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Scan ISBN barcodes and create your own book database

 
Automatically catalog your books by scanning ISBNsGet author, title, publisher, genres, subjects & cover art.
Just search our huge online book database ... ... by scanning ISBN barcodes
Over 40 million ISBNs recognizedGuaranteed 97% success rate on your ISBN searches!
For your phone
  • Available for iOS and Android
  • Built-in camera barcode scanner
  • Sync data with the Movie Connect software
For your computer
  • For Windows, macOS, Linux, chromeOS, etc.
  • Use with the free CLZ Barry barcode scanner app
  • Sync data with the CLZ Movies mobile app

Or... use them both, as perfect companions!

Both CLZ Books and Book Connect can be used on their own, as a stand-alone solution. But these tools really come to live when used together, as they are great companions.
While away from your computer use CLZ Books on your phone, then use Book Connect at home, to work on your database on a big screen, with a real keyboard.
Of course, you can sync your database between them through our CLZ Cloud solution.

CLZ Books
1 year
+
Book Connect
1 year
USD $0.00
USD $0.00
save USD $0.00

Also still available: Book Collector for Windows

Book Collector is our legacy desktop software. Old-skool software that you install on your own computer, with your data stored locally.
Using Book Collector is only recommended for advanced Windows users, who know how to install/update software, manage folder and file permissions, configure firewall/security software, make their own backups, etc...

Learn more about Book Collector

Latest software updates

Great app! Easy to use, clearly and cleanly laid out. Adding books is a breeze - just scan the barcode. I really like that my collection information syncs with and is backed up in the cloud. Customer service, on the rare occasions it is needed, is just excellent - I had a question to which the response was (1) polite, (2) really fast, and (3) really well and clearly explained. I am very, very pleased with this app and company. — Sean Alexander on April 28, 2022

Reviews from customers

April 17, 2022
Simple and easy
I had another app that I was using to store my collections of books that I own to help me remember but it never added titles and that app disappeared from the App Store. I like this app because I get to just scan my books into it and it sorts it out in order for me and I don’t have to put any guesses whether I own a book or not when I’m out or online shopping I just check this app. Also way cheaper then other organizations apps. — Hhggttddkkffttbh (New Zealand) on CLZ Books
March 29, 2022
Excelente aplicación para catalogar tu colección de libros
Excelente aplicación para catalogar tu colección de libros. Valoro el hecho de que permita exportar e importar los datos (otras aplicaciones similares no lo permiten) y de esta manera poder utilizarlos a tu conveniencia. Excelente servicio de atención al cliente que supongo debe funcionar las 24 horas del día, pues me contestaron una duda por correo al poco rato y era en domingo. La búsqueda de los libros mediante escaneo de código de barras funciona muy bien. El único inconveniente, hasta ahora, es el precio. Funciona por suscripción mensual o anual y yo preferiría un pago único, aunque habrá que ver si las actualizaciones periódicas que prometen justifican ese sistema de negocio.
De momento, muy satisfecho. — David Laskowitz (Spain) on CLZ Books
January 18, 2022
This is your sign
If you're reading reviews to help you decide if you should splurge on the subscription - this is your sign - you absolutely should. Estimate how much time it would take you to manually catalogue your books & subtract the time it takes to just scan the barcodes of all your books. Multiple the remaining time by minimum wage (or your actual hourly rate). Is it more than $1.49/month in time saved? Do it. — Claire B on CLZ Books
January 12, 2022
New user happy
Just started using this app and the mixture of simplicity and complexity raises it above the competition. Now got to scan about 1000 more books! — DG_London (United Kingdom) on CLZ Books
January 08, 2022
Great range of features and tools
I've been using this app (and its Windows version) for a number of years and have found it excellent with a great range of features and tools. Adding books to the database is very easy either by manual entry or by scanning the barcode. Updates and improvements come through regularly at no additional cost. Customer service and help are also very good and very prompt. I highly recommend it. — Geoff Norridge (United Kingdom) on CLZ Books
December 16, 2021
Me gusta
El uso simultáneo con el mac y el iphone me da mucha flexibilidad, aunque es más completa la batería de datos del programa para mac. Sencillo de usar, el escaneo de isbn (hay algunos que aún no localiza) es de lo mejor para obtener datos rápidamente. — Lpf64 on CLZ Books
September 27, 2021
I love this app
We have a ginormous book collection and once I put the time and effort into organizing and scanning all of them, it has been so easy to look up what we have when out. Because of sharing the database, we both can refer to it too. Super easy to use, and we'll organized. We grabbed music version as well. — Nell Ruedin on CLZ Books
September 15, 2021
You are the best
I could not manage my collection without. I love the option to scan a book in the store and find out if I already own it. Happened a couple of times before I converted my collection to your program. — Frank Bernhardt (USA) on Book Collector
August 30, 2021
It works!
I just got this app and I love it! It was rocky setting up some of the books I have but didn’t check my email which had a welcome note with clear instructions on how to add books! I contacted customer service with some search questions and received a nice response very quickly. It’s not an automated reply! I even deleted a different book tracking app because this one is easier to use and faster! Feature I like are seeing books I own that are marked read or not read, the ease of scanning. and the folders for categorizing! Oh and the friendly customer service! Thank you! — LisNeal on CLZ Books
August 10, 2021
Great book catalogue
Love working with this app. Books can be entered by scanning their barcode, so it’s a powerful bookcataloguing system that’s very quick and easy to use. I make heavy use of options that allow you to personalize the settings and stored details, so it’s tailored to my needs.
Over the 7 years that I’ve used this app, I’ve seen lots of improvements. The developers are in-tune with their customers—if we ask for new functionality, it’s actually considered and often implemented. I even had the owner email me when I had an issue! — Kxt213 on CLZ Books
July 29, 2021
My collection at my finger tips
Just download this app today but I truly appreciate how functional it is. Let me preface this by saying I did purchase the sub so I have both the scanning and cloud storage. I estimate that I have nearly 1000 books in my vast collection and often can forget which series I might have missing book in. Now I can keep everything at my finger tips! — Mara Jenkins on CLZ Books
July 06, 2021
Fantastic app
Fantastic, books are entered so quickly, and if they can't be scanned they are easy to put in. — John Ess on CLZ Books
June 20, 2021
CLZ Books - Book Inventory
CLZ Books - Book Inventory
I have owned CLZ books for nearly ten years and could not be happier with it. It is worth every penny. The most convenient feature of the app is the bar code scanner. You can add books to your inventory or see if you already own a particular book. — proculus1 on CLZ Books
June 07, 2021
Great
Great app, finds 99.9% of the books I scan. — Brad Wallace on CLZ Books
June 02, 2021
Excellent app
An excellent app which is very sophisticated and powerful. A delight to use and Cloud synchronisation is a major asset as is the camera based ISBN scanning and adding feature. — John Pearson on CLZ Books
June 01, 2021
Very Handy!
If you are a book collector (a bibliophile!) then at a certain point you can’t keep an accurate track of your collection in your head. This becomes a problem when you are in a book store, you see something interesting and you really should know if you already have that book, or that particular edition or if the asking price is a bargain or too high. CLZ Books on the iPhone is a perfect way to keep track of not only what you have in your collection but also what is on your “want list” with lots of details. Using a book’s ISBN code, CLZ Books will fill in most of the critical data, including an image of the cover, and it is quite easy to add the missing pieces that are important to you (date of purchase, which bookstore, etc.). All this information sitting there sitting in your phone ready to be tapped into on a moment’s notice. I’ve been a CLZ customer for many years, starting when only a PC version was available. I didn’t choose their program lightly. It was just the best one available at the time. Their constant improvements and their expansion into the Mac world and then onto the iPhone has confirmed that my early adoption was valid and I still am a total fan of their app and believe that the price is a bargain for the product and the service. — jfair3 on CLZ Books
May 30, 2021
Fantastic software for bookaholics - and clubs
I have used the book cataloging software for many years to catalogue the many (many) books we have stored in numbered boxes and bags in our loft. I had also catalogued the books belonging to our local Embroidery group. We wanted to make full use of the group’s books during lockdown and with the superb help of the Collectorz support team, we set up a separate Library and included, on separate sheets, books belonging to members who were willing to loan them out. Until face-to-face meetings resume, we have an ad hoc doorstep delivery system in place, supported by the Loan facility within the software.
The CLZ Barry scanner enables members to scan the barcodes of books they are willing to loan and email the ISBN numbers directly from the App to our Librarian for logging. Subject to Covid restrictions, we can work directly with any member who has as many books as me, to load the books directly. It is particularly helpful to be able to sort on technique, subject etc as well as author and title.
The software works and the support team are easy to contact and really helpful. Highly recommended! — Teresa the embroiderer on CLZ Books
May 27, 2021
Perfect for Organizers!
I love to organize and as a homeschool mom I have nearly 1,000 books. Keeping them organized would be such a chore but this app makes it so easy! I love being able to scan the ISBN of a book to add it to my booklist. And pro tip: if you have lots of older books with no barcode, I’ve found the fastest way to enter them is to go to the keyboard for typing it in, and then click on my microphone and quickly say the numbers. Works great! — GoodHoll on CLZ Books
May 26, 2021
Works really well
This app really works. It is ez to input you data. I use the scan function. Well thought out and organized. — Peter Johnston on CLZ Books
May 25, 2021
Easy to use, great support
I looked at many other programs and found the book app superior to all the rest. It's four years later and I thought I would update what I thought about this app. I love the ability to scan your smartphone and have a transmitted to your desktop automatically. It's easy to use, keep track of your books in different forms and you can change the looks and the settings of how they are displayed. It's a great little app, easy to use with great support. Rates five — Wayne Dyche on CLZ Books
May 24, 2021
CLZ Fan
I’ve been using the CLZ Apps for several years. I started out with the Music Collection but soon after, I got the Books app and the Movies app. I have over 500 books in my collection and most of them added easily with the Author’s name or title. I read almost exclusively nowadays from Kindle, but I added paperback books easily with the scan function. Recently, I have been reading newer works that unknown authors self-publish on Kindle because they are a heck of a lot cheaper than top sellers list books. If they are not in the database, they are fairly easy to add to the collection with book covers and an overview of the book. It’s a great app which I use all the time as I read a couple of books a week. — GoodTimes60 on CLZ Books
May 20, 2021
Great Book inventory product
I own over 540+ books and this does a nice database job. I buy a lot of HISTORY books and computer books, this works great to prevent duplicate purchases. When looking at new wish books like the wish list for recall when asked for gift ideas. Like the detail and the book cover pic to compare if purchase or already own. Easily search when shopping especially mobile. Alwin & Team constantly adding new features Via enhancement updates. If there is a problem The Team addresses it very quickly although i have owned for many years and haven’t found too many issues mostly just added enhancements. Highly recommend, cost effective and enjoy it so much purchased several other of his inventory products. Couldn’t add to collections without this product And adding via Title or even better ISBN code is great. App is flexible and allows for cover graphics override so can match exact ownership version. Highly enjoy & Recommend. — Barmeister on CLZ Books
May 11, 2021
CLZ Books - A Good Beginning for a Life Journey with Books
CLZ Books helps to introduce an order into a possible book chaos when you have more than few of them. The app has good visuals and presents, among others, book covers on each shelf placed front covers to a viewing user. I have still not figured out if there is an option to quickly place a photo or a scan of a book’s Table of Content, Index or Bibliography straight into the database, which would be handy. Also I do not know if there are options to export or import books from other bibliographic apps on the market. — W P Nowak on CLZ Books
May 04, 2021
Great App
As a Church Pastor I have thousands of books. Cataloging them was a challenge up to now. Along came CLZ which is an incredible app for keeping record of all my books. You have the option to add them manually or by scanning them on your device. The fact that it works on both my iPhone and iPad is a bonus.
I had some issues with trying to synchronise my books on both devices but after a few emails to the friendly and professional staff at CLZ the problem has been sorted. It’s worth the annual fee! Try it… You won’t be disappointed! — FanRev on CLZ Books
April 22, 2021
Intuitive and user-friendly
I also wanted to take a moment to thank you for creating the Book Collector software. I have an extremely large book collection that I need to downsize, and I was hoping to find a tool that would allow me to easily catalog my books so I could determine which ones to sell, which ones to bring to the used bookstore, and which ones to keep. I also wanted to capture other details about my books. I discovered your website by pure chance through a Google search, and I am so happy I did since your software does everything I wanted to do (and more)! I having been working with data for 35 years and find that most tools lack the functionality that users would like, but that is not the case with Book Collector. It is very intuitive and user-friendly, and I have been able to figure out how to do something without looking at the manual. The app is a life-saver too since I found it challenging to use my web cam to scan the ISBNs. With the app synchronization, this work is very easy.
Thanks again for the wonderful resources you have created. — Jim V. (USA) on Book Collector
March 08, 2021
Home library
I have a home library of around 350 books, and growing. It was getting to the point where I didn't know which books I owned already. I got CLZ as my home library database and have really enjoyed having it. It's super easy to scan books in or type in the ISBN, and it's easy to search as well. So when I'm at the book store I can quickly see if I already have a book or see what books I'm missing from a particular set. Definitely recommend for anyone with a large home library. — Lauren Rose on CLZ Books
February 21, 2021
Excellente application
Excellente application qui permet, grâce à la recherche en ligne, où par la saisie du code barre, de référencer et gérer tous les livres de sa bibliothèque perso, et d'éviter très simplement et rapidement l'achat de doublons en vérifiant directement dans le magasin (Soit par saisie d'une partie du titre, ou du nom de l'auteur, ou encore en scannant le code barre ) : efficace, fiable et rapide ! — Un utilisateur de Google on CLZ Books
January 13, 2021
Excellent App
With over 1000 books and an obsessive book buying personality this is my favourite app on the phone. Extensive sorting and personalisation of catalogue capability and a friendly interface. Now I won’t be buying double ups all the time. Scanning is fun and found every single one. — Aus Volpe on CLZ Books
December 21, 2020
If you have a huge book collection, this app will help!
It’s been less than one full day since I downloaded this on my phone and input about 250 of my books. The scanner/database worked for about 90% of those, and the rest were pretty easy to enter manually. I still have about 1500 books to go, but I’m already very happy with this app and will be renewing/maintaining my subscription. — corvis9 on CLZ Books
November 02, 2020
Awesome app & excellent support!
I've been using this app for about 2 months, and couldn't be happier. I'm using the app in a slightly unconventional way - not for a personal book collection, but for the school's PTO book collection. The cloud feature of the app allows me to upload all our books, for parents / students to view what's available, and the flexibility of the app allowed me to customize each record to allow for people to select books they wanted.
Populating the app was very simple by scanning ISBN barcodes, and even when a barcode wasn't available, a manual entry was very easy to do. I did do some editing of records to ensure consistency across our database, but this too was very easy. I also edited a number of cover images by adding my own - again very simple a straightforward!
I highly recommend this app. Not only is it comprehensive yet simple, it comes with a first class support team. On occasions when I have had questions, I have dealt with three different support analysts, and each has been highly responsive, knowledgeable and friendly. You can't go wrong with this app! — Paulaclaire on CLZ Books

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