Barcode tools · Publishing

ISBN barcode generator.

Validate an ISBN-10 or ISBN-13, convert it to the Bookland EAN-13 used on books, and add an optional five-digit price supplement. The tool draws a barcode; it does not assign an ISBN.

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Book identifier

Hyphens and spaces are accepted. ISBN-13 must begin with 978 or 979.
Enter a publisher-supplied five-digit supplement. Blank means no add-on.

Barcode

Enter an ISBN and generate.

What this tool does

ISBN-13 is encoded as an EAN-13 “Bookland” symbol. A valid ISBN-10 is converted with the 978 prefix and a newly calculated ISBN-13 check digit. The optional EAN-5 is rendered as a separate supplement so a printer can preserve its required gap.

This page does not register an ISBN, certify ownership, or replace a printer proof. ISBNs are assigned by national ISBN agencies; publishers should follow their agency and printer specifications. Sources checked 2 October 2026: International ISBN Agency and ISBN Users' Manual.

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