diff --git a/Assets/UniGLTF/Editor/UniGLTF/ExportDialog/EditorProgress.cs b/Assets/UniGLTF/Editor/UniGLTF/ExportDialog/EditorProgress.cs
new file mode 100644
index 000000000..c2fdf1587
--- /dev/null
+++ b/Assets/UniGLTF/Editor/UniGLTF/ExportDialog/EditorProgress.cs
@@ -0,0 +1,13 @@
+using System;
+using UnityEditor;
+
+namespace UniGLTF
+{
+    public class EditorProgress : IProgress<ExportProgress>
+    {
+        public void Report(ExportProgress value)
+        {
+            EditorUtility.DisplayProgressBar(value.Title, value.Message, value.Progress);
+        }
+    }
+}
diff --git a/Assets/UniGLTF/Editor/UniGLTF/ExportDialog/EditorProgress.cs.meta b/Assets/UniGLTF/Editor/UniGLTF/ExportDialog/EditorProgress.cs.meta
new file mode 100644
index 000000000..bec5f71bf
--- /dev/null
+++ b/Assets/UniGLTF/Editor/UniGLTF/ExportDialog/EditorProgress.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 354f802e5f3f61145bafeda8e58307b6
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/UniGLTF/Editor/UniGLTF/ExportDialog/GltfExportWindow.cs b/Assets/UniGLTF/Editor/UniGLTF/ExportDialog/GltfExportWindow.cs
index c525a036b..30f85d0bf 100644
--- a/Assets/UniGLTF/Editor/UniGLTF/ExportDialog/GltfExportWindow.cs
+++ b/Assets/UniGLTF/Editor/UniGLTF/ExportDialog/GltfExportWindow.cs
@@ -100,40 +100,51 @@ namespace UniGLTF
                 default: throw new System.Exception();
             }
 
-            var data = new ExportingGltfData();
-            using (var exporter = new gltfExporter(data, Settings))
+            var progress = 0;
+            EditorUtility.DisplayProgressBar("export gltf", path, progress);
+            try
             {
-                exporter.Prepare(State.ExportRoot);
-                exporter.Export(new EditorTextureSerializer());
-            }
-
-            if (isGlb)
-            {
-                var bytes = data.ToGlbBytes();
-                File.WriteAllBytes(path, bytes);
-            }
-            else
-            {
-                var (json, buffer0) = data.ToGltf(path);
 
+                var data = new ExportingGltfData();
+                using (var exporter = new gltfExporter(data, Settings, new EditorProgress()))
                 {
-                    // write JSON without BOM
-                    var encoding = new System.Text.UTF8Encoding(false);
-                    File.WriteAllText(path, json, encoding);
+                    exporter.Prepare(State.ExportRoot);
+                    exporter.Export(new EditorTextureSerializer());
                 }
 
+                if (isGlb)
                 {
-                    // write to buffer0 local folder
-                    var dir = Path.GetDirectoryName(path);
-                    var bufferPath = Path.Combine(dir, buffer0.uri);
-                    File.WriteAllBytes(bufferPath, data.BinBytes.ToArray());
+                    var bytes = data.ToGlbBytes();
+                    File.WriteAllBytes(path, bytes);
                 }
-            }
+                else
+                {
+                    var (json, buffer0) = data.ToGltf(path);
 
-            if (path.StartsWithUnityAssetPath())
+                    {
+                        // write JSON without BOM
+                        var encoding = new System.Text.UTF8Encoding(false);
+                        File.WriteAllText(path, json, encoding);
+                    }
+
+                    {
+                        // write to buffer0 local folder
+                        var dir = Path.GetDirectoryName(path);
+                        var bufferPath = Path.Combine(dir, buffer0.uri);
+                        File.WriteAllBytes(bufferPath, data.BinBytes.ToArray());
+                    }
+                }
+
+                if (path.StartsWithUnityAssetPath())
+                {
+                    AssetDatabase.ImportAsset(path.ToUnityRelativePath());
+                    AssetDatabase.Refresh();
+                }
+
+            }
+            finally
             {
-                AssetDatabase.ImportAsset(path.ToUnityRelativePath());
-                AssetDatabase.Refresh();
+                EditorUtility.ClearProgressBar();
             }
         }
     }
diff --git a/Assets/UniGLTF/Runtime/UniGLTF/IO/ProgressInfo.cs b/Assets/UniGLTF/Runtime/UniGLTF/IO/ProgressInfo.cs
new file mode 100644
index 000000000..12b27ed3f
--- /dev/null
+++ b/Assets/UniGLTF/Runtime/UniGLTF/IO/ProgressInfo.cs
@@ -0,0 +1,25 @@
+using System;
+
+namespace UniGLTF
+{
+    public readonly struct ExportProgress
+    {
+        public readonly string Title;
+        public readonly string Message;
+        public readonly float Progress;
+
+        public ExportProgress(string title, string message, float progress)
+        {
+            Title = title;
+            Message = message;
+            Progress = progress;
+        }
+    }
+
+    public class NullProgress : IProgress<ExportProgress>
+    {
+        public void Report(ExportProgress value)
+        {
+        }
+    }
+}
diff --git a/Assets/UniGLTF/Runtime/UniGLTF/IO/ProgressInfo.cs.meta b/Assets/UniGLTF/Runtime/UniGLTF/IO/ProgressInfo.cs.meta
new file mode 100644
index 000000000..7a9f4e653
--- /dev/null
+++ b/Assets/UniGLTF/Runtime/UniGLTF/IO/ProgressInfo.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 2235603b34ed9d045b81273d88806b51
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/UniGLTF/Runtime/UniGLTF/IO/gltfExporter.cs b/Assets/UniGLTF/Runtime/UniGLTF/IO/gltfExporter.cs
index 4f8707b7b..e9014d5d1 100644
--- a/Assets/UniGLTF/Runtime/UniGLTF/IO/gltfExporter.cs
+++ b/Assets/UniGLTF/Runtime/UniGLTF/IO/gltfExporter.cs
@@ -68,7 +68,18 @@ namespace UniGLTF
 
         GltfExportSettings m_settings;
 
-        public gltfExporter(ExportingGltfData data, GltfExportSettings settings)
+        IProgress<ExportProgress> m_progress;
+
+        void ReportProgress(string msg, float progress)
+        {
+            if (m_progress == null)
+            {
+                return;
+            }
+            m_progress.Report(new ExportProgress("gltfExporter", msg, progress));
+        }
+
+        public gltfExporter(ExportingGltfData data, GltfExportSettings settings, IProgress<ExportProgress> progress = null)
         {
             _data = data;
 
@@ -113,6 +124,8 @@ namespace UniGLTF
                 // should throw ?
                 Debug.LogError("root mesh is not exported");
             }
+
+            ReportProgress("prepared", 0.1f);
         }
 
         public void Dispose()
@@ -233,6 +246,7 @@ namespace UniGLTF
             uniqueUnityMeshes.GetInfo(Nodes, m_settings);
 
             #region Materials and Textures
+            ReportProgress("Materials and Textures", 0.2f);
             Materials = uniqueUnityMeshes.GetUniqueMaterials().ToList();
 
             _textureExporter = new TextureExporter(textureSerializer);
@@ -242,6 +256,7 @@ namespace UniGLTF
             #endregion
 
             #region Meshes
+            ReportProgress("Meshes", 0.4f);
             MeshBlendShapeIndexMap = new Dictionary<Mesh, Dictionary<int, int>>();
             foreach (var unityMesh in uniqueUnityMeshes)
             {
@@ -265,6 +280,7 @@ namespace UniGLTF
             #endregion
 
             #region Nodes and Skins
+            ReportProgress("Nodes and Skins", 0.8f);
             var skins = uniqueUnityMeshes
                 .SelectMany(x => x.Renderers)
                 .Where(x => x.Item1 is SkinnedMeshRenderer && x.UniqueBones != null)
@@ -314,6 +330,7 @@ namespace UniGLTF
 
 #if UNITY_EDITOR
             #region Animations
+            ReportProgress("Animations", 0.9f);
 
             var clips = new List<AnimationClip>();
             var animator = Copy.GetComponent<Animator>();