Helper tools

Fast micro-apps for finance and compliance tasks

Quick browser-based utilities for supplier checks, invoice review, and daily operational work — without a backend setup.

Featured

EU VAT Batch Validator

Check multiple EU VAT numbers instantly for supplier review, accounting workflows, and compliance checks.

New

Open, inspect and validate German e-invoices in XML format with a readable preview and quick structural checks.

Finance

Validate bank accounts in bulk, verify checksum integrity and get a BIC suggestion for payroll, supplier and SEPA workflows.