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Documentation overview
Understand formats and standards
Compliance Guides
XRechnung Standard
ZUGFeRD Format
PDF/A-3 for ZUGFeRD
CII Cross Industry Invoice
UBL Universal Business Language
DIN EN 16931-1 Standard
PEPPOL Network
Country and regulatory rules
EU E-Invoicing Mandate
EU E-Invoicing
EU e-invoicing in 2026: what to implement (and why)
EU top markets playbook (DE, FR, IT, ES, PL, NL)
PEPPOL in the EU: how exchange actually works
CTC/clearance and portals in the EU: how to build reliable integrations
Country Guides
Germany
France
Italy
Spain
Poland
Netherlands
Belgium
Austria
Denmark
Sweden
Finland
Fix validation and submission issues
Leitweg-ID Validation
Support playbooks
Support
Why invoices need review
API errors
API automation
Handling schema errors
Review validation help
Support
Missing information
Buyer reference
Payment and IBAN
VAT and reverse charge
Totals and rounding
Prepayments
Line items
ZUGFeRD PDF warnings
Validation playbooks
Observed validation fixes
Due date or terms
Bank transfer IBAN
PDF/A-3 readiness
VATEX exemption reason
Review vs download
Public test invoice fixture library
Valid XRechnung UBL basic invoice
Invalid XRechnung missing payment terms
Factur-X/ZUGFeRD EN 16931 CII XML
XRechnung rounding and IBAN edge case
KoSIT Validator Errors
ERROR
BR-DE-1
BR-DE-2
BR-DE-3
BR-DE-4
BR-DE-5
BR-DE-6
BR-DE-7
BR-DE-8
BR-DE-9
BR-DE-10
BR-DE-11
BR-DE-12
BR-DE-13
BR-DE-14
BR-DE-15
BR-DE-16
BR-DE-17
BR-DE-18
BR-DE-19
BR-DE-20
BR-DE-21
BR-CO-3
BR-CO-4
BR-CO-9
BR-CO-10
BR-CO-11
BR-CO-13
BR-CO-14
BR-CO-15
BR-CO-16
BR-CO-17
BR-CO-25
BR-CO-26
BR-S-1
BR-S-5
BR-S-8
BR-61
BR-AE-02
BR-AE-10
BR-E-01
BR-E-05
BR-05
BR-22
BR-23
BR-24
BR-25
BR-26
BR-47
BR-57
BR-DE-22
BR-DE-30
BR-DE-31
PEPPOL-EN16931-R001
PEPPOL-EN16931-R010
PEPPOL-EN16931-R020
PEPPOL-EN16931-R046
PEPPOL-EN16931-R120
PEPPOL-EN16931-R130
WARNING
BR-DE-26
BR-DE-27
BR-DE-28
Look up reference data
Glossary
E
EN 16931
E-reporting
e-Factura RO
EAS (Electronic Address Scheme)
ebInterface
C
CIUS
CII
Code list
Credit note
Contract reference
Chorus Pro
Codice Destinatario
X
XRechnung
XML Schema (XSD)
XML
Z
ZUGFeRD
F
Factur-X
Finvoice
U
UBL
Unit code
P
PEPPOL
PEPPOL BIS
Participant ID
PDF/A-3
Payment means
Purchase order (PO)
PDP (Plateforme de Dématérialisation Partenaire)
A
Access Point
Allowance / charge
S
SMP
SML
Schematron
SDI (Sistema di Interscambio)
Svefaktura
L
Leitweg-ID
K
KoSIT
KSeF
KvK number
V
Validation
VAT ID
ViDA
VeriFactu
ViDA Pillar 1: Digital Reporting Requirements
ViDA Pillar 2: Single VAT Registration
ViDA Pillar 3: Platform Economy
B
Business Term (BT)
Business Group (BG)
BIC
R
Reverse charge
Real-time reporting
Real-time invoice reporting (RTIR)
T
Tax category
TicketBAI
I
IBAN
Invoice type code
Invoice line item
ISO 6523
D
Document reference
D-U-N-S Number
Digipoort
Q
QR code payment
G
GLN (Global Location Number)
O
OVT-tunnus
OIOUBL
N
NemHandel
Code Lists
Currency codes (common)
Country codes (common)
VAT category codes
Payment means type codes
Unit of measure codes (common)
Invoice type codes (common in XRechnung)
XRechnung Fields
Invoice basics
BT-1
BT-2
BT-3
BT-5
BT-6
BT-7
BT-8
BT-10
BT-11
BT-12
BT-14
BT-15
BT-16
BT-17
BT-18
BT-19
BT-21
BT-22
BT-23
BT-24
BT-25
BT-26
Delivery and payment
BT-9
BT-13
BT-20
BT-59
BT-60
BT-61
BT-70
BT-71
BT-72
BT-73
BT-74
BT-75
BT-76
BT-77
BT-78
BT-79
BT-80
BT-81
BT-82
BT-83
BT-84
BT-85
BT-86
BT-87
BT-88
BT-89
BT-90
BT-91
Seller details
BT-27
BT-28
BT-29
BT-30
BT-31
BT-32
BT-33
BT-34
BT-35
BT-36
BT-37
BT-38
BT-39
BT-40
BT-41
BT-42
BT-43
BT-62
BT-63
BT-64
BT-65
BT-66
BT-67
BT-68
BT-69
Buyer details
BT-44
BT-45
BT-46
BT-47
BT-48
BT-49
BT-50
BT-51
BT-52
BT-53
BT-54
BT-55
BT-56
BT-57
BT-58
Discounts and charges
BT-92
BT-93
BT-94
BT-95
BT-96
BT-97
BT-98
BT-99
BT-100
BT-101
BT-102
BT-103
BT-104
BT-105
Taxes and totals
BT-106
BT-107
BT-108
BT-109
BT-110
BT-111
BT-112
BT-113
BT-114
BT-115
BT-116
BT-117
BT-118
BT-119
BT-120
BT-121
BT-122
BT-123
BT-124
BT-125
Line items
BT-126
BT-127
BT-128
BT-129
BT-130
BT-131
BT-132
BT-133
BT-134
BT-135
BT-136
BT-137
BT-138
BT-139
BT-140
BT-141
BT-142
BT-143
BT-144
BT-145
BT-146
BT-147
BT-148
BT-149
BT-150
BT-151
BT-152
BT-153
BT-154
BT-155
BT-156
BT-157
BT-158
BT-159
BT-160
BT-161
BT-162
BT-163
BT-164
BT-165
BT-185
BT-186
ZUGFeRD Profiles
MINIMUM
BASIC WL
BASIC
EN 16931
EXTENDED
Compare formats and tools
Comparisons
PDF24 Tools
sevDesk
Integrate and implement
Platform incident help
Support
Temporary unavailable
Missing result
Validation unavailable
Browser errors
Account and rate limits
Credits and subscriptions
Authoritative validation
ERP export validation guides
DATEV
Lexware
SAP Business One
Odoo
Microsoft Dynamics
Trust & Security
Developer API
  1. E-Invoicing Resources
  2. Trust & Security

Trust

Markdown export

Trust & Security Center

How we protect invoice data, keep processing compliant, and stay transparent.

Trust & Security CenterAt a glanceOperational assuranceData handlingSecurity controlsPrivacy & complianceData residencyRetention & deletionSub-processorsNamed providersIncident responsePolicies & agreementsNeed a DPA or security answers?

This Trust Center provides an overview of our security and privacy practices. For the legally binding terms and full details, please refer to our Data Processing Agreement (DPA) and Privacy Policy.

Authoritative documents:

At a glance#

EU-first hosting

Primary infrastructure is hosted in Frankfurt, Germany. Some sub-processors may process data in the EU/EEA and, where necessary, in third countries under Standard Contractual Clauses (SCCs).

Minimal retention

Invoice files are processed and removed immediately after conversion.

Encrypted by default

TLS in transit and encryption at rest for stored metadata.

Operational assurance#

Use these points as the practical checks for this section.

  • Certifications: SOC 2 and ISO 27001 are currently not certified yet.
  • Audits: We run internal control reviews and targeted external penetration checks.
  • Incident response: affected users are notified without undue delay.
  • Security contact: contact@invoice-converter.com

Data handling#

Use these points as the practical checks for this section.

  • PDF invoices are processed strictly for conversion and validation.
  • We minimize stored personal data and keep only what is required for accounts, billing, and support.
  • You can request deletion of account data via support.

Security controls#

Use these points as the practical checks for this section.

  • TLS encryption for all uploads and downloads.
  • Access controls and least-privilege for internal tools.
  • Continuous monitoring and logging for anomalies.

Privacy & compliance#

Use these points as the practical checks for this section.

  • GDPR-aligned processing with a Data Processing Agreement (DPA).
  • EN 16931 compliant output with validation checks.
  • Money-back guarantee if compliant output cannot be produced.

Data residency#

Primary infrastructure runs in Frankfurt (Germany). Where required for service delivery, sub-processors may process data in the EU/EEA and in third countries under SCCs.

Retention & deletion#

Invoice files are processed transiently. For critical failed review/download flows, short-lived diagnostic bundles may be retained for up to 14 days; we do not keep a permanent invoice-content archive. Account data follows legal and contractual retention requirements.

Sub-processors#

We use vetted providers for hosting, AI processing, payments, and analytics. For the authoritative list and processing locations, see the DPA (Annex 1) and the Privacy Policy.

Payments

Subscription billing and invoicing.

Authentication

User accounts and access management.

Infrastructure

Hosting, storage, and delivery.

Named providers#

Supabase

Authentication and PostgreSQL data storage

Koyeb

Backend application hosting (Frankfurt region)

Cloudflare

CDN, DDoS protection, and edge security

Stripe

Payments and billing operations

OpenAI / Mistral

Document extraction support under processor terms

Incident response#

We investigate security incidents quickly and notify affected customers as required by law.

Policies & agreements#

Read the full Data Processing Agreement (DPA)
Read the full Privacy Policy
Terms & Conditions
Contact security
Markdown export

Need a DPA or security answers?#

Reach out and we will provide documentation and tailored guidance for your compliance review.

Contact us
Microsoft DynamicsDeveloper API
On this page
Trust & Security CenterAt a glanceOperational assuranceData handlingSecurity controlsPrivacy & complianceData residencyRetention & deletionSub-processorsNamed providersIncident responsePolicies & agreementsNeed a DPA or security answers?

Invoice-Converter.com

Empowering businesses across Europe to effortlessly comply with XRechnung regulations. Join hundreds who've automated their invoice conversion process.

20,000+ invoices processed
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Trusted by hundreds

Features

Convert PDFs & create

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  • PDF to ZUGFeRD
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  • XRechnung to PDF

View & validate

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  • XRechnung Validator

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