diff --git a/code/nel/tools/3d/build_clod_bank/build_clod_bank.cpp b/code/nel/tools/3d/build_clod_bank/build_clod_bank.cpp
index 9938eb486..b5cd89f76 100644
--- a/code/nel/tools/3d/build_clod_bank/build_clod_bank.cpp
+++ b/code/nel/tools/3d/build_clod_bank/build_clod_bank.cpp
@@ -62,7 +62,7 @@ int	main(int argc, char *argv[])
 		float	bakeFrameRate= 20;
 		if(argc>=5)
 		{
-			bakeFrameRate= (float)atof(argv[4]);
+			NLMISC::fromString(argv[4], bakeFrameRate);
 			if(bakeFrameRate<=1)
 			{
 				nlwarning("bad bakeFrameRate value, use a default of 20");
diff --git a/code/nel/tools/3d/object_viewer/edit_ex.cpp b/code/nel/tools/3d/object_viewer/edit_ex.cpp
index c600334b0..71d5b8907 100644
--- a/code/nel/tools/3d/object_viewer/edit_ex.cpp
+++ b/code/nel/tools/3d/object_viewer/edit_ex.cpp
@@ -67,7 +67,9 @@ uint		CEditEx::getUInt() const
 float		CEditEx::getFloat() const
 {
 	nlassert(_Type == FloatType);
-	return (float) ::atof(getString().c_str());
+	float val;
+	NLMISC::fromString(getString(), val);
+	return val;
 }
 
 std::string CEditEx::getString() const
diff --git a/code/nel/tools/3d/object_viewer/main_frame.cpp b/code/nel/tools/3d/object_viewer/main_frame.cpp
index d063e202d..83ba4ef7b 100644
--- a/code/nel/tools/3d/object_viewer/main_frame.cpp
+++ b/code/nel/tools/3d/object_viewer/main_frame.cpp
@@ -1392,9 +1392,9 @@ void CMainFrame::OnViewSetSceneRotation()
 	if (sceneRotDlg.DoModal() == IDOK)
 	{
 		// read value.
-		_LastSceneRotX= (float)atof(sceneRotDlg.RotX);
-		_LastSceneRotY= (float)atof(sceneRotDlg.RotY);
-		_LastSceneRotZ= (float)atof(sceneRotDlg.RotZ);
+		NLMISC::fromString(sceneRotDlg.RotX, _LastSceneRotX);
+		NLMISC::fromString(sceneRotDlg.RotY, _LastSceneRotY);
+		NLMISC::fromString(sceneRotDlg.RotZ, _LastSceneRotZ);
 		float	rotx= degToRad(_LastSceneRotX);
 		float	roty= degToRad(_LastSceneRotY);
 		float	rotz= degToRad(_LastSceneRotZ);
diff --git a/code/nel/tools/3d/object_viewer/vegetable_density_page.cpp b/code/nel/tools/3d/object_viewer/vegetable_density_page.cpp
index 72e53756b..2db682bcd 100644
--- a/code/nel/tools/3d/object_viewer/vegetable_density_page.cpp
+++ b/code/nel/tools/3d/object_viewer/vegetable_density_page.cpp
@@ -225,7 +225,8 @@ void		CVegetableDensityPage::updateAngleMinFromEditText()
 	// get angles edited.
 	char	stmp[256];
 	AngleMinEdit.GetWindowText(stmp, 256);
-	float	angleMin= (float)atof(stmp);
+	float	angleMin;
+	NLMISC::fromString(stmp, angleMin);
 	NLMISC::clamp(angleMin, -90, 90);
 	// make a sinus, because 90 => 1, and -90 =>-1
 	float	cosAngleMin= (float)sin(angleMin*NLMISC::Pi/180.f);
@@ -248,7 +249,8 @@ void		CVegetableDensityPage::updateAngleMaxFromEditText()
 	// get angles edited.
 	char	stmp[256];
 	AngleMaxEdit.GetWindowText(stmp, 256);
-	float	angleMax= (float)atof(stmp);
+	float	angleMax;
+	NLMISC::fromString(stmp, angleMax);
 	NLMISC::clamp(angleMax, -90, 90);
 	// make a sinus, because 90 => 1, and -90 =>-1
 	float	cosAngleMax= (float)sin(angleMax*NLMISC::Pi/180.f);
diff --git a/code/nel/tools/3d/plugin_max/nel_export/nel_export.cpp b/code/nel/tools/3d/plugin_max/nel_export/nel_export.cpp
index 68d3b8b2b..3a3e40810 100644
--- a/code/nel/tools/3d/plugin_max/nel_export/nel_export.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_export/nel_export.cpp
@@ -173,7 +173,7 @@ INT_PTR CALLBACK OptionsDialogCallback (
 					if( SendMessage( GetDlgItem(hwndDlg,IDC_RADIORADIOSITYEXPORTLIGHTING), BM_GETCHECK, 0, 0 ) == BST_CHECKED )
 						theExportSceneStruct.nExportLighting = 1;
 					SendMessage( GetDlgItem(hwndDlg,IDC_EDITLUMELSIZE), WM_GETTEXT, 1024, (long)tmp );
-					theExportSceneStruct.rLumelSize = (float)atof( tmp );
+					NLMISC::fromString(tmp, theExportSceneStruct.rLumelSize);
 
 					if( SendMessage( GetDlgItem(hwndDlg,IDC_RADIOSS1), BM_GETCHECK, 0, 0 ) == BST_CHECKED )
 						theExportSceneStruct.nOverSampling = 1;
@@ -192,9 +192,9 @@ INT_PTR CALLBACK OptionsDialogCallback (
 					// SurfaceLighting
 					theExportSceneStruct.bTestSurfaceLighting= (SendMessage( GetDlgItem(hwndDlg,IDC_TEST_SURFACE_LIGHT), BM_GETCHECK, 0, 0 ) == BST_CHECKED);
 					SendMessage( GetDlgItem(hwndDlg,IDC_EDITCELLSIZE), WM_GETTEXT, 1024, (long)tmp );
-					theExportSceneStruct.SurfaceLightingCellSize= (float)atof( tmp );
+					NLMISC::fromString(tmp, theExportSceneStruct.SurfaceLightingCellSize);
 					SendMessage( GetDlgItem(hwndDlg,IDC_EDITCELLDELTAZ), WM_GETTEXT, 1024, (long)tmp );
-					theExportSceneStruct.SurfaceLightingDeltaZ= (float)atof( tmp );
+					NLMISC::fromString(tmp, theExportSceneStruct.SurfaceLightingDeltaZ);
 
 					// End the dialog
 					EndDialog(hwndDlg, TRUE);
diff --git a/code/nel/tools/3d/plugin_max/nel_mesh_lib/calc_lm.cpp b/code/nel/tools/3d/plugin_max/nel_mesh_lib/calc_lm.cpp
index 155bbe5b5..508c482f6 100644
--- a/code/nel/tools/3d/plugin_max/nel_mesh_lib/calc_lm.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_mesh_lib/calc_lm.cpp
@@ -300,9 +300,9 @@ void SLightBuild::convertFromMaxLight (INode *node,TimeValue tvTime)
 
 	// Get Soft Shadow information
 	string sTmp = CExportNel::getScriptAppData (node, NEL3D_APPDATA_SOFTSHADOW_RADIUS, toString(NEL3D_APPDATA_SOFTSHADOW_RADIUS_DEFAULT));
-	this->rSoftShadowRadius = (float)atof(sTmp.c_str());
+	NLMISC::fromString(sTmp, this->rSoftShadowRadius);
 	sTmp = CExportNel::getScriptAppData (node, NEL3D_APPDATA_SOFTSHADOW_CONELENGTH, toString(NEL3D_APPDATA_SOFTSHADOW_CONELENGTH_DEFAULT));
-	this->rSoftShadowConeLength = (float)atof(sTmp.c_str());
+	NLMISC::fromString(sTmp, this->rSoftShadowConeLength);
 
 	if( deleteIt )
 		maxLight->DeleteThis();
@@ -2147,7 +2147,8 @@ bool CExportNel::calculateLM( CMesh::CMeshBuild *pZeMeshBuild, CMeshBase::CMeshB
 
 	// **** Retrieve Shape Node properties
 	string sLumelSizeMul = CExportNel::getScriptAppData (&ZeNode, NEL3D_APPDATA_LUMELSIZEMUL, "1.0");
-	float rLumelSizeMul = (float)atof(sLumelSizeMul.c_str());
+	float rLumelSizeMul;
+	NLMISC::fromString(sLumelSizeMul, rLumelSizeMul);
 	// 8Bits LightMap Compression
 	bool	lmcEnabled= CExportNel::getScriptAppData (&ZeNode, NEL3D_APPDATA_EXPORT_LMC_ENABLED, BST_UNCHECKED)==BST_CHECKED;
 	enum	{NumLightGroup= 3};