Bookow barcode generatorbookow.com
FreeFree ISBN barcode generator for covers.
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ISBN & Metadata
ISBNs, barcodes, and metadata tools for a professional, properly-identified book. 5 tools, compared by price and platform.
5 tools
Bowker (MyIdentifiers)myidentifiers.com
PaidOfficial US ISBN agency (single & bulk ISBNs + barcodes).
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Free retailer ISBNskdp.amazon.com / lulu.com
FreeKDP/Lulu/D2D provide free ISBNs (tied to their imprint).
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International ISBN Agencyisbn-international.org
PaidDirectory of country-specific ISBN agencies.
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Nielsen UK ISBN Storenielsenisbnstore.com
PaidOfficial UK ISBN agency.
Web