Small VBA and JavaScript code used to validates 10 and 13 digit ISBN, and converts between ISBN-10 and ISBN-13 (only ISBN-13 beginning with 978 can be converted to ISBN-10).
The release zip archive contains both JavaScript and VBA, function for converting and validating ISBN-10 and ISBN-13. Although the functions have been tested, this is the first release and there may still be bugs. Please do your own testing before using the functions in critical applications.
Download Conversion Tool
