Validates International Bank Account Numbers (IBANs) per the ISO 13616 standard. Checks the format for the originating country, verifies the two-digit checksum using mod-97 arithmetic, identifies the country code, and extracts the BBAN (Basic Bank Account Number) components. Covers all 86+ countries that use IBANs.
Enter an IBAN to validate its checksum and see the country, bank code, and account breakdown.
Generate HMAC signatures using SHA-256, SHA-512, and other algorithms.
Check password strength against security criteria and estimate crack time.
Validate credit card numbers using the Luhn algorithm.
Validate ISBN-10 and ISBN-13 numbers and convert between them.
Encode text to hexadecimal or decode hex back to text.
Encrypt and decrypt text using the Caesar (ROT-N) substitution cipher.