EU e-invoice tool · 140+ official rules
Validate, Convert and Fixany EU e-invoice
Open any XRechnung, Factur-X, Peppol, UBL or CII file. Check it against 140+ official rules, convert between formats, and auto-fix errors — nothing leaves your device.
— or try a sample —
What you can do
Everything you need for EU e-invoicing
Any EU format
UBL, CII, XRechnung, Factur-X, ZUGFeRD
Private by design
Nothing leaves your browser
Validate & Fix invoices
EN 16931 rule checks · Free & Pro
Batch & export
Up to 200 files · Team
See it in action
Built to inspect the things that get invoices rejected
Missing specification identifier (BT-24)
cbc:ID
Specification identifier must be provided
cbc:CustomizationID
Tax amount may not match sum of categories
cac:TaxTotal
Validation that cites the rule
Every issue shows its EN 16931 / XRechnung / Peppol rule code, the exact field, and how to fix it.
Validate an invoice →Hundreds of invoices at once
Drop a folder, get a per-file report, and export to CSV or Excel for your ERP.
Try batch processing →Validate your first invoice now
Free, instant, and private — no account, nothing uploaded.