E-invoice viewer
Open an XML invoice in UBL 2.1 or ISDOC and read it as an ordinary invoice: supplier, customer, lines, VAT, totals and payment.
The file is not uploaded anywhere
Your browser opens and reads the invoice right on your device. We do not send it to our server, we do not store it and we never see it.
What an XML e-invoice is
UBL 2.1 is the format e-invoices travel in over the Peppol network. From 1 January 2027 VAT payers in Slovakia will send their domestic invoices to other businesses in it. The file holds the same details as a paper invoice, only in a form software can read.
ISDOC is the Czech e-invoice format that many Slovak and Czech invoicing programs can produce. The viewer reads both version 5 and version 6.
Why you can open a confidential invoice here
The viewer runs entirely in your browser. The file goes nowhere: we do not send it to a server, store it or write it to any log. It is only read, so no script or link inside it ever runs.
What changes on 1 January 2027
VAT payers will send domestic invoices to other businesses as structured e-invoices through a certified provider, and even a sole trader who is not a VAT payer will have to be able to receive them. In vporiadku you can already upload a received UBL XML and read it on every plan; on the Profi plan you turn it into an expense.
Frequently asked questions
Is my invoice sent to your server?
No. Your browser opens and reads the file. Nothing of it reaches our server, we store nothing and we never see the invoice. The only thing the page may download is our own sample e-invoice, when you ask for it.
Which formats does the viewer open?
Invoices and credit notes in UBL 2.1 under Peppol BIS Billing 3.0 (standard EN 16931), the format of Slovak e-invoices from 2027, and invoices in ISDOC 5 and 6. The file may end in .xml or .isdoc.
Does the viewer check that the e-invoice is valid?
Not fully. It shows the content and warns when the sums do not add up, but it does not check every EN 16931 and Peppol rule. The provider that delivers the e-invoice does that.
What if a PDF is embedded in the e-invoice?
You see the attachments listed under the invoice and can download them. They are saved to your device as files; the viewer never opens them on our page.
In vporiadku you issue an invoice in seconds and keep received e-invoices in one place.
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