Hello All . this Components for invoice_ template , now the client can view the invoice in html format and then decide to download pdf format .   screenshot   EDIT : 3.0.0 + Added Support  for 4.4.0 2.1.8 + rewrite HTML engine output . 2.1.7 + fixed invoice type numbering label in PDF + preparing the class for handling the PDF cached (EU invoicing system) + remove RTL alignement in PDF file to prevent malformed PDF file in RTL languages