eInvoiceTool
Free online viewer and validator for KSeF, XRechnung, ZUGFeRD and Peppol e-invoices. Files stay in your browser and are never uploaded.
Free online viewer and validator for KSeF, XRechnung, ZUGFeRD and Peppol e-invoices. Files stay in your browser and are never uploaded.
This page is designed to help you find out whether eInvoiceTool is good and if it is the right choice for you.
eInvoiceTool is a free online viewer and validator for structured e-invoices. Open an XML or PDF e-invoice and read it like a normal invoice, or check it against the official rules.
Supported formats - KSeF FA(3) (Poland) - XRechnung, UBL and CII (Germany) - ZUGFeRD / Factur-X PDFs with embedded XML - Peppol BIS Billing 3.0 (UBL)
Viewer - Shows seller, buyer, line items, VAT and totals in a clean invoice layout - Extracts the XML from ZUGFeRD / Factur-X PDFs - Print or save as PDF
Validator - Checks EN 16931, XRechnung, Peppol BIS and KSeF rules - Lists each error with its rule ID and a plain explanation
Private by design Files are processed in your browser and never uploaded to a server. No signup, no limits.
Available in English, German and Polish.
Listed in
It covers the main European e-invoice formats in one free tool: Polish KSeF, German XRechnung, ZUGFeRD / Factur-X and Peppol UBL. You can both read an invoice as a normal document and validate it against the official rules. Everything runs in the browser, so invoice files never leave your computer.
Small businesses, freelancers, accountants and bookkeepers in Germany, Poland and other EU countries who receive e-invoices as XML or PDF files and need to read or check them. It is also useful for developers testing invoice exports against XRechnung, Peppol or KSeF rules.
Most viewers or validators handle a single format, require an account, or upload your invoice to their server. eInvoiceTool is free with no signup and no limits, works with KSeF, XRechnung, ZUGFeRD and Peppol, and keeps files private because nothing is uploaded. Error messages show the official rule ID with a plain explanation, and the interface is available in English, German and Polish.
WordPress for the website, with a custom plugin written in plain JavaScript. Invoices are parsed and validated fully client-side in the browser; the validation rules are based on the official EN 16931, XRechnung, Peppol BIS and KSeF specifications.
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