eBook Converter

Ultimate eBook Converter features eBook DRM removal tool helping you to remove DRM from Adobe, Kindle, Nook, Sony eReader, Kobo, etc, reading your eBooks anywhere.

convert  Kindle, Adobe, Nook, Kobo ebook files
Kindle books

Remove DRM from Encrypte eBooks

Convert DRM-protected eBook from Kindle, Kobo, Adobe to DRM-free epub, Mobi, azw3, txt, etc., format

Prof. DRM is a powerful eBook Converter, which enables users to remove different types of DRM protection from eBooks including Amazon Kindle, Kobo, Adobe.

Removing DRM in epub, Mobi, azw3, azw, kfx, prc, HTML, txt and converting to DRM-free format including epub, Mobi, zaw3, txt with lossless quality of the original one.

Easy to Convert

Ultimate eBook Converter makes it simple to convert a bunch of books to EPUB, PDF, or Mobi, and the converted books are displayed exactly the way they are. Drag and drop books from the right side library, choose an output format in the lower-left corner and click the big “Convert” button. Then, all the books will be transformed into the files you need.


locate ebook files

Library Search, locate books instantly

When connecting your e-Reader to the computer, eBook Converter will automatically detect the device and display all the books. You can search a book by a single word in the title, author, publisher, or even introduction.

tutorial help

User manual helps you get started quickly

A comprehensive user manual is provided even when the program is easy to use. You can access the specific user manual in the link below, and it is also included with the program installation.

customer help

Attentive customer service & instant help

If you experience a problem whilst using our software an instant troubleshooting guide will pop up to help you find a solution. Our customer service is online 12*6, and is totally free for technical support.

ultimate eBook Converter

Complete Compatible

The program supports the main e-Readers on the market, including Kindle Paperwhite, Kindle Voyage, Kindle Oasis, Nook, Kobo, etc. The program supports e-Reading Apps include Kindle for PC, Adobe Digital Editions for PC, Nook for PC, and Kobo for PC.

How it Works

After downloading the installer of Video Downloader, you can use it to download music and videos from YouTube, Facebook, Instagram, and other 1000+ video sharing sites. Manage all your downloaded music, songs, and videos in one place, easily and efficiently.

Download Online Videos

Top-notch multimedia solutions for you to download online videos from YouTube, Facebook, Vimeo, Instagram, and 1000+ other websites.

Tech References

Operating System

  • Windows: Windows 10/8.1/8/7 (32/64-bit)
  • Mac: macOS 10.10 – 10.15

System Requirements

  • Core 2 Quad or above
  • 2GB of RAM
  • 10GB of free hard disk space
  • A live Internet connection

Enjoy eBooks by Downloading

Download Prof. DRM eBook Converter, break DRM-encrypted files, and convert to DRM-free format for freely playback on various eBook APP and devices.

  • 100% Safe & Clean
  • 30-Day Money-Back Guarantee