Duopore Invoice Draft

Create a PDF invoice draft and a matching Excel calculation from your own business details, prices and tax rates. One draft, one EUR, USD or GBP currency, up to 25 lines. User supplies invoice number, dates, tax treatment and rates. No sending, payment collection, bookkeeping, e-invoice standard or tax certification. The public connection processes explicit approved inputs transiently without account storage. PDF and Excel exports are generated on your device in the embedded component; host-mediated download support is required. The linked website offers its separate local-file workflow.