How to generate ISBN numbers?

To help you to obtain some ISBN numbers for testing purpose, FYIcenter.com has designed this online tool. All you need to do is to enter the number of data items you need in the form below, and click the "Generate" button. The generated ISBN numbers will be presented in the result area.

Result generated by FYIcenter.com - Test ISBN numbers: Warning, these ISBN numbers are for testing purpose only. Do not use them in any production systems.

979-977-782-014-0
978-814-05-4197-3
978-482-30-9117-9
978-7803-449-96-0
978-4121-45-313-6
979-91172-4-721-7
978-6-822911-93-9
979-96-45-64912-5
978-4-1672-5337-0
978-51144-1-666-4
978-2-9272-1583-5
978-33-7246-364-2

What are ISBN numbers?

An ISBN number is a numeric string used to identify a specific published book. ISBN numbers are assigned by the ISBN (International Standard Book Number) Agency.

ISBN numbers are 13 digits long and have 5 parts:

• Prefix - 3 digits representing the GS1 standard. For 10-digit ISBN numbers generated before 2007, the GS1 prefix is not specified.
• Registration (Group) - 1 to 5 digits representing a language, a country or a territory.
• Registrant (Publisher) 1 to 7 digits representing a publisher.
• Publication - 1 to 7 digits representing a specific book.
• Checksum - 1 digit calculated using a checksum algorithm.

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