Dear users,
We’re excited to announce that the BookFab Calibre Plugin is now officially available!
As an added feature included with the Kindle Converter product, the plugin is completely free for all Kindle Converter customers. Users who have not purchased Kindle Converter can also enjoy 3 free decryption trials!
🌟 The Best Companion for Calibre Users
For Calibre users, DRM has always been one of the biggest barriers to managing Kindle ebooks.
The BookFab Calibre Plugin is designed specifically to solve this pain point.
- Decrypt any ebook purchased from Amazon Kindle, including the latest releases and titles borrowed through Kindle Unlimited
- Decrypted ebooks are automatically written back to Calibre, allowing you to freely organize, convert, edit metadata, and transfer to devices
- No need to leave Calibre — call BookFab’s decryption capability with a single click
- Enables truly seamless, barrier-free ebook management in Calibre
- Decryption is handled by the BookFab desktop client — stable, fast, and secure
📥 How to Get the Plugin
Option1️⃣: Direct Download
Click the link below to download the plugin package directly in your browser: Download Plugin
Option2️⃣: Download from Product Page
Visit Kindle Converter Product Page, find the Calibre Plugin section and click the download button.
🧩 How to Use the Plugin in Calibre
Step 1 — Install the Plugin
- In Calibre, go to Preferences → Plugins → Load plugin from file
- Select the downloaded plugin .zip file to install
- Restart Calibre if prompted

Step 2 — Add your Kindle ebook and Run the Decryption
- Select the book you wish to decrypt
- Click the BookFab icon in Calibre’s toolbar (or from the dropdown menu)
- Confirm to start decryption

Step 3 — Access the Decrypted Version
- Once completed, the decrypted ebook will automatically return to Calibre
- You can now convert, organize, edit metadata, or transfer it as you normally would
📝 Notes
The current version supports Windows + Calibre
Only Kindle ebook decryption is supported at this time
Please ensure your BookFab desktop client is up to date for the best compatibility
Free trial usage is counted per user account
🙌 We Welcome Your Experience & Feedback
The BookFab Calibre Plugin marks an important step in expanding our ebook management ecosystem.
It could enhance the workflow and capabilities of Calibre users.
We invite you to try it out and share your feedback — your input helps us make BookFab better.
Happy reading! 📚✨