JCB Validator & Generator
Japan's premier payment network utility. Generate valid 16-digit JCB sequences or validate existing ones with our professional testing tool.
Card Validator
Understanding JCB Cards
JCB (Japan Credit Bureau) is a major global payment brand and a leading credit card issuer and acquirer in Japan. JCB cards are accepted in over 190 countries and territories.
Numbering Scheme
Modern JCB card numbers consist of 16 digits and always begin with prefixes in the range of 3528 to 3589.
Validation
Like most international card networks, JCB utilizes the Luhn Algorithm (Mod 10) to verify the mathematical validity of its card numbers.
Generator
Important Notice
This tool is provided for software testing and educational use only. The generated numbers are not real credit cards and cannot be used for any financial transactions.