Supported documents

One local viewer for many XML structures

Recognition tolerates different namespace prefixes. If a structure does not match a known document, you still get a universal data tree.

UPO e-Declarations Status, reference number, acceptance date, office, and form code. Learn more → UPP ePUAP Submission date, sender, recipient, inbox, and identifier. Learn more → KSeF FA(3) Invoice details, parties, line items, and amount summary. Learn more → JPK Form code, period, entity details, and detected entry count. Learn more → ZUS / KEDU Detected forms, contribution payer, period, and basic totals. Learn more → Other XML Expandable tree, search, and copyable paths and values. Learn more →

Important limitation

Official schemas change, and ZUS and JPK documents have many variants. This viewer does not replace official XSD validation or electronic signature verification.