diff --git a/OSMDatastructure/Coordinates.cs b/OSMDatastructure/Coordinates.cs
index f077cfe..91730df 100644
--- a/OSMDatastructure/Coordinates.cs
+++ b/OSMDatastructure/Coordinates.cs
@@ -1,4 +1,5 @@
 using System.Globalization;
+using System.Text.Json.Serialization;
 
 namespace OSMDatastructure.Graph;
 
@@ -8,6 +9,7 @@ public class Coordinates
     public float latitude { get; }
     public float longitude { get; }
 
+    [JsonConstructor]
     public Coordinates(float latitude, float longitude)
     {
         this.latitude = latitude;
diff --git a/OSMDatastructure/OSMDatastructure.csproj b/OSMDatastructure/OSMDatastructure.csproj
index 6836c68..89e087d 100644
--- a/OSMDatastructure/OSMDatastructure.csproj
+++ b/OSMDatastructure/OSMDatastructure.csproj
@@ -6,4 +6,8 @@
         <Nullable>enable</Nullable>
     </PropertyGroup>
 
+    <ItemGroup>
+      <PackageReference Include="System.Runtime.Serialization.Json" Version="4.3.0" />
+    </ItemGroup>
+
 </Project>
diff --git a/OSMDatastructure/OsmEdge.cs b/OSMDatastructure/OsmEdge.cs
index fe3ecff..73ce69f 100644
--- a/OSMDatastructure/OsmEdge.cs
+++ b/OSMDatastructure/OsmEdge.cs
@@ -1,3 +1,5 @@
+using System.Text.Json.Serialization;
+
 namespace OSMDatastructure.Graph;
 
 [Serializable]
@@ -9,6 +11,7 @@ public class OsmEdge
     public ulong neighborRegion { get; }
     
 
+    [JsonConstructor]
     public OsmEdge(ulong wayId, ulong startId, ulong neighborId, ulong neighborRegion)
     {
         this.wayId = wayId;
diff --git a/OSMDatastructure/OsmNode.cs b/OSMDatastructure/OsmNode.cs
index 560865c..ebf0676 100644
--- a/OSMDatastructure/OsmNode.cs
+++ b/OSMDatastructure/OsmNode.cs
@@ -1,5 +1,6 @@
 using System.ComponentModel;
 using System.Runtime.Serialization;
+using System.Text.Json.Serialization;
 
 namespace OSMDatastructure.Graph;
 
@@ -7,13 +8,13 @@ namespace OSMDatastructure.Graph;
 public class OsmNode
 {
     public ulong nodeId { get; }
-    public HashSet<OsmEdge> edges { get; }
+    public HashSet<OsmEdge> edges { get; set; }
     public Coordinates coordinates { get; } 
     
-    [NonSerialized]public OsmNode? previousPathNode = null;
-    [NonSerialized]public double currentPathWeight = double.MaxValue;
-    [NonSerialized]public double currentPathLength = double.MaxValue;
-    [NonSerialized]public double directDistanceToGoal = double.MaxValue;
+    [JsonIgnore][NonSerialized]public OsmNode? previousPathNode = null;
+    [JsonIgnore][NonSerialized]public double currentPathWeight = double.MaxValue;
+    [JsonIgnore][NonSerialized]public double currentPathLength = double.MaxValue;
+    [JsonIgnore][NonSerialized]public double directDistanceToGoal = double.MaxValue;
 
     [OnDeserialized]
     internal void SetDefaultValues(StreamingContext context)
@@ -30,6 +31,7 @@ public class OsmNode
         this.coordinates = new Coordinates(lat, lon);
     }
 
+    [JsonConstructor]
     public OsmNode(ulong nodeId, Coordinates coordinates)
     {
         this.nodeId = nodeId;
diff --git a/OSMDatastructure/Region.cs b/OSMDatastructure/Region.cs
index fd6f784..20cd59a 100644
--- a/OSMDatastructure/Region.cs
+++ b/OSMDatastructure/Region.cs
@@ -1,4 +1,5 @@
-using System.Runtime.Serialization.Formatters.Binary;
+using System.Text.Json;
+using System.Text.Json.Serialization;
 using OSMDatastructure.Graph;
 
 namespace OSMDatastructure;
@@ -6,21 +7,32 @@ namespace OSMDatastructure;
 [Serializable]
 public class Region
 {
-    [NonSerialized]public const float RegionSize = 0.025f;
-    public readonly HashSet<OsmNode> nodes = new();
-    public ulong regionHash { get; }
-    public TagManager tagManager { get; }
+    [JsonIgnore]public const float RegionSize = 0.025f;
+    [JsonIgnore]public static readonly JsonSerializerOptions serializerOptions = new()
+    {
+        IncludeFields = true,
+        MaxDepth = 32,
+        IgnoreReadOnlyFields = false//,
+        //WriteIndented = true
+    };
 
+    [JsonRequired]public HashSet<OsmNode> nodes { get; set; }
+    public ulong regionHash { get; }
+    [JsonRequired]public TagManager tagManager { get; set; }
+
+    [JsonConstructor]
     public Region(ulong regionHash)
     {
         this.regionHash = regionHash;
         tagManager = new TagManager();
+        nodes = new HashSet<OsmNode>();
     }
 
     public Region(Coordinates coordinates)
     {
         regionHash = Coordinates.GetRegionHashCode(coordinates);
         tagManager = new TagManager();
+        nodes = new HashSet<OsmNode>();
     }
 
     public bool ContainsNode(ulong id)
@@ -49,11 +61,8 @@ public class Region
 
     public static Region? FromFile(string filePath)
     {
-        BinaryFormatter bFormatter = new BinaryFormatter();
-#pragma warning disable SYSLIB0011
         if (File.Exists(filePath))
-            return (Region)bFormatter.Deserialize(new FileStream(filePath, FileMode.Open));
-#pragma warning restore SYSLIB0011
+            return JsonSerializer.Deserialize<Region>(new FileStream(filePath, FileMode.Open), serializerOptions)!;
         else return null;
     }
 
diff --git a/OSMDatastructure/Tag.cs b/OSMDatastructure/Tag.cs
index 70ac08e..8bf2626 100644
--- a/OSMDatastructure/Tag.cs
+++ b/OSMDatastructure/Tag.cs
@@ -1,3 +1,6 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
 namespace OSMDatastructure.Graph;
 
 [Serializable]
@@ -6,11 +9,36 @@ public class Tag
     public TagType key { get; }
     public dynamic value { get; }
     
-    
+    [JsonConstructor]
     public Tag(TagType key, dynamic value)
     {
         this.key = key;
-        this.value = value;
+        if (value is JsonElement)
+        {
+            switch (key)
+            {
+                case TagType.highway:
+                    this.value = (WayType)value.GetByte();
+                    break;
+                case TagType.maxspeed:
+                    this.value = value.GetByte();
+                    break;
+                case TagType.forward:
+                case TagType.oneway:
+                    this.value = value.GetBoolean();
+                    break;
+                case TagType.id:
+                    this.value = value.GetUInt64();
+                    break;
+                default:
+                    this.value = value;
+                    break;
+            }
+        }
+        else
+        {
+            this.value = value;
+        }
     }
 
     public static Tag FromBytes(byte[] bytes)
diff --git a/OSMDatastructure/TagManager.cs b/OSMDatastructure/TagManager.cs
index 50263bd..3de7c5b 100644
--- a/OSMDatastructure/TagManager.cs
+++ b/OSMDatastructure/TagManager.cs
@@ -1,11 +1,16 @@
-using System.Runtime.CompilerServices;
+using System.Text.Json.Serialization;
 
 namespace OSMDatastructure.Graph;
 
 [Serializable]
 public class TagManager
 {
-    public readonly Dictionary<ulong, HashSet<Tag>> wayTagSets = new();
+    [JsonRequired]public Dictionary<ulong, HashSet<Tag>> wayTagSets { get; set; }
+
+    public TagManager()
+    {
+        wayTagSets = new();
+    }
 
     public bool ContainsKey(ulong wayId, Tag.TagType key)
     {
diff --git a/Server/RegionConverter.cs b/Server/RegionConverter.cs
index b7c31d9..12f76c1 100644
--- a/Server/RegionConverter.cs
+++ b/Server/RegionConverter.cs
@@ -1,5 +1,6 @@
 using System.Globalization;
 using System.Runtime.Serialization.Formatters.Binary;
+using System.Text.Json;
 using System.Xml;
 using OSMDatastructure;
 using OSMDatastructure.Graph;
@@ -46,7 +47,6 @@ public class RegionConverter
 
     private static Dictionary<ulong, ulong> GetNodesAndRegions(XmlReader xmlReader, string outputPath)
     {
-        BinaryFormatter bFormatter = new BinaryFormatter();
         Dictionary<ulong, ulong> nodeRegions = new();
         Dictionary<ulong, FileStream> regionFileStreams = new();
         Dictionary<ulong, OsmNode> tmpAllNodes = new();
@@ -82,6 +82,7 @@ public class RegionConverter
 
                 foreach (ulong nodeId in currentIds.Where(key => tmpAllNodes.ContainsKey(key)))
                 {
+                    BinaryFormatter bFormatter = new BinaryFormatter();
                     if (isHighway)
                     {
                         ulong regionHash = Coordinates.GetRegionHashCode(tmpAllNodes[nodeId].coordinates);
@@ -97,7 +98,7 @@ public class RegionConverter
                             regionFileStreams.Add(regionHash, nodesRegionStream);
                         }
                         nodeRegions.Add(nodeId, regionHash);
-                        
+
 #pragma warning disable SYSLIB0011 //eheheh
                         bFormatter.Serialize(nodesRegionStream, tmpAllNodes[nodeId]);
 #pragma warning restore SYSLIB0011
@@ -221,7 +222,6 @@ public class RegionConverter
 
     private static void CombineTmpFiles(string folderPath, HashSet<ulong> regionHashes)
     {
-        BinaryFormatter bFormatter = new BinaryFormatter();
         foreach (ulong regionId in regionHashes)
         {
             ValueTuple<Region, HashSet<OsmEdge>> tmpRegion = LoadRegion(folderPath, regionId);
@@ -233,11 +233,11 @@ public class RegionConverter
                     startNode.edges.Add(edge);
                 }
             }
-            FileStream tmpRegionFileStream = new FileStream(Path.Join(folderPath, $"{regionId}{RegionsFileName}"), FileMode.Create);
-#pragma warning disable SYSLIB0011
-            bFormatter.Serialize(tmpRegionFileStream, tmpRegion.Item1);
-#pragma warning restore SYSLIB0011
-            tmpRegionFileStream.Dispose();
+            
+            using (FileStream tmpRegionFileStream = new FileStream(Path.Join(folderPath, $"{regionId}{RegionsFileName}"), FileMode.Create))
+            {
+                JsonSerializer.Serialize(tmpRegionFileStream, tmpRegion.Item1, typeof(Region), Region.serializerOptions);
+            }
             Directory.Delete(Path.Join(folderPath, regionId.ToString()), true);
         }
     }
diff --git a/Server/Server.csproj b/Server/Server.csproj
index 0469d09..9022c04 100644
--- a/Server/Server.csproj
+++ b/Server/Server.csproj
@@ -11,4 +11,8 @@
       <ProjectReference Include="..\Pathfinding\Pathfinding.csproj" />
     </ItemGroup>
 
+    <ItemGroup>
+      <PackageReference Include="System.Runtime.Serialization.Json" Version="4.3.0" />
+    </ItemGroup>
+
 </Project>