The book industry is changing from 10 to 13 digit ISBNs in January 2007. Use this ISBN / EAN conversion tool, to convert between these two formats.

ISBN-10 / ISBN-13 Conversion Tool

Enter an ISBN-10 or ISBN-13* to convert

* Please note that only ISBN-13 beginning with ‘978’ can be converted to ISBN-10. ISBNs issued from January 2007, with different preceding digits, will not be convertible as the resulting ISBN-10 would not be a unique identifier.


Or use a 3rd Party validation site

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