Comprehensive financial validation tools running 100% offline in your browser.
IBAN, BBAN, BIC/SWIFT, Payment Card validation with checksum verification.
IBAN · BBAN · BIC/SWIFT · Payment Card
Validate and generate structured payment references for SEPA and national formats.
OGM-VCS (BE) · ISO 11649 · KID (NO) · FIK (DK)
VAT, LEI, and national business ID validation across 40+ countries.
VAT (EU) · LEI · KBO/BCE (BE) · SIRET (FR)
Validate national identity numbers with country-specific algorithms.
NISS (BE) · NIR (FR) · BSN (NL) · SSN (US)
Validate ISIN, CUSIP, and SEDOL security identifiers with checksum verification.
ISIN · CUSIP · SEDOL
Validate ABA routing numbers (US), Sort Codes (UK), and BSB (Australia).
ABA (US) · Sort Code (UK) · BSB (AU)
110+ countries supported with IBAN-BIC matching capabilities.
110+ Countries · IBAN-BIC Match
NuGet package for .NET 8+ with zero dependencies. MIT licensed.
Full Europe
Payment Formats
Offline
Dependencies