A barcode on the back of a printed book carries its ISBN in a form that a scanner can read in a bookshop, a library or a warehouse. Every ISBN-13 begins with 978 or 979, which means that it already has the structure of an EAN-13 barcode, the standard retail barcode used around the world. The barcode is therefore not a separate number to buy. It is the ISBN drawn as a pattern of bars that a machine can read quickly and without error.
Free tool · ISBN Barcode Generator
ISBN Barcode Generator that turns your ISBN into a barcode that scans
The isbn barcode generator turns an ISBN-10 or ISBN-13 into a scannable EAN-13 barcode, with an optional five-digit price add-on, and lets you download it as a vector SVG file that you can place on the back cover of your book. It runs in your browser, checks the digits as you type and is free for self-published authors, small publishers and cover designers.
Use the free tool
The isbn barcode generator is free to use, with no account and nothing uploaded.
- EAN-13 barcode from your ISBN
- Optional price add-on
- Vector SVG download
Key facts
- FreeNo cost, no account and no usage limit on the isbn barcode generator
- In your browserNothing that you type or paste into the isbn barcode generator is uploaded
- SecondsTypical time from opening the isbn barcode generator to a result
Free tool
ISBN barcode generator
Create a scannable EAN-13 barcode from your ISBN, with an optional five-digit price add-on, and download it as a vector SVG file for your cover.
The isbn barcode generator needs JavaScript, and it works in your browser without sending anything that you enter to a server.
Overview
What the isbn barcode generator does and why it helps
This generator builds that pattern from your ISBN. Enter the number, with or without hyphens, and the tool converts an ISBN-10 to an ISBN-13 if needed, calculates and checks the final digit and draws the 13 digits as bars with the standard guard patterns at the start, the middle and the end. If you choose the price add-on, it adds the five-digit supplemental barcode that some retailers and distributors use to carry a price, and you can download the result as an SVG, which is a vector file that stays sharp at any size.
Barcodes have strict rules for size, quiet zones and colour. The tool draws the bars at the correct proportions, and when you place it on your cover you should keep a clear white margin around the bars, use dark bars on a light background and keep the barcode at a size that scanners read easily. Your cover designer or printer can tell you the exact size and position that they need, and many printers and platforms will place a barcode for you on request.
The ISBN barcode generator turns your ISBN into a scannable EAN-13 barcode, with an optional price add-on, that you can place on your back cover. Authors can use this free isbn barcode generator as often as they like, and it never asks for payment. You can use the isbn barcode generator online in any modern browser, with nothing to install. It works as an isbn barcode generator free online, on phones and desktops alike. We built it as an isbn barcode generator for authors, with book-specific defaults. Indie writers can rely on it as an isbn barcode generator for self-published books.
Many people want an ISBN barcode generator for books that they can drop straight into a cover file, and this works as a free ISBN barcode generator for books and a free online ISBN barcode generator for books in the same page. If you need an ISBN barcode generator vector output for a print cover, a vector file keeps the bars crisp at any size. You can add a price using the ISBN barcode generator with price option, which is how US trade books are usually sold. It is also an ISBN barcode generator for Amazon paperback covers, and in plain terms a barcode generator for ISBN numbers, so a barcode generator for ISBN free of charge is what you have here. Cover designers often ask for a free ISBN barcode generator with price, and the optional price add-on does exactly that.
How to use it
How to use the isbn barcode generator, step by step
Enter your ISBN
Type a ten- or thirteen-digit ISBN. The tool checks the digits as you type and tells you at once if the check digit is wrong, which catches most typing errors before they reach print.
Choose whether to add a price
You may add a five-digit add-on that carries a price code. Some markets and retailers expect it, and others ignore it, so check the rules of your platform.
Check the preview
The barcode appears with the digits beneath it. Compare the digits with the ISBN on your copyright page to confirm that they match.
Download the SVG
The file is vector, so it stays sharp at any size and prints cleanly. Save it with a clear name and keep a copy with your cover files.
Place it on the back cover
Position the barcode in the printer's specified area, on a white background, with a clear margin around it. Do not scale it down below the recommended size.
Test it
Print a proof and scan the barcode with a phone or a scanner to confirm that it reads. A barcode that does not scan is a problem at every point of sale.
How the isbn barcode generator works
Your ISBN, encoded the way retailers expect
You enter an ISBN of 13 digits, or 10 digits that the tool converts, and it checks the check digit, builds the 95-module EAN-13 pattern and draws it as a vector graphic. The first digit chooses the pattern of the left half, the left and right halves use different digit codes and the guard bars frame the whole barcode.
If you want a price add-on, you choose a currency and enter a price. The add-on is a five-digit code, whose first digit shows the currency and whose last four show the price in cents, with its own check pattern. A code of 90000 is used to say that there is no price information.
The result is an SVG file, which stays sharp at any size. You can place it in your cover file and print it in black on white. Keep a clear space around it, do not shrink it below about 80 percent of its standard size and always scan a printed proof before you print a run.
- Check digit validation and ISBN-10 conversion
- Optional price add-on for the US, Canada or the UK
- Vector SVG that scales without blurring
Method
How the isbn barcode generator works out its answer
ISBN to EAN-13
An ISBN-13 is already a valid EAN-13 number. An ISBN-10 is converted by adding 978 to the front, dropping its old check digit and calculating a new one, so that the result is a 13-digit number.
The check digit
The final digit is calculated from the first twelve, by multiplying the digits alternately by 1 and 3, adding them up and taking the amount needed to reach the next multiple of ten. The tool checks that the digit you entered agrees.
Drawing the bars
Each digit is drawn as a pattern of seven modules, and the first digit sets how the next six are encoded. Start, centre and end guard patterns are added, as the EAN-13 standard requires, and the digits are printed beneath the bars.
The price add-on
The optional five-digit supplement carries a price code, where the first digit stands for the currency and the remaining four for the amount, so that 51499 means 14.99 in US dollars. The add-on is optional, and many books use none.
Tips
Getting the most from the isbn barcode generator
Use the vector file
A vector barcode stays sharp however it is scaled, which avoids the blur that a small raster image gives. The isbn barcode generator is free and instant, so it is worth running again whenever your book changes.
Keep the white box
Place the barcode on a plain white rectangle, so that scanners can read it against any cover. Make the isbn barcode generator a routine step on every project, so that results stay consistent from book to book.
Confirm the price code
Check your retailer's rules before adding a price add-on, since some channels ignore it or require a different format. A few minutes with the isbn barcode generator now saves time across the whole manuscript.
Need it done for you?
When the isbn barcode generator is not enough
The generator draws your barcode. These services place it correctly on a print cover, advise on ISBNs and design the back cover that carries it.
Book Cover Barcode Placement
A specialist places the barcode on your wrap cover at the correct size, position and quiet zone for your printer, and checks the file against the template.
See the service →ISBN Guidance
ISBN guidance explains how many ISBNs you need, which format gets which number and how to record them, so that your listings and your barcode agree.
See the service →Book Back Cover Design
A back cover designer lays out the blurb, the praise, the author line and the barcode so that the whole page is clear and the barcode scans first time.
See the service →Before and after
Before and after using the isbn barcode generator
The same back cover, first with a barcode copied from a screenshot and then with a vector barcode checked and placed to the printer's rules.
123Before
- 1A blurry barcode from a screenshot
- 2A barcode placed over dark artwork
- 3An ISBN with a wrong check digit
123After
- 1A sharp vector barcode at the right size
- 2Bars on a white box with a quiet zone
- 3A checked number that scans correctly
- 3problems found in the first review
- 3fixes checked in the final review
- 1named specialist owning every fix
- Fixedprice confirmed in the calculator before you order
A barcode that scans
The bars are drawn to the standard proportions, so shop scanners and library systems read the code at the first pass.
A clean back cover
A vector file at the right size sits neatly beside the blurb, with a white box that keeps it readable on any cover colour.
The right number
The check digit confirms that the ISBN is typed correctly, which protects your sales data and your listings.
Client reviews
What authors say about our barcode and back cover service
Verified reviews from authors who asked a specialist to handle the barcode and back cover after using the isbn barcode generator.
Good publishing support overall. The KDP metadata setup was thorough. One category selection needed updating after initial launch but it was corrected promptly. The book is performing well in its target categories.
My cookbook needed to be set up across multiple platforms simultaneously. The publishing support team handled every submission — KDP, IngramSpark, and Apple Books — with different requirements for each. Flawlessly executed.
The formatting error fix service saved my launch. My original formatter had made margin errors causing repeated rejection. Book Formatting Experts identified and fixed every issue within 48 hours. My launch was back on schedule.
My KDP file was rejected with a technical error message I could not understand. Book Formatting Experts diagnosed the problem immediately — a bleed issue on three pages — and corrected it the same day. Approved first time.
As a first-time author, the technical side of self-publishing was genuinely daunting. The consultation covered every decision — platform choice, pricing strategy, metadata, and distribution. I launched with genuine confidence.
My YA novel needed to reach both English-language and Japanese readers. The multi-region distribution setup was handled correctly across all required platforms. International sales have exceeded my expectations.
Getting historical fiction placed in the right categories on Amazon and IngramSpark required strategic metadata. The team understood the genre classification and the book reached the right readers from the first week.
Navigating IngramSpark's requirements for the first time felt overwhelming. The upload assistance handled everything — metadata, pricing setup, distribution channels. My children's book reached bookstores within two weeks.
Good support throughout the KDP upload process. The metadata setup and category selection were explained clearly. One pricing setting needed adjustment after initial setup but it was corrected quickly.
The publishing readiness review identified four issues in my manuscript that would have caused rejection. Each was clearly explained and quickly resolved. My book launched without any technical complications.
My cover finally looks like it belongs on a bookstore shelf alongside traditionally published titles. The design captures the tone of my book perfectly and my click-through rate on Amazon has increased significantly.
Picture book layout is genuinely a specialist skill. The text placement, illustration bleed areas, and page proportions were all handled perfectly. My printer accepted the files on the first submission.
The atmospheric chapter openings matched the tone of my books without being overdone. The specialist clearly understood what dark fantasy readers expect from a professionally formatted interior.
The cover honours the cultural themes of my book while appealing to an international readership. The imagery, colour palette, and typography choices were all discussed through a genuinely collaborative process.
YA formatting needs to feel energetic but readable. Every chapter felt like an invitation to keep going. The page numbers, headers, and spacing all contributed to a fast, engaging reading experience.
Business books need to feel authoritative while remaining readable. The interior design achieved both. The chapter structure is clear and every table reads cleanly. My corporate clients have all commented favourably.
My author website for children's books needed to be welcoming for both parents and young readers. The colourful, engaging design works perfectly for both audiences. My school visits enquiries have also increased.
Good eBook formatting work. The tables converted cleanly and the navigation works well. One heading level needed a style adjustment but it was corrected quickly. The file performs well on all platforms.
More free tools
More free tools to use with the isbn barcode generator
Each of these tools is free, runs in your browser and works well alongside the isbn barcode generator.
ISBN Validator Converter
Free isbn validator converter that works in your browser, plus a done-for-you ISBN check service with your barcode and back cover.
Open the tool →ISBN Hyphenation Tool
On this barcode and back cover job, free isbn hyphenation tool that works in your browser, plus a done-for-you ISBN formatting service.
Open the tool →QR Code Generator
Free qr code generator that works in your browser, plus a done-for-you print layout service.
Open the tool →Spine Width Calculator
Free spine width calculator that works in your browser, plus a done-for-you spine measurement check service for the barcode and back cover.
Open the tool →KDP Royalty Calculator
Free kdp royalty calculator that works in your browser, plus a done-for-you KDP royalty review service.
Open the tool →IngramSpark Royalty Calculator
Free ingramspark royalty calculator that works in your browser, plus a done-for-you IngramSpark royalty review service.
Open the tool →FAQ
ISBN Barcode Generator: questions answered
These are the questions authors ask most about the isbn barcode generator, including accuracy, privacy and what to do next. If your question about the barcode and back cover is missing, request a quote and a specialist will reply.
What is an ISBN barcode generator?
It is a tool that turns an ISBN into the EAN-13 barcode that is printed on the back of a book, so that retailers and libraries can scan it.
Is an ISBN barcode the same as an EAN-13?
Yes. An ISBN-13 starts with 978 or 979 and is a valid EAN-13 number, and the barcode on a book is an EAN-13 drawn from the ISBN.
Do I need a barcode for my book?
For a printed book sold through shops and libraries, yes. Some platforms add one for you, and ebooks do not need a barcode.
Do I have to buy a barcode?
You do not buy a barcode separately. You get an ISBN from your ISBN agency or a platform, and the barcode is drawn from that number.
What is the price add-on on a book barcode?
It is an optional five-digit supplemental barcode that carries a price code. Many books do not use it.
Can I enter an ISBN-10?
Yes. The tool converts it to an ISBN-13 and draws the barcode for the new number.
What does the check digit do?
It is the last digit, calculated from the first twelve, and it lets a scanner or a person detect a typing error.
What file does the tool give me?
An SVG, which is a vector file that stays sharp at any size and works in most cover design programs.
Where should the barcode go on the cover?
Usually in the lower part of the back cover, away from the spine and the edge, on a white background with a quiet zone around it.
How big should a book barcode be?
Printers usually ask for a size close to the standard, and you should not shrink it far below it. Check the template from your printer.
Does KDP add a barcode?
KDP can add a barcode for you, or you can supply your own, and its cover templates show the place for it. Check its current guidelines.
Is the isbn barcode generator free?
Yes, the barcode generator costs nothing, needs no account and puts no limit on the barcodes you create.
Is this barcode really print-ready?
Yes. The SVG is vector artwork with correct module widths, extended guard bars and quiet zones, so it scales without any loss of sharpness. Place it at 100% size where you can, never scale it below 80%, and always keep it black on a white panel.
Work with a specialist
Turn what you learn from the isbn barcode generator into a finished book
The isbn barcode generator costs nothing, and so does asking what a specialist would do with your book. When the isbn barcode generator has done its part and you want finished files, a fixed price and one named person who owns the job, we are ready to start.