diff --git a/Source/Engine/CSG/CSGBuilder.cpp b/Source/Engine/CSG/CSGBuilder.cpp
index fa8ce6291..323c93480 100644
--- a/Source/Engine/CSG/CSGBuilder.cpp
+++ b/Source/Engine/CSG/CSGBuilder.cpp
@@ -433,7 +433,7 @@ bool CSGBuilderImpl::generateRawDataAsset(Scene* scene, RawData& meshData, Guid&
 
     // Serialize
     BytesContainer bytesContainer;
-    bytesContainer.Link(stream.GetHandle(), stream.GetPosition());
+    bytesContainer.Link(ToSpan(stream));
     return AssetsImportingManager::Create(AssetsImportingManager::CreateRawDataTag, assetPath, assetId, (void*)&bytesContainer);
 }
 
diff --git a/Source/Engine/Content/Assets/Animation.cpp b/Source/Engine/Content/Assets/Animation.cpp
index 8d4a03abb..af534d22a 100644
--- a/Source/Engine/Content/Assets/Animation.cpp
+++ b/Source/Engine/Content/Assets/Animation.cpp
@@ -221,7 +221,7 @@ void Animation::LoadTimeline(BytesContainer& result) const
         }
     }
 
-    result.Copy(stream.GetHandle(), stream.GetPosition());
+    result.Copy(ToSpan(stream));
 }
 
 bool Animation::SaveTimeline(BytesContainer& data)
@@ -476,7 +476,7 @@ bool Animation::Save(const StringView& path)
         // Set data to the chunk asset
         auto chunk0 = GetOrCreateChunk(0);
         ASSERT(chunk0 != nullptr);
-        chunk0->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        chunk0->Data.Copy(ToSpan(stream));
     }
 
     // Save
diff --git a/Source/Engine/Content/Assets/AnimationGraph.cpp b/Source/Engine/Content/Assets/AnimationGraph.cpp
index f5d3a8073..8a8570435 100644
--- a/Source/Engine/Content/Assets/AnimationGraph.cpp
+++ b/Source/Engine/Content/Assets/AnimationGraph.cpp
@@ -123,7 +123,7 @@ bool AnimationGraph::InitAsAnimation(SkinnedModel* baseModel, Animation* anim, b
 
     // Load Graph data (with initialization)
     ScopeLock lock(Locker);
-    MemoryReadStream readStream(writeStream.GetHandle(), writeStream.GetPosition());
+    MemoryReadStream readStream(ToSpan(writeStream));
     return Graph.Load(&readStream, USE_EDITOR);
 }
 
@@ -140,7 +140,7 @@ BytesContainer AnimationGraph::LoadSurface()
         if (!Graph.Save(&stream, USE_EDITOR))
         {
             BytesContainer result;
-            result.Copy(stream.GetHandle(), stream.GetPosition());
+            result.Copy(ToSpan(stream));
             return result;
         }
     }
diff --git a/Source/Engine/Content/Assets/Material.cpp b/Source/Engine/Content/Assets/Material.cpp
index 3c2330c93..9b0f537af 100644
--- a/Source/Engine/Content/Assets/Material.cpp
+++ b/Source/Engine/Content/Assets/Material.cpp
@@ -229,7 +229,7 @@ Asset::LoadResult Material::load()
             // Save layer to the chunk data
             MemoryWriteStream stream(512);
             layer->Graph.Save(&stream, false);
-            surfaceChunk->Data.Copy(stream.GetHandle(), stream.GetPosition());
+            surfaceChunk->Data.Copy(ToSpan(stream));
         }
         generator.AddLayer(layer);
 
@@ -542,7 +542,7 @@ BytesContainer Material::LoadSurface(bool createDefaultIfMissing)
         layer->Graph.Save(&stream, false);
 
         // Set output data
-        result.Copy(stream.GetHandle(), stream.GetPosition());
+        result.Copy(ToSpan(stream));
         return result;
     }
 
diff --git a/Source/Engine/Content/Assets/MaterialInstance.cpp b/Source/Engine/Content/Assets/MaterialInstance.cpp
index 13d46db09..28bbf8a8c 100644
--- a/Source/Engine/Content/Assets/MaterialInstance.cpp
+++ b/Source/Engine/Content/Assets/MaterialInstance.cpp
@@ -334,7 +334,7 @@ bool MaterialInstance::Save(const StringView& path)
         // Save parameters
         Params.Save(&stream);
     }
-    SetChunk(0, ToSpan(stream.GetHandle(), stream.GetPosition()));
+    SetChunk(0, ToSpan(stream));
 
     // Setup asset data
     AssetInitData data;
diff --git a/Source/Engine/Content/Assets/Model.cpp b/Source/Engine/Content/Assets/Model.cpp
index 01adbd207..915066fc2 100644
--- a/Source/Engine/Content/Assets/Model.cpp
+++ b/Source/Engine/Content/Assets/Model.cpp
@@ -279,7 +279,7 @@ bool Model::GenerateSDF(float resolutionScale, int32 lodIndex, bool cacheData, f
     if (cacheData)
     {
         auto chunk = GetOrCreateChunk(15);
-        chunk->Data.Copy(sdfStream.GetHandle(), sdfStream.GetPosition());
+        chunk->Data.Copy(ToSpan(sdfStream));
         chunk->Flags |= FlaxChunkFlags::KeepInMemory; // Prevent GC-ing chunk data so it will be properly saved
     }
 #endif
@@ -484,7 +484,7 @@ bool Model::Save(bool withMeshDataFromGpu, Function<FlaxChunk*(int32)>& getChunk
                 sdfStream.WriteBytes(&mipData, sizeof(mipData));
                 sdfStream.WriteBytes(mip.Data.Get(), mip.Data.Length());
             }
-            sdfChunk->Data.Copy(sdfStream.GetHandle(), sdfStream.GetPosition());
+            sdfChunk->Data.Copy(ToSpan(sdfStream));
         }
     }
     else
diff --git a/Source/Engine/Content/Assets/ModelBase.cpp b/Source/Engine/Content/Assets/ModelBase.cpp
index 9aa2aed6a..b194d9861 100644
--- a/Source/Engine/Content/Assets/ModelBase.cpp
+++ b/Source/Engine/Content/Assets/ModelBase.cpp
@@ -265,7 +265,7 @@ bool ModelBase::Save(bool withMeshDataFromGpu, const StringView& path)
             auto lodChunk = getChunk(MODEL_LOD_TO_CHUNK_INDEX(lodIndex));
             if (lodChunk == nullptr)
                 return true;
-            lodChunk->Data.Copy(meshesStream.GetHandle(), meshesStream.GetPosition());
+            lodChunk->Data.Copy(ToSpan(meshesStream));
         }
     }
     else if (!IsVirtual())
@@ -289,7 +289,7 @@ bool ModelBase::Save(bool withMeshDataFromGpu, const StringView& path)
             return true;
         auto headerChunk = getChunk(0);
         ASSERT(headerChunk != nullptr);
-        headerChunk->Data.Copy(headerStream.GetHandle(), headerStream.GetPosition());
+        headerChunk->Data.Copy(ToSpan(headerStream));
     }
 
     // Save file
diff --git a/Source/Engine/Content/Assets/SkeletonMask.cpp b/Source/Engine/Content/Assets/SkeletonMask.cpp
index 260e8ddf0..48fd71678 100644
--- a/Source/Engine/Content/Assets/SkeletonMask.cpp
+++ b/Source/Engine/Content/Assets/SkeletonMask.cpp
@@ -98,7 +98,7 @@ bool SkeletonMask::Save(const StringView& path)
         Platform::MemoryClear(tmpChunks, sizeof(tmpChunks));
         FlaxChunk chunk;
         tmpChunks[0] = &chunk;
-        tmpChunks[0]->Data.Link(stream.GetHandle(), stream.GetPosition());
+        tmpChunks[0]->Data.Link(ToSpan(stream));
 
         AssetInitData initData;
         initData.SerializedVersion = SerializedVersion;
@@ -109,7 +109,7 @@ bool SkeletonMask::Save(const StringView& path)
     else
     {
         auto chunk0 = GetChunk(0);
-        chunk0->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        chunk0->Data.Copy(ToSpan(stream));
 
         AssetInitData initData;
         initData.SerializedVersion = SerializedVersion;
diff --git a/Source/Engine/Content/Assets/VisualScript.cpp b/Source/Engine/Content/Assets/VisualScript.cpp
index 1cba4a709..c8b0fbf7e 100644
--- a/Source/Engine/Content/Assets/VisualScript.cpp
+++ b/Source/Engine/Content/Assets/VisualScript.cpp
@@ -1700,7 +1700,7 @@ ScriptingObject* VisualScriptingBinaryModule::VisualScriptObjectSpawn(const Scri
             // Special case for C# object property in Visual Script so duplicate the object instead of cloning the reference to it
             MemoryWriteStream writeStream;
             writeStream.Write(param);
-            MemoryReadStream readStream(writeStream.GetHandle(), writeStream.GetPosition());
+            MemoryReadStream readStream(ToSpan(writeStream));
             readStream.Read(param);
         }
     }
@@ -2231,7 +2231,7 @@ bool VisualScript::SaveSurface(const BytesContainer& data, const Metadata& meta)
         metaStream.Write(meta.BaseTypename, 31);
         metaStream.Write((int32)meta.Flags);
     }
-    GetOrCreateChunk(1)->Data.Copy(metaStream.GetHandle(), metaStream.GetPosition());
+    GetOrCreateChunk(1)->Data.Copy(ToSpan(metaStream));
 
     // Save
     AssetInitData assetData;
diff --git a/Source/Engine/ContentImporters/CreateAnimation.h b/Source/Engine/ContentImporters/CreateAnimation.h
index dd6db2caf..8749fe98d 100644
--- a/Source/Engine/ContentImporters/CreateAnimation.h
+++ b/Source/Engine/ContentImporters/CreateAnimation.h
@@ -43,7 +43,7 @@ public:
         // Copy to asset chunk
         if (context.AllocateChunk(0))
             return CreateAssetResult::CannotAllocateChunk;
-        context.Data.Header.Chunks[0]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        context.Data.Header.Chunks[0]->Data.Copy(ToSpan(stream));
 
         return CreateAssetResult::Ok;
     }
diff --git a/Source/Engine/ContentImporters/CreateAnimationGraph.cpp b/Source/Engine/ContentImporters/CreateAnimationGraph.cpp
index 77cb22560..da4995eca 100644
--- a/Source/Engine/ContentImporters/CreateAnimationGraph.cpp
+++ b/Source/Engine/ContentImporters/CreateAnimationGraph.cpp
@@ -40,7 +40,7 @@ CreateAssetResult CreateAnimationGraph::Create(CreateAssetContext& context)
     // Copy to asset chunk
     if (context.AllocateChunk(0))
         return CreateAssetResult::CannotAllocateChunk;
-    context.Data.Header.Chunks[0]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+    context.Data.Header.Chunks[0]->Data.Copy(ToSpan(stream));
 
     return CreateAssetResult::Ok;
 }
diff --git a/Source/Engine/ContentImporters/CreateAnimationGraphFunction.h b/Source/Engine/ContentImporters/CreateAnimationGraphFunction.h
index 1d212f0f4..f4e6b0871 100644
--- a/Source/Engine/ContentImporters/CreateAnimationGraphFunction.h
+++ b/Source/Engine/ContentImporters/CreateAnimationGraphFunction.h
@@ -44,7 +44,7 @@ public:
             return CreateAssetResult::Error;
         if (context.AllocateChunk(0))
             return CreateAssetResult::CannotAllocateChunk;
-        context.Data.Header.Chunks[0]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        context.Data.Header.Chunks[0]->Data.Copy(ToSpan(stream));
 
         return CreateAssetResult::Ok;
     }
diff --git a/Source/Engine/ContentImporters/CreateBehaviorTree.h b/Source/Engine/ContentImporters/CreateBehaviorTree.h
index e1c77228c..1665b6726 100644
--- a/Source/Engine/ContentImporters/CreateBehaviorTree.h
+++ b/Source/Engine/ContentImporters/CreateBehaviorTree.h
@@ -26,7 +26,7 @@ public:
             const BehaviorTreeGraph graph;
             MemoryWriteStream stream(64);
             graph.Save(&stream, true);
-            context.Data.Header.Chunks[0]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+            context.Data.Header.Chunks[0]->Data.Copy(ToSpan(stream));
         }
 
         return CreateAssetResult::Ok;
diff --git a/Source/Engine/ContentImporters/CreateMaterial.cpp b/Source/Engine/ContentImporters/CreateMaterial.cpp
index 96cfe6ce2..c0f89a5c8 100644
--- a/Source/Engine/ContentImporters/CreateMaterial.cpp
+++ b/Source/Engine/ContentImporters/CreateMaterial.cpp
@@ -191,7 +191,7 @@ CreateAssetResult CreateMaterial::Create(CreateAssetContext& context)
 
         MemoryWriteStream stream(512);
         layer->Graph.Save(&stream, true);
-        context.Data.Header.Chunks[SHADER_FILE_CHUNK_VISJECT_SURFACE]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        context.Data.Header.Chunks[SHADER_FILE_CHUNK_VISJECT_SURFACE]->Data.Copy(ToSpan(stream));
         Delete(layer);
     }
     else
diff --git a/Source/Engine/ContentImporters/CreateMaterialFunction.h b/Source/Engine/ContentImporters/CreateMaterialFunction.h
index 2bd34aeda..b9f531b54 100644
--- a/Source/Engine/ContentImporters/CreateMaterialFunction.h
+++ b/Source/Engine/ContentImporters/CreateMaterialFunction.h
@@ -45,7 +45,7 @@ public:
             return CreateAssetResult::Error;
         if (context.AllocateChunk(0))
             return CreateAssetResult::CannotAllocateChunk;
-        context.Data.Header.Chunks[0]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        context.Data.Header.Chunks[0]->Data.Copy(ToSpan(stream));
 
         return CreateAssetResult::Ok;
     }
diff --git a/Source/Engine/ContentImporters/CreateMaterialInstance.h b/Source/Engine/ContentImporters/CreateMaterialInstance.h
index f0ef2f197..8e612e8d2 100644
--- a/Source/Engine/ContentImporters/CreateMaterialInstance.h
+++ b/Source/Engine/ContentImporters/CreateMaterialInstance.h
@@ -32,7 +32,7 @@ public:
         MemoryWriteStream stream(256);
         stream.Write(Guid::Empty);
         MaterialParams::Save(&stream, nullptr);
-        context.Data.Header.Chunks[0]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        context.Data.Header.Chunks[0]->Data.Copy(ToSpan(stream));
 
         return CreateAssetResult::Ok;
     }
diff --git a/Source/Engine/ContentImporters/CreateParticleEmitter.h b/Source/Engine/ContentImporters/CreateParticleEmitter.h
index e935c8b30..1bc219cb4 100644
--- a/Source/Engine/ContentImporters/CreateParticleEmitter.h
+++ b/Source/Engine/ContentImporters/CreateParticleEmitter.h
@@ -37,7 +37,7 @@ public:
         graph.CreateDefault();
         MemoryWriteStream stream(512);
         graph.Save(&stream, false);
-        context.Data.Header.Chunks[SHADER_FILE_CHUNK_VISJECT_SURFACE]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        context.Data.Header.Chunks[SHADER_FILE_CHUNK_VISJECT_SURFACE]->Data.Copy(ToSpan(stream));
 
         return CreateAssetResult::Ok;
     }
diff --git a/Source/Engine/ContentImporters/CreateParticleEmitterFunction.h b/Source/Engine/ContentImporters/CreateParticleEmitterFunction.h
index 4b5de35dc..9d3bc6a14 100644
--- a/Source/Engine/ContentImporters/CreateParticleEmitterFunction.h
+++ b/Source/Engine/ContentImporters/CreateParticleEmitterFunction.h
@@ -44,7 +44,7 @@ public:
             return CreateAssetResult::Error;
         if (context.AllocateChunk(0))
             return CreateAssetResult::CannotAllocateChunk;
-        context.Data.Header.Chunks[0]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        context.Data.Header.Chunks[0]->Data.Copy(ToSpan(stream));
 
         return CreateAssetResult::Ok;
     }
diff --git a/Source/Engine/ContentImporters/CreateParticleSystem.h b/Source/Engine/ContentImporters/CreateParticleSystem.h
index da55d42ed..ed3a9b9c9 100644
--- a/Source/Engine/ContentImporters/CreateParticleSystem.h
+++ b/Source/Engine/ContentImporters/CreateParticleSystem.h
@@ -35,7 +35,7 @@ public:
             stream.WriteInt32(0); // Emitters Count
             stream.WriteInt32(0); // Tracks Count
         }
-        context.Data.Header.Chunks[0]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        context.Data.Header.Chunks[0]->Data.Copy(ToSpan(stream));
 
         return CreateAssetResult::Ok;
     }
diff --git a/Source/Engine/ContentImporters/CreateSceneAnimation.h b/Source/Engine/ContentImporters/CreateSceneAnimation.h
index 222924cad..fa6ae03cd 100644
--- a/Source/Engine/ContentImporters/CreateSceneAnimation.h
+++ b/Source/Engine/ContentImporters/CreateSceneAnimation.h
@@ -34,7 +34,7 @@ public:
             stream.WriteInt32(5 * 60); // DurationFrames
             stream.WriteInt32(0); // Tracks Count
         }
-        context.Data.Header.Chunks[0]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        context.Data.Header.Chunks[0]->Data.Copy(ToSpan(stream));
 
         return CreateAssetResult::Ok;
     }
diff --git a/Source/Engine/ContentImporters/CreateVisualScript.h b/Source/Engine/ContentImporters/CreateVisualScript.h
index 5d5378f3d..729fb06d2 100644
--- a/Source/Engine/ContentImporters/CreateVisualScript.h
+++ b/Source/Engine/ContentImporters/CreateVisualScript.h
@@ -33,7 +33,7 @@ public:
             const VisualScriptGraph graph;
             MemoryWriteStream stream(64);
             graph.Save(&stream, true);
-            context.Data.Header.Chunks[0]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+            context.Data.Header.Chunks[0]->Data.Copy(ToSpan(stream));
         }
 
         // Chunk 1 - Visual Script Metadata
@@ -44,7 +44,7 @@ public:
             stream.Write(1);
             stream.Write(*baseTypename, 31);
             stream.Write((int32)VisualScript::Flags::None);
-            context.Data.Header.Chunks[1]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+            context.Data.Header.Chunks[1]->Data.Copy(ToSpan(stream));
         }
 
         return CreateAssetResult::Ok;
diff --git a/Source/Engine/ContentImporters/ImportModel.cpp b/Source/Engine/ContentImporters/ImportModel.cpp
index 3d93842c7..888cc303e 100644
--- a/Source/Engine/ContentImporters/ImportModel.cpp
+++ b/Source/Engine/ContentImporters/ImportModel.cpp
@@ -554,7 +554,7 @@ CreateAssetResult ImportModel::CreateModel(CreateAssetContext& context, const Mo
         return CreateAssetResult::Error;
     if (context.AllocateChunk(0))
         return CreateAssetResult::CannotAllocateChunk;
-    context.Data.Header.Chunks[0]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+    context.Data.Header.Chunks[0]->Data.Copy(ToSpan(stream));
 
     // Pack model LODs data
     const auto lodCount = modelData.LODs.Count();
@@ -566,7 +566,7 @@ CreateAssetResult ImportModel::CreateModel(CreateAssetContext& context, const Mo
         const int32 chunkIndex = MODEL_LOD_TO_CHUNK_INDEX(lodIndex);
         if (context.AllocateChunk(chunkIndex))
             return CreateAssetResult::CannotAllocateChunk;
-        context.Data.Header.Chunks[chunkIndex]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        context.Data.Header.Chunks[chunkIndex]->Data.Copy(ToSpan(stream));
     }
 
     // Generate SDF
@@ -577,7 +577,7 @@ CreateAssetResult ImportModel::CreateModel(CreateAssetContext& context, const Mo
         {
             if (context.AllocateChunk(15))
                 return CreateAssetResult::CannotAllocateChunk;
-            context.Data.Header.Chunks[15]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+            context.Data.Header.Chunks[15]->Data.Copy(ToSpan(stream));
         }
     }
 
@@ -596,7 +596,7 @@ CreateAssetResult ImportModel::CreateSkinnedModel(CreateAssetContext& context, c
         return CreateAssetResult::Error;
     if (context.AllocateChunk(0))
         return CreateAssetResult::CannotAllocateChunk;
-    context.Data.Header.Chunks[0]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+    context.Data.Header.Chunks[0]->Data.Copy(ToSpan(stream));
 
     // Pack model LODs data
     const auto lodCount = modelData.LODs.Count();
@@ -608,7 +608,7 @@ CreateAssetResult ImportModel::CreateSkinnedModel(CreateAssetContext& context, c
         const int32 chunkIndex = MODEL_LOD_TO_CHUNK_INDEX(lodIndex);
         if (context.AllocateChunk(chunkIndex))
             return CreateAssetResult::CannotAllocateChunk;
-        context.Data.Header.Chunks[chunkIndex]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        context.Data.Header.Chunks[chunkIndex]->Data.Copy(ToSpan(stream));
     }
 
     return CreateAssetResult::Ok;
@@ -637,7 +637,7 @@ CreateAssetResult ImportModel::CreateAnimation(CreateAssetContext& context, cons
         return CreateAssetResult::Error;
     if (context.AllocateChunk(0))
         return CreateAssetResult::CannotAllocateChunk;
-    context.Data.Header.Chunks[0]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+    context.Data.Header.Chunks[0]->Data.Copy(ToSpan(stream));
 
     return CreateAssetResult::Ok;
 }
diff --git a/Source/Engine/ContentImporters/ImportTexture.cpp b/Source/Engine/ContentImporters/ImportTexture.cpp
index 03a221b76..eca5e546f 100644
--- a/Source/Engine/ContentImporters/ImportTexture.cpp
+++ b/Source/Engine/ContentImporters/ImportTexture.cpp
@@ -178,7 +178,7 @@ CreateAssetResult ImportTexture::Create(CreateAssetContext& context, const Textu
         }
         if (context.AllocateChunk(15))
             return CreateAssetResult::CannotAllocateChunk;
-        context.Data.Header.Chunks[15]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        context.Data.Header.Chunks[15]->Data.Copy(ToSpan(stream));
     }
 
     // Save mip maps
@@ -317,7 +317,7 @@ CreateAssetResult ImportTexture::Create(CreateAssetContext& context, const Textu
         }
         if (context.AllocateChunk(15))
             return CreateAssetResult::CannotAllocateChunk;
-        context.Data.Header.Chunks[15]->Data.Copy(stream.GetHandle(), stream.GetPosition());
+        context.Data.Header.Chunks[15]->Data.Copy(ToSpan(stream));
     }
 
     // Save mip maps
diff --git a/Source/Engine/Engine/GameplayGlobals.cpp b/Source/Engine/Engine/GameplayGlobals.cpp
index d5f6fae65..d6b9548d7 100644
--- a/Source/Engine/Engine/GameplayGlobals.cpp
+++ b/Source/Engine/Engine/GameplayGlobals.cpp
@@ -187,7 +187,7 @@ bool GameplayGlobals::Save(const StringView& path)
     {
         chunk = GetOrCreateChunk(0);
     }
-    chunk->Data.Copy(stream.GetHandle(), stream.GetPosition());
+    chunk->Data.Copy(ToSpan(stream));
 
     // Save
     AssetInitData data;
diff --git a/Source/Engine/Graphics/Shaders/Cache/ShaderAssetBase.cpp b/Source/Engine/Graphics/Shaders/Cache/ShaderAssetBase.cpp
index 2869eacd9..8fd1131d1 100644
--- a/Source/Engine/Graphics/Shaders/Cache/ShaderAssetBase.cpp
+++ b/Source/Engine/Graphics/Shaders/Cache/ShaderAssetBase.cpp
@@ -292,7 +292,7 @@ bool ShaderAssetBase::LoadShaderCache(ShaderCacheResult& result)
             auto cacheChunk = parent->GetOrCreateChunk(cacheChunkIndex);
             if (cacheChunk == nullptr)
                 return true;
-            cacheChunk->Data.Copy(cacheStream.GetHandle(), cacheStream.GetPosition());
+            cacheChunk->Data.Copy(ToSpan(cacheStream));
 
 #if USE_EDITOR
             // Save chunks to the asset file
@@ -317,7 +317,7 @@ bool ShaderAssetBase::LoadShaderCache(ShaderCacheResult& result)
         else
         {
             // Use temporary generated data without caching (but read the includes from cache)
-            result.Data.Copy(cacheStream.GetHandle(), cacheStream.GetLength());
+            result.Data.Copy(ToSpan(cacheStream));
             IsValidShaderCache(result.Data, result.Includes);
             return false;
         }
diff --git a/Source/Engine/Navigation/NavMesh.cpp b/Source/Engine/Navigation/NavMesh.cpp
index 5b5220898..7eb2b468a 100644
--- a/Source/Engine/Navigation/NavMesh.cpp
+++ b/Source/Engine/Navigation/NavMesh.cpp
@@ -56,7 +56,7 @@ void NavMesh::SaveNavMesh()
     MemoryWriteStream stream(streamInitialCapacity);
     Data.Save(stream);
     BytesContainer bytesContainer;
-    bytesContainer.Link(stream.GetHandle(), stream.GetPosition());
+    bytesContainer.Link(ToSpan(stream));
 
     // Save asset to file
     if (AssetsImportingManager::Create(AssetsImportingManager::CreateRawDataTag, assetPath, assetId, (void*)&bytesContainer))
diff --git a/Source/Engine/Particles/ParticleEmitter.cpp b/Source/Engine/Particles/ParticleEmitter.cpp
index 570b026c6..8e9533474 100644
--- a/Source/Engine/Particles/ParticleEmitter.cpp
+++ b/Source/Engine/Particles/ParticleEmitter.cpp
@@ -369,7 +369,7 @@ BytesContainer ParticleEmitter::LoadSurface(bool createDefaultIfMissing)
         graph.Save(&stream, false);
 
         // Set output data
-        result.Copy(stream.GetHandle(), stream.GetPosition());
+        result.Copy(ToSpan(stream));
     }
 
     return result;
diff --git a/Source/Engine/Serialization/MemoryReadStream.cpp b/Source/Engine/Serialization/MemoryReadStream.cpp
index 17458a52c..167808a69 100644
--- a/Source/Engine/Serialization/MemoryReadStream.cpp
+++ b/Source/Engine/Serialization/MemoryReadStream.cpp
@@ -1,6 +1,7 @@
 // Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
 
 #include "MemoryReadStream.h"
+#include "Engine/Platform/Platform.h"
 
 MemoryReadStream::MemoryReadStream()
     : _buffer(nullptr)
@@ -22,6 +23,14 @@ void MemoryReadStream::Init(const byte* bytes, uint32 length)
     _length = length;
 }
 
+void* MemoryReadStream::Move(uint32 bytes)
+{
+    ASSERT(GetLength() - GetPosition() >= bytes);
+    const auto result = (void*)_position;
+    _position += bytes;
+    return result;
+}
+
 void MemoryReadStream::Flush()
 {
 }
diff --git a/Source/Engine/Serialization/MemoryReadStream.h b/Source/Engine/Serialization/MemoryReadStream.h
index 3db90f1a6..8e7f1315c 100644
--- a/Source/Engine/Serialization/MemoryReadStream.h
+++ b/Source/Engine/Serialization/MemoryReadStream.h
@@ -3,7 +3,6 @@
 #pragma once
 
 #include "ReadStream.h"
-#include "Engine/Platform/Platform.h"
 
 /// <summary>
 /// Direct memory reading stream  that uses a single allocation buffer.
@@ -47,7 +46,7 @@ public:
     /// <param name="data">Span with data to read from.</param>
     template<typename T>
     MemoryReadStream(const Span<T>& data)
-        : MemoryReadStream(data.Get(), data.Count() * sizeof(T))
+        : MemoryReadStream(data.Get(), data.Length() * sizeof(T))
     {
     }
 
@@ -83,13 +82,7 @@ public:
     /// </summary>
     /// <param name="bytes">The amount of bytes to read.</param>
     /// <returns>The pointer to the data in memory.</returns>
-    void* Move(uint32 bytes)
-    {
-        ASSERT(GetLength() - GetPosition() >= bytes);
-        const auto result = (void*)_position;
-        _position += bytes;
-        return result;
-    }
+    void* Move(uint32 bytes);
 
     /// <summary>
     /// Skips the data from the target buffer without reading from it. Moves the read pointer in the buffer forward.
diff --git a/Source/Engine/Serialization/MemoryWriteStream.h b/Source/Engine/Serialization/MemoryWriteStream.h
index 6b181d3b0..4144783ad 100644
--- a/Source/Engine/Serialization/MemoryWriteStream.h
+++ b/Source/Engine/Serialization/MemoryWriteStream.h
@@ -3,6 +3,7 @@
 #pragma once
 
 #include "WriteStream.h"
+#include "Engine/Core/Types/Span.h"
 
 /// <summary>
 /// Direct memory writing stream  that uses a single allocation buffer.
@@ -115,3 +116,8 @@ public:
     void SetPosition(uint32 seek) override;
     void WriteBytes(const void* data, uint32 bytes) override;
 };
+
+inline Span<byte> ToSpan(MemoryWriteStream& stream)
+{
+    return Span<byte>(stream.GetHandle(), (int32)stream.GetPosition());
+}