IBAN Validator

Validate and generate IBANs in bulk with detailed parsing and CSV export. Supports 79+ countries.

IBAN Validator & Generator A fast, private, and accurate tool for validating and generating IBANs: one at a time or in bulk. Validation Paste one or more IBANs (one per line) and get instant results in a structured table showing status, country, bank code, branch code, and account number for each. Invalid IBANs show the exact reason they failed. Export results as CSV for further processing. Generation Select a country, choose how many IBANs to generate, and get a list of mathematically valid sample IBANs — useful for testing payment systems or integrations. Export as CSV or click any row to copy. How it works Full mod-97 checksum validation per ISO 13616, with country-specific length checks for 79+ countries. All processing happens locally in your browser — nothing is sent anywhere. Features - Bulk validation and generation with CSV export - Detailed parsing: country, bank code, branch code, account number - Supports 79+ countries including all EU nations, UK, Switzerland, UAE, Saudi Arabia, Brazil, and more - Auto-formats IBANs with spaces as you type - No internet required - No data collection, no permissions, no registration Compatible with Chrome, Edge, and other Chromium-based browsers.