Singapore NRIC and FIN Validator
Check the format and checksum of a Singapore NRIC or FIN number.
Validators
Check identifier syntax and checksums locally without querying private records.
Singapore Phone Number Validator
Check common Singapore local and +65 telephone number syntax.
Singapore Postal Code Validator
Check whether a value has Singapore’s six-digit postal-code format.
Malaysia NRIC Format Validator
Check Malaysian MyKad number structure and encoded birth date.
Malaysia Passport Number Validator
Check the common letter-and-eight-digit Malaysian passport number format.
California Driver License Number Validator
Check the standard California driver licence number format.
California License Plate Format Checker
Check common California passenger and personalized plate text formats.
VIN Validator
Validate a 17-character vehicle identification number and its North American check digit.
IBAN Validator
Check International Bank Account Number structure and MOD-97 checksum.
ISBN Validator
Validate ISBN-10 or ISBN-13 book-number checksums.
ABA Routing Number Validator
Check a nine-digit US routing transit number checksum.
Credit Card Number Validator
Check payment-card number structure with the Luhn checksum.
IMEI Validator
Check a 15-digit mobile-device IMEI with the Luhn checksum.
ISIN Validator
Validate the format and checksum of an International Securities Identification Number.
LEI Validator
Check Legal Entity Identifier syntax and MOD-97 checksum.
SWIFT BIC Validator
Check SWIFT or BIC code structure for eight or eleven characters.
US NPI Validator
Validate a ten-digit US National Provider Identifier checksum.
UPC-A Barcode Validator
Check a 12-digit UPC-A barcode checksum.
EAN-13 Barcode Validator
Check a 13-digit EAN barcode checksum.
CAS Registry Number Validator
Check CAS Registry Number formatting and checksum.
NHS Number Validator
Check a ten-digit NHS number with its modulus-11 checksum.
Canada SIN Validator
Check a nine-digit Canadian Social Insurance Number using Luhn.
Australia TFN Validator
Check an eight- or nine-digit Australian Tax File Number checksum.
New Zealand IRD Number Validator
Check an eight- or nine-digit New Zealand IRD number checksum.
South Africa ID Number Validator
Check a 13-digit South African identity number date and checksum.
Hong Kong Identity Card Validator
Check an HKID number checksum with one- or two-letter prefix.
Taiwan National ID Validator
Check a Taiwan national identification number checksum.
China Resident ID Validator
Check an 18-character mainland China resident identity number date and checksum.
India PAN Validator
Check the five-letter, four-digit, one-letter PAN format.
India GSTIN Validator
Check GSTIN structure and its base-36 checksum.
Singapore UEN Format Validator
Check common Singapore Unique Entity Number structures.
Email Address Format Validator
Check practical email-address syntax without sending a message.
IPv4 Address Validator
Check dotted-decimal IPv4 syntax and numeric ranges.
MAC Address Validator
Check common 48-bit MAC address notation.
Domain Name Format Validator
Check hostname label syntax and overall length.
UUID Validator
Check UUID syntax and report its encoded version and variant.