diff --git a/BinaryMessageFiddlerExtension/BinaryRequestInspector.cs b/BinaryMessageFiddlerExtension/BinaryRequestInspector.cs
index 06c1bd0..3f72a3a 100644
--- a/BinaryMessageFiddlerExtension/BinaryRequestInspector.cs
+++ b/BinaryMessageFiddlerExtension/BinaryRequestInspector.cs
@@ -102,6 +102,14 @@ public override int GetOrder()
             return 1;
         }
 
+        public override void AssignSession(Session oS)
+        {
+            if (viewControl != null && oS != null)
+                viewControl.DefaultSaveFileName = String.Format("request{0}.xml", oS.id);
+
+            base.AssignSession(oS);
+        }
+
         public bool bDirty { get; set; }
 
         public bool bReadOnly
@@ -130,6 +138,9 @@ public byte[] body
             {
                 // when fiddler updates this inspector's content, our controls' content
                 binaryContent = value;
+                if (viewControl != null && String.IsNullOrEmpty(viewControl.DefaultSaveFileName))
+                    viewControl.DefaultSaveFileName = "request.xml";
+
                 UpdateControlContent();
             }
         }
diff --git a/BinaryMessageFiddlerExtension/BinaryResponseInspector.cs b/BinaryMessageFiddlerExtension/BinaryResponseInspector.cs
index db2dfc8..65207fe 100644
--- a/BinaryMessageFiddlerExtension/BinaryResponseInspector.cs
+++ b/BinaryMessageFiddlerExtension/BinaryResponseInspector.cs
@@ -57,6 +57,14 @@ public override int GetOrder()
             return 1;
         }
 
+        public override void AssignSession(Session oS)
+        {
+            if (viewControl != null && oS != null)
+                viewControl.DefaultSaveFileName = String.Format("response{0}.xml", oS.id);
+
+            base.AssignSession(oS);
+        }
+
         public bool bDirty 
         { 
             get { return false; } 
@@ -80,6 +88,9 @@ public byte[] body
             {
                 // when fiddler updates this inspector's content, our control's content
                 binaryContent = value;
+                if (viewControl != null && String.IsNullOrEmpty(viewControl.DefaultSaveFileName))
+                    viewControl.DefaultSaveFileName = "response.xml";
+
                 UpdateControlContent();
             }
         }
diff --git a/BinaryMessageFiddlerExtension/XmlTreeView.cs b/BinaryMessageFiddlerExtension/XmlTreeView.cs
index ab1ff02..bb2ff86 100644
--- a/BinaryMessageFiddlerExtension/XmlTreeView.cs
+++ b/BinaryMessageFiddlerExtension/XmlTreeView.cs
@@ -7,6 +7,7 @@
 using System.Text;
 using System.Windows.Forms;
 using System.Xml;
+using System.IO;
 
 namespace BinaryMessageFiddlerExtension
 {
@@ -17,6 +18,8 @@ public partial class XmlTreeView : UserControl
         // if the message body has fewer than this number of nodes, expand the entire body subtree.
         private const int AutoExpandAllThreshold = 50; //entirely arbitrary.
 
+        public string DefaultSaveFileName { get; set; }
+
         public TreeView TreeView
         {
             get
@@ -38,10 +41,12 @@ private void BuildContextMenu()
             // NodeMouseClick doesn't fire for middle click, so emulate that using mouseup/mousedown
             TreeView.MouseUp += new MouseEventHandler(TreeView_MouseUp);
             TreeView.MouseDown += new MouseEventHandler(TreeView_MouseDown);
+            TreeView.KeyDown += new KeyEventHandler(TreeView_KeyDown);
             TreeView.ContextMenu.MenuItems.Add(new MenuItem("Expand All", ExpandAll_Click, Shortcut.AltRightArrow));
             TreeView.ContextMenu.MenuItems.Add(new MenuItem("Collapse All", CollapseAll_Click, Shortcut.AltLeftArrow));
             TreeView.ContextMenu.MenuItems.Add(new MenuItem("Copy", CopyMenuItem_Click, Shortcut.CtrlC));
             TreeView.ContextMenu.MenuItems.Add(new MenuItem("Copy Tree", CopyTreeMenuItem_Click, Shortcut.CtrlShiftC));
+            TreeView.ContextMenu.MenuItems.Add(new MenuItem("Save Tree...", SaveTreeMenuItem_Click, Shortcut.CtrlS));
         }
 
         public void LoadXml(XmlDocument doc)
@@ -207,6 +212,42 @@ private void CopySubtreeContentToClipboard()
                 System.Windows.Forms.Clipboard.SetText(subtreeContent);
         }
 
+        private void SaveSubtreeContentToFile()
+        {
+            if (TreeView.SelectedNode == null)
+                return;
+
+            String subtreeContent = GenerateSubtreeString(TreeView.SelectedNode);
+            if (subtreeContent == null)
+                return;
+
+            using (SaveFileDialog saveFileDialog = new SaveFileDialog())
+            {
+                saveFileDialog.AddExtension = true;
+                saveFileDialog.DefaultExt = "xml";
+                saveFileDialog.FileName = String.IsNullOrEmpty(DefaultSaveFileName) ? "decoded-wcf.xml" : DefaultSaveFileName;
+                saveFileDialog.Filter = "XML Files (*.xml)|*.xml|All Files (*.*)|*.*";
+                saveFileDialog.OverwritePrompt = true;
+                saveFileDialog.Title = "Save decoded WCF XML";
+
+                if (saveFileDialog.ShowDialog(this) != DialogResult.OK)
+                    return;
+
+                try
+                {
+                    File.WriteAllText(saveFileDialog.FileName, subtreeContent, Encoding.UTF8);
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show(this,
+                        "Unable to save decoded XML: " + ex.Message,
+                        "Save decoded WCF XML",
+                        MessageBoxButtons.OK,
+                        MessageBoxIcon.Error);
+                }
+            }
+        }
+
         private string GenerateSubtreeString(TreeNode treeNode)
         {
             XmlNode xml = treeNode.Tag as XmlNode;
@@ -264,6 +305,16 @@ private void TreeView_MouseUp(object sender, MouseEventArgs e)
             }
         } 
 
+        private void TreeView_KeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.Control && !e.Shift && e.KeyCode == Keys.S)
+            {
+                SaveSubtreeContentToFile();
+                e.SuppressKeyPress = true;
+                e.Handled = true;
+            }
+        }
+
         private void CopyMenuItem_Click(Object sender, System.EventArgs e)
         {
             CopySelectedNodeContentToClipboard();
@@ -274,6 +325,11 @@ private void CopyTreeMenuItem_Click(Object sender, System.EventArgs e)
             CopySubtreeContentToClipboard();
         }
 
+        private void SaveTreeMenuItem_Click(Object sender, System.EventArgs e)
+        {
+            SaveSubtreeContentToFile();
+        }
+
         private void ExpandAll_Click(Object sender, System.EventArgs e)
         {
             ExpandAllSelectedNode();
diff --git a/BinaryMessageFiddlerExtension/bin/Release/BinaryMessageFiddlerExtension.dll b/BinaryMessageFiddlerExtension/bin/Release/BinaryMessageFiddlerExtension.dll
index 17254ad..2a66f8b 100644
Binary files a/BinaryMessageFiddlerExtension/bin/Release/BinaryMessageFiddlerExtension.dll and b/BinaryMessageFiddlerExtension/bin/Release/BinaryMessageFiddlerExtension.dll differ
diff --git a/README.md b/README.md
index 34c4bf7..8db44f5 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,7 @@ The tree view provides the following shortcuts:
 
 * Ctrl+c — Copy current node XML
 * Ctrl+Shift+c — Copy tree XML
+* Ctrl+s — Save tree XML to a file
 * Alt+→ — Expand node and all child nodes
 * Alt+← — Collapse node and all child nodes
 * Middle-click — Toggle expand/collapse of node and all child nodes