diff --git a/Assets/MeshUtility/Editor/TextureSaver.cs b/Assets/MeshUtility/Editor/TextureSaver.cs
new file mode 100644
index 000000000..cffbd39f0
--- /dev/null
+++ b/Assets/MeshUtility/Editor/TextureSaver.cs
@@ -0,0 +1,51 @@
+using System.IO;
+using UnityEditor;
+using UnityEngine;
+
+namespace MeshUtility
+{
+    public static class EditorChangeTextureType
+    {
+        [MenuItem("Assets/SaveAsPng", true)]
+        static bool IsTextureAsset()
+        {
+            return Selection.activeObject is Texture2D;
+        }
+
+        [MenuItem("Assets/SaveAsPng")]
+        static void SaveAsPng()
+        {
+            var texture = Selection.activeObject as Texture2D;
+            var path = SaveDialog(texture.name);
+            if (string.IsNullOrEmpty(path))
+            {
+                return;
+            }
+
+            File.WriteAllBytes(path, texture.EncodeToPNG());
+            Debug.Log($"save: ${path}");
+        }
+
+        private static string m_lastExportDir;
+        static string SaveDialog(string name)
+        {
+            string directory;
+            if (string.IsNullOrEmpty(m_lastExportDir))
+                directory = Directory.GetParent(Application.dataPath).ToString();
+            else
+                directory = m_lastExportDir;
+
+            // save dialog
+            var path = EditorUtility.SaveFilePanel(
+                    "Save png",
+                    directory,
+                    $"{name}.png",
+                    "png");
+            if (!string.IsNullOrEmpty(path))
+            {
+                m_lastExportDir = Path.GetDirectoryName(path).Replace("\\", "/");
+            }
+            return path;
+        }
+    }
+}
diff --git a/Assets/MeshUtility/Editor/TextureSaver.cs.meta b/Assets/MeshUtility/Editor/TextureSaver.cs.meta
new file mode 100644
index 000000000..733e8bdc1
--- /dev/null
+++ b/Assets/MeshUtility/Editor/TextureSaver.cs.meta
@@ -0,0 +1,11 @@
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+guid: 01c8541cb3fd27f4882e3d32c37a45aa
+MonoImporter:
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+  serializedVersion: 2
+  defaultReferences: []
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