diff --git a/netxml2kml/Methods/CliOptionsHandlers.cs b/netxml2kml/Methods/CliOptionsHandlers.cs
index 7fc52f2..b95ca92 100644
--- a/netxml2kml/Methods/CliOptionsHandlers.cs
+++ b/netxml2kml/Methods/CliOptionsHandlers.cs
@@ -1,3 +1,4 @@
+using System.Xml.Linq;
 using Microsoft.EntityFrameworkCore;
 using netxml2kml.Data;
 using netxml2kml.Models;
@@ -116,9 +117,86 @@ public static class CliOptionsHandlers
         }
     }
     
-    private static string GetKmlString(IEnumerable<WirelessNetwork> wirelessNetworks)
+    private static string GetKmlString(IEnumerable<WirelessNetwork> wirelessNetworks,
+        string name = "WiFi Map",
+        string description = $"Autogenerated by a tool.\nhttps://github.com/cuqmbr/netxml2kml")
     {
-        return "test";
+        var kmlTree = new XDocument();
+
+        var kml = new XElement("kml");
+        var document = new XElement("Document",
+            new XElement("name", $"{name}"),
+            new XElement("description", $"{description}"));
+        
+        var wpa3Folder = new XElement("Folder",
+            new XElement("name", "WPA3"));
+        var wpa2Folder = new XElement("Folder",
+            new XElement("name", "WPA2"));
+        var wpaFolder = new XElement("Folder",
+            new XElement("name", "WPA"));
+        var wepFolder = new XElement("Folder",
+            new XElement("name", "WEP"));
+        var opnFolder = new XElement("Folder",
+            new XElement("name", "OPN"));
+        var unknownFolder = new XElement("Folder",
+            new XElement("name", "UNKNOWN"));
+
+        foreach (var wn in wirelessNetworks)
+        {
+            if (wn.Encryption == null)
+            {
+                AddWirelessNetworkPlacemark(unknownFolder, wn);
+            }
+            else if (wn.Encryption.Contains("None"))
+            {
+                AddWirelessNetworkPlacemark(opnFolder, wn);
+            }
+            else if (wn.Encryption.Contains("RC4"))
+            {
+                AddWirelessNetworkPlacemark(wepFolder, wn);
+            }
+            else if (wn.Encryption.Contains("TKIP"))
+            {
+                AddWirelessNetworkPlacemark(wpaFolder, wn);
+            }
+            else if (wn.Encryption.Contains("AES") || wn.Encryption.Contains("PSK"))
+            {
+                AddWirelessNetworkPlacemark(wpa2Folder, wn);
+            }
+            else if (wn.Encryption.Contains("SAE"))
+            {
+                AddWirelessNetworkPlacemark(wpa3Folder, wn);
+            }
+            else
+            {
+                AddWirelessNetworkPlacemark(unknownFolder, wn);
+            }
+        }
+        
+        document.Add(wpa3Folder);
+        document.Add(wpa2Folder);
+        document.Add(wpaFolder);
+        document.Add(wepFolder);
+        document.Add(opnFolder);
+        kml.Add(document);
+        kmlTree.Add(kml);
+        
+        return kmlTree.ToString();
+
+        void AddWirelessNetworkPlacemark(XElement parent, WirelessNetwork wn)
+        {
+            parent.Add(new XElement("Placemark",
+                new XElement("name", $"{wn.Essid}"),
+                new XElement("description",
+                    $"Name: {wn.Essid}" +
+                    $"\n\nManufacturer: {wn.Manufacturer}" +
+                    $"\n\nBSSID: {wn.Bssid}" +
+                    $"\n\nEncryption: {wn.Encryption}" +
+                    $"\n\nUpdated: {wn.LastUpdateDate}"),
+                new XElement("Point",
+                    new XElement("coordinates",
+                        $"{wn.MaxLongitude},{wn.MaxLatitude},{wn.MaxAltitude}"))));
+        }
     }
     
     private static void AddWirelessNetworksToDatabase(IEnumerable<WirelessNetwork> wirelessNetworks)
diff --git a/netxml2kml/Methods/Helpers.cs b/netxml2kml/Methods/Helpers.cs
index 9f4bd04..fa19256 100644
--- a/netxml2kml/Methods/Helpers.cs
+++ b/netxml2kml/Methods/Helpers.cs
@@ -7,8 +7,6 @@ public static class Helpers
 {
     public static WirelessNetwork[] DeserializeXml(FileInfo inputFile)
     {
-        /* Deserialize to MonoXSD autogenerated class model */
-
         var srcTree = XDocument.Load(inputFile.OpenRead());
         var srcNets = srcTree.Root!.Elements("wireless-network")
             .Where(wn => wn.Attribute("type")!.Value != "probe").ToList();
@@ -17,7 +15,6 @@ public static class Helpers
 
         for (int i = 0; i < srcNets.Count; i++)
         {
-            Console.WriteLine(i);
             var srcNet = srcNets[i];
 
             var essid = srcNet.Element("SSID")!.Element("essid")!.Value;
@@ -96,7 +93,7 @@ public static class Helpers
 
     public static void WriteStringToFile(string str, FileInfo file)
     {
-        var writer = new StreamWriter(file.OpenWrite());
+        var writer = new StreamWriter(file.Open(FileMode.Create));
         writer.Write(str);
         writer.Close();
     }