 
-        public ModelConverter(GameObject m_GameObject, AnimationClip[] animationList = null)
+        public ModelConverter(GameObject m_GameObject, string imageFormat, AnimationClip[] animationList = null)
         {
+            this.imageFormat = imageFormat;
             if (m_GameObject.m_Animator != null)
             {
                 InitWithAnimator(m_GameObject.m_Animator);
@@ -47,8 +50,9 @@ namespace AssetStudio
             ConvertAnimations();
         }
 
-        public ModelConverter(string rootName, List<GameObject> m_GameObjects, AnimationClip[] animationList = null)
+        public ModelConverter(string rootName, List<GameObject> m_GameObjects, string imageFormat, AnimationClip[] animationList = null)
         {
+            this.imageFormat = imageFormat;
             RootFrame = CreateFrame(rootName, Vector3.Zero, new Quaternion(0, 0, 0, 0), Vector3.One);
             foreach (var m_GameObject in m_GameObjects)
             {
@@ -76,8 +80,9 @@ namespace AssetStudio
             ConvertAnimations();
         }
 
-        public ModelConverter(Animator m_Animator, AnimationClip[] animationList = null)
+        public ModelConverter(Animator m_Animator, string imageFormat, AnimationClip[] animationList = null)
         {
+            this.imageFormat = imageFormat;
             InitWithAnimator(m_Animator);
             if (animationList == null)
             {
@@ -689,15 +694,16 @@ namespace AssetStudio
 
                     texture.Dest = dest;
 
+                    var ext = $".{imageFormat.ToLower()}";
                     if (textureNameDictionary.TryGetValue(m_Texture2D, out var textureName))
                     {
                         texture.Name = textureName;
                     }
-                    else if (ImportedHelpers.FindTexture(m_Texture2D.m_Name + ".png", TextureList) != null) //已有相同名字的图片
+                    else if (ImportedHelpers.FindTexture(m_Texture2D.m_Name + ext, TextureList) != null) //已有相同名字的图片
                     {
                         for (int i = 1; ; i++)
                         {
-                            var name = m_Texture2D.m_Name + $" ({i}).png";
+                            var name = m_Texture2D.m_Name + $" ({i}){ext}";
                             if (ImportedHelpers.FindTexture(name, TextureList) == null)
                             {
                                 texture.Name = name;
@@ -708,7 +714,7 @@ namespace AssetStudio
                     }
                     else
                     {
-                        texture.Name = m_Texture2D.m_Name + ".png";
+                        texture.Name = m_Texture2D.m_Name + ext;
                         textureNameDictionary.Add(m_Texture2D, texture.Name);
                     }
 
@@ -739,7 +745,22 @@ namespace AssetStudio
             {
                 using (var stream = new MemoryStream())
                 {
-                    bitmap.Save(stream, ImageFormat.Png);
+                    switch (imageFormat)
+                    {
+                        case "BMP":
+                            bitmap.Save(stream, ImageFormat.Bmp);
+                            break;
+                        case "PNG":
+                            bitmap.Save(stream, ImageFormat.Png);
+                            break;
+                        case "JPEG":
+                            bitmap.Save(stream, ImageFormat.Jpeg);
+                            break;
+                        case "TGA":
+                            var tga = new TGA(bitmap);
+                            tga.Save(stream);
+                            break;
+                    }
                     iTex = new ImportedTexture(stream, name);
                     TextureList.Add(iTex);
                     bitmap.Dispose();
diff --git a/AssetStudioGUI/TGASharpLib.cs b/AssetStudioUtility/TGASharpLib.cs
similarity index 100%
rename from AssetStudioGUI/TGASharpLib.cs
rename to AssetStudioUtility/TGASharpLib.cs