diff --git a/Modules/public/SizeCounter.hpp b/Modules/public/SizeCounter.hpp
index a44895d..e861738 100644
--- a/Modules/public/SizeCounter.hpp
+++ b/Modules/public/SizeCounter.hpp
@@ -1,9 +1,32 @@
 #pragma once
 
-#include "Common.hpp"
+#include "Archiver.hpp"
 
 namespace tp {
 
+	class SaveSizeCounter : public ArchiverTemplate<false> {
+	public:
+		SaveSizeCounter() = default;
+
+		template < typename tType>
+		static ualni calc(const tType& val) {
+			SaveSizeCounter cnt;
+			cnt << val;
+			return cnt.mSize;
+		}
+
+	protected:
+		void writeBytes(const int1* val, ualni size) override { mSize += size; }
+		void readBytes(int1* val, ualni size) override {}
+
+		[[nodiscard]] ualni getSize() const { return mSize; }
+
+	private:
+		ualni mSize = 0;
+	};
+
+
+
 	// TODO
 	template <bool tRecursive>
 	class SizeCounter {
diff --git a/Objects/private/core/objectsave.cpp b/Objects/private/core/objectsave.cpp
index dc67e1e..5da599f 100644
--- a/Objects/private/core/objectsave.cpp
+++ b/Objects/private/core/objectsave.cpp
@@ -221,7 +221,7 @@ namespace obj {
 		ndf << tp::String(in->type->name);
 
 		// allocate for object file header
-		ndf.setFreeAddress(ndf.getFreeAddress() + sizeof(ObjectFileHead) + tp::String::Logic::calcLength(in->type->name) + sizeof(tp::String::Logic::Index));
+		ndf.setFreeAddress(ndf.getFreeAddress() + sizeof(ObjectFileHead) + tp::SaveSizeCounter::calc(tp::String(in->type->name)));
 
 		// calc max size needed for saving all hierarchy of types
 		tp::alni file_alloc_size = objsize_file_util(in, in->type);
diff --git a/Objects/private/core/scriptsection.cpp b/Objects/private/core/scriptsection.cpp
index 030e95d..7cf9879 100644
--- a/Objects/private/core/scriptsection.cpp
+++ b/Objects/private/core/scriptsection.cpp
@@ -91,8 +91,7 @@ tp::alni ScriptSection::save_script_table_to_file_size(ScriptSection* self, Arch
 		}
 
 		// instructions
-		ASSERT(false)
-		// size += iter->mBytecode.mInstructions.saveSize();
+		size += tp::SaveSizeCounter::calc(iter->mBytecode.mInstructions);
 	}
 
 	size += sizeof(tp::alni); // objects mem offset
@@ -125,7 +124,6 @@ void ScriptSection::save_script_table_to_file(ScriptSection* self, ArchiverOut&
 		}
 
 		// mInstructions
-		ASSERT(false)
 		file << iter->mBytecode.mInstructions;
 	}
 
@@ -163,8 +161,7 @@ void load_constants(ScriptSection* self, ArchiverIn& file, tp::alni start_addr)
 		}
 
 		// instructions
-		ASSERT(false)
-		//file.setAddress(file.getAddress() + script->mBytecode.mInstructions.saveSize());
+		file.setAddress(file.getAddress() + tp::SaveSizeCounter::calc(script->mBytecode.mInstructions));
 	}
 
 	file.setAddress(addres);
diff --git a/Objects/private/primitives/dictobject.cpp b/Objects/private/primitives/dictobject.cpp
index f83aea0..3848888 100644
--- a/Objects/private/primitives/dictobject.cpp
+++ b/Objects/private/primitives/dictobject.cpp
@@ -44,9 +44,7 @@ alni DictObject::save_size(DictObject* self) {
 
 	for (auto item : self->items) {
 		// string length
-		auto size = item->key.size();
-		save_size += size * sizeof(*item->key.read());
-		save_size += sizeof(decltype(size));
+		save_size += tp::SaveSizeCounter::calc(item->key);
 
 		// object file adress
 		save_size += sizeof(alni);
diff --git a/Objects/private/primitives/stringobject.cpp b/Objects/private/primitives/stringobject.cpp
index 58f9947..3c44b49 100644
--- a/Objects/private/primitives/stringobject.cpp
+++ b/Objects/private/primitives/stringobject.cpp
@@ -50,11 +50,7 @@ alnf StringObject::to_float(StringObject* self) {
 }
 
 static alni save_size(StringObject* self) {
-	alni save_size = 0;
-	auto size = self->val.size();
-	save_size += (size) * sizeof(*self->val.read());
-	save_size += sizeof(decltype(size));
-	return save_size;
+	return tp::SaveSizeCounter::calc(self->val);
 }
 
 static void save(StringObject* self, ArchiverOut& file_self) {
diff --git a/Objects/public/core/object.h b/Objects/public/core/object.h
index 29ae4fa..345a9e9 100644
--- a/Objects/public/core/object.h
+++ b/Objects/public/core/object.h
@@ -12,6 +12,7 @@
 #include "core/typemethods.h"
 
 #include "Archiver.hpp"
+#include "SizeCounter.hpp"
 
 //#include "interpreter/interpreter.h"