Vitalsource Downloader Chrome is Chrome Extension, it work with Chromei browser from macOS 10.10, download Bookshelf book to pdf epub automatically, this is step by step guide.

1. Download, install and run Vitalsource Downloader Chrome Mac .


it extract chrome extension to local folder

~/ebookconverter/Vitalsource Downloader Chrome/extension

2. Open Chrome Extension page to install vbk extension

Run Chrome, click 3-dot button in chrome top right toolbar, “More Tool – Extension” Open Extension Page.

Enable Developer mode on top right chrome Extension page.
Click “Load Unpacked” button on left top chrome Extension page, goto folder and select,

/Users/username/ebookconverter/Vitalsource Downloader Chrome/extension


Vitalsource Downloader extension installed

3. Read Book in Chrome and download

click “Vitalsource Bookshelf” button to login bookshelf account in Chrome.


open book in Chrome, book will download automatically, it will take time download a book,

if you change output to epub, select epub, restart chrome and download it again.

Amazon Web Services in Action – pdf download


Amazon Web Services in Action introduces you to computing, storing, and networking in the AWS cloud. You’ll start with a broad overview of AWS and learn how to spin-up servers manually and from the command line. Then you’ll explore infrastructure automation with the AWS CloudFormation service, where you can describe a blueprint of your infrastructure as code.

Oreilly Downloader is tools to download ebook on oreilly.com with 1-click. it download ebook to pdf file, read them on iPad, Kindle, tablet or other device without limitation, user also can print pdf ebook. It is very easy to use, just 1-click to download computer science book on oreilly.com

This is step by step guide to download Amazon Web Services in Action

1). Download and install Oreilly Downloader, it run like a browser, user sign in safari online in webpage, find book “Amazon Web Services in Action” to download and open it.

2). Find book to download, click “Reading” button to open book.

3). User open book in downloader, wait until “Download” button is ready, click download button to download ebook, it takes a while.

4). Downloader go through all book pages , it takes a while.

5). new PDF file created when finished, it saved in My document folder, “doc\ebook converter\safari online downloader\” .

About the Book

Physical data centers require lots of equipment and take time and resources to manage. If you need a data center, but don’t want to build your own, Amazon Web Services may be your solution. Whether you’re analyzing real-time data, building software as a service, or running an e-commerce site, AWS offers you a reliable cloud-based platform with services that scale.

Amazon Web Services in Action introduces you to computing, storing, and networking in the AWS cloud. You’ll start with an overview of cloud computing and then begin setting up your account. You’ll learn how to automate your infrastructure by programmatically calling the AWS API to control every part of AWS. Next, you’ll learn options and techniques for storing your data. You’ll also learn how to isolate your systems using private networks to increase security. Finally, this book teaches you how to design for high availability and fault tolerance.

What’s Inside

  • Overview of cloud concepts and patterns

  • Deploy applications on AWS

  • Integrate Amazon’s pre-built services

  • Manage servers on EC2 for cost-effectiveness


How to convert kfx-zip kfx to pdf/epub/txt format

What’s .KFX-zip file

.kfx-zip is new KFX kindle book, it’s zip file, user can rename to .zip and unzip to a folder, share that folder as kindle book.

Want old .mobi kindle file?

There is 2 way to avoid kfx file and get old .azw file,

Why do you get .KFX-zip file?

.kfx is new kindle ebook format, new version app Kindle for pc download ebook in kfx format, our Kindle Converter create a new nodrm .kfx-zip file when remove drm from kfx kindle file, kfx-zip is zip file that user unzip it to a folder, that folder is nodrm kfx ebook.

How to convert .kfx-zip file?

There is Calibre plugin for .kfx-zip file, download here
after install that plugin, user can convert .kfz-zip format to pdf epub format in calibre.