Do You Actually Need an ISBN Barcode? (Probably Not. Here’s When You Do)

ISBN barcode blog featured image

You bought your ISBN, you’re feeling very official, and then the checkout page asks if you’d like to add a barcode for $25. It looks like part of the deal. It’s usually not.

Let’s figure out whether your picture book needs one, and if it does, how to make one for free in about a minute.

ISBN vs. barcode: not the same thing

Your ISBN is the 13-digit ID number of your book. The barcode is just that number drawn as stripes, so a store scanner can read it. Same information, different outfit. If you’re still deciding where to get the number itself, start with Free KDP ISBN or Buy Your Own? and come back here after.

When you DON’T need to make a barcode

If you print through Amazon KDP or IngramSpark, they place a barcode on your back cover for you. You just leave a clear spot for it in the cover design (bottom right of the back cover is standard), and the platform drops it in. That’s it. No purchase, no generator, no stress.

IngramSpark’s free cover template generator even includes the barcode, price and all, right in the template file it emails you. And ebooks never need a barcode, because nobody scans a Kindle at the register.

When you DO need your own barcode

  • You’re doing an offset print run with a printer, say 500 copies for school visits, book fairs and local shops. Offset printers print exactly what you send them, so the barcode has to be in your cover file.
  • Your designer is building the full cover by hand and wants the barcode placed precisely in the artwork.
  • You’re selling directly to a store that wants to scan your book at checkout like any other title.

The best free ISBN barcode generators

Good news: you don’t need to pay anyone for a barcode. These free tools make a print-ready one from the ISBN you already own. None of them give you an ISBN, though; you need the number first.

That little extra barcode: the price add-on

You’ve probably noticed the tiny second barcode next to the main one on real books. That’s the price add-on, a five-digit code. The first digit is the currency and the rest is the price, so 51699 means $16.99 in US dollars. The generators above work this out for you when you type a price.

Not sure about the price yet, or selling in several countries? Use 90000. It means “no price set,” and scanners won’t complain. Plenty of indie authors use it so they can change the price later without redoing the cover.

Quick checklist before you send your cover to print

  • Print the barcode at 100% size, around 2 inches wide. Shrinking it is the fastest way to make it unscannable.
  • Use a PDF, vector or PNG file, not a JPG. JPGs blur the edges of the bars.
  • Keep it black on white. A cute pastel barcode on a pastel background is adorable and completely unreadable.
  • Double-check that the digits under the barcode match your ISBN, and that each format (paperback, hardcover) has its own.
  • Test it: scan the proof with a free barcode scanner app on your phone.

The bottom line

If you’re printing on demand through KDP or IngramSpark, skip the $25 barcode and let the platform handle it. If you’re doing your own print run, grab a free generator above and spend that $25 on something better. A few extra copies to donate to your local library, maybe.

Still weighing the free KDP ISBN against buying your own?

Free KDP ISBN or Buy Your Own? The honest breakdown of costs and catches →

Tools and platform rules were checked in November 2026. We’re not affiliated with any of the tools listed, and nothing here is sponsored.

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