BookFab Kindle Converter (Lifetime)

1.2.2.4 Mar 12, 2026

• New: Enhanced the clarity of comic downloads from FANZA, DMM and BookWalker platforms.
• Fix: Resolved the issue where Kobo repeatedly asked for verification codes.
• Fix: Fixed the playback issue with Audible audiobooks after conversion.
• Fix: Resolved the issue preventing continuous conversion of multiple Kindle eBooks.

1.2.2.3 Mar 5, 2026

• New: BookWalker Converter is now available, supporting downloading content from bookwalker.jp and global.bookwalker.jp.
• Fixed: Resolved client startup failure caused by Qt component loading issues, improving startup stability.

1.2.2.2 Feb 28, 2026

• New: Launched the brand-new DMM Converter, supporting downloads of digital content from the DMM platform for more flexible access and convenient management.
• Fix: Resolved the authorization failure issue when decrypting Kindle eBooks with Kindle Converter. Now fully compatible with the latest Kindle for PC 2.8.2 version, ensuring stable and successful decryption.

1.2.2.1 Feb 10, 2026

• New: Launched the brand-new product Audiobooks Converter, supporting downloading content from the audiobooks.com audiobook platform and converting it to common audio formats.
• Fix: Resolved an issue where the Amazon Kindle authorization failed prompt appeared even after successfully obtaining the local key.
• Fix: Added detection for the Amazon Kindle for PC installation directory, and improved the detection and copying logic of BookFabTool.exe, effectively reducing abnormal pop-ups related to Kindle Converter authorization.

1.2.2.0 Feb 5, 2026

• New: Launch of Fanza Converter, now supporting downloads of comics, e-books, and other content from the Fanza platform, providing a more convenient way to access reading materials.
• New: Brand upgrade for BookFab, introducing a brand-new panda logo.
• Fix: Improved compatibility with Kobo Plus subscription eBook decryption.

1.2.1.9 Jan 14, 2026

• New: Optimized the client sidebar structure by reorganizing functional modules based on usage scenarios, enhancing navigation clarity and overall operational efficiency.
• Fix: Resolved download failures for some Kindle eBooks caused by authorization or local environment issues.
• Fix: Addressed download failures for some Kobo eBooks and reduced unnecessary reactivation prompts.
• Fix: Corrected abnormal display of book titles, author names, and other information for some Kobo eBooks.
• Fix: Fixed issues where some Audible audiobooks had no sound or audio files were not generated properly after download.

1.2.1.8 Dec 26, 2025

• New: Launching the brand-new AudiobookJP Converter, which supports downloading audio content from audiobook.jp and allows you to choose from multiple formats such as MP3, M4A, and more, easily expanding your audiobook library.
• New: The TTS engine has been upgraded, improving voice naturalness and cloning effects for a more immersive auditory experience.
• Fix: Resolved known issues.

1.2.1.7 Dec 13, 2025

• New: Support downloading Kindle and Kobo e-books in PDF format, enabling access and reading across more devices and environments.
• New: Optimized the layout of the Settings window to improve visual intuitiveness and user experience.
• Fix: Resolved known issues to enhance system stability.
• Fix: Resolved crashes occurring during task processing, improving system stability.

1.2.1.6 Dec 11, 2025

• New: Support downloading Kindle and Kobo e-books in PDF format, enabling access and reading across more devices and environments.
• New: Optimized the layout of the Settings window to improve visual intuitiveness and user experience.
• Fix: Resolved known issues to enhance system stability.

1.2.1.5 Dec 5, 2025

• New: Added product information pop-up for easy access to new releases and feature updates.
• New: Added promotional activity display to stay updated with limited-time offers.
• Fix: Resolved word-breaking issue in audiobook chapter lists for a smoother reading experience.
• Fix: Optimized interface to enhance overall readability.
• Fix: Addressed other known issues.

1.2.1.4 Nov 28, 2025

• New: Released the BookFab Calibre Plugin, allowing users to decrypt Kindle e-books directly in Calibre. Available for users who have purchased Kindle Converter. More Info: https://bookfab.dvdfab.cn/kindle-converter.htm#calibre
• New: Added a "Calibre Plugin" entry in the menu for quick access to plugin details and download.
• Fix: Resolved minor interface text and layout issues for a better user experience.
• Fix: Resolved other known issues to enhance program stability.

1.2.1.3 Nov 12, 2025

• New: Introducing the BookFab Audible Converter. Download audiobooks directly from Audible through the built-in browser.
• Fix: The Kindle Converter now automatically copies authorization files to prevent the "Unable to detect Kindle authorization" error.
• Fix: Addressed other minor issues for a smoother experience.

1.2.1.2 Oct 24, 2025

• New: Added support for searching and sorting Kindle e-books, enabling quick location of books to be converted.
• New: Added support for adjusting the column width of book names, allowing longer book titles to be displayed and improving the efficiency of batch operations.

1.2.1.1 Oct 20, 2025

• Fix: Resolved issue with decrypting e-books from Kindle Unlimited.
• Fix: Addressed the problem of being unable to detect Amazon authorization when decrypting Kindle e-books.

1.2.1.0 Oct 1, 2025

• Fix: Resolved an issue where Kindle eBooks failed to download after updating Kindle for PC to version 2.8.
• Fix: Addressed other known issues and improved overall user experience.

1.2.0.9 Sep 19, 2025

• New: Automated Kindle e-book decryption. Books downloaded via Kindle for PC are now scanned automatically—no manual import needed.
• New: Added a Download Manager button in the Kobo Converter interface for quick access to downloads.
• Fix: Separated Kindle and Kobo downloads into distinct sections, replacing the old Download List for clearer management.

1.2.0.8 Sep 1, 2025

• New: Launched the new product AudioBook Cloud Enhancer! It allows users to quickly create personalized AI voice models by uploading audio samples or recordings, delivering a realistic and natural customized audiobook experience.
• New: Voice clone models now support information management. Users can freely name their models, change avatars, add scene tags, and more, making classification and management more efficient.
• New: Seamless integration with AudioBook Creator is now available. Cloned voices can be used for "Text to Audio" conversion and "AudioBook Creator," supporting preview and audio output.
• New: AudioBook Cloud Enhancer will soon introduce text recognition, multi-voice narration, and emotional expression support to further enhance the expressiveness of audiobooks. Stay tuned!

1.2.0.7 Aug 27, 2025

• Fix: Resolved the issue causing Kobo eBook download failures.

1.2.0.6 Aug 7, 2025

• New: Added the "News Center" feature to make it easier to access more product information and news.
• Fix: Added a pop-up window to confirm task deletion before operation to prevent accidental deletion.
• Fix: Solved the problem of abnormal interface display under different screen resolutions to improve compatibility and user experience.

1.2.0.5 Jul 17, 2025

• New: AudioBook Creator voice model upgrade! Comprehensive optimization of voice performance, with more natural and smooth speech and richer emotional expression.
• New: Added five unique voices for English and Japanese to meet diverse needs.
• Fix: Fixed the problem that Kobo Converter fails to download in some cases and improved the download stability.
• Fix: Fixed some known issues and optimized the user experience.

1.2.0.4 Jul 8, 2025

• New: Kindle eBook import function is upgraded and now supports decrypting the latest version of Kindle eBooks to improve the reading experience.
• New: Dark skin mode is added to optimize the nighttime experience and reduce visual fatigue.
• New: Fine-tuned the details of the interface style to improve the overall aesthetics.
• Fix: Fixed the problem of Kobo comic download failure, ensuring smooth access to comic resources.

1.2.0.3 Jun 23, 2025

• New: Added category tags and search functionality to the voice selection interface, supporting multi-dimensional filtering by language, gender, style, etc., making it easy to quickly find preferred voices.
• New: Introduced the "Liked Voices" feature for quick access to frequently used voices.
• New: Added support for evaluating voice quality, with feedback serving as a reference for future improvements.
• Fix: Resolved the issue of Kobo Converter failing to download comics, enhancing overall stability.

1.2.0.2 Jun 6, 2025

• New: Support manually importing books downloaded via Kindle for PC for decryption and conversion (limited to Kindle for PC version 2.4.70904) to ensure account security.
• New: Support selecting the output format of eBook Converter, you can choose to save it in the original format or EPUB format to meet diversified needs.
• New: When visiting supported eBook websites via the built-in browser, a pop-up window will automatically appear when a downloadable eBook is detected. This function is enabled by default, but can be switched to the Manual mode in the Setting window.
• Fix: Fixed a download problem of Kobo eBook and improved download stability.
• Note: The function of downloading Kindle eBooks through the built-in browser is being fixed urgently. Thanks for your understanding and patience.

1.2.0.1 May 23, 2025

• New: Kobo Converter is officially released to convert Kobo eBooks to DRM-free EPUB files.
• New: Secure login to Kobo account via built-in browser for quick access.
• New: Keep the metadata and format of the original eBook intact during conversion.
• New: Seamless integration with AudioBook Creator to easily convert Kobo eBooks to audiobooks.

1.2.0.0 May 12, 2025

• New: Introducing the eBook Converter – now with Kindle support, delivering a fresh reading experience!
• New: Added support to sign in to your Amazon Kindle account directly through the built-in browser for instant access to your personal ebook library.
• New: Added support to download your purchased Kindle ebooks in EPUB format.
• New: Added support to download newly released ebooks - stay current with the latest content.
• New: Added support to download ebooks available in Kindle Unlimited - enjoy unlimited reading resources.
• New: Seamless integration with BookFab AudioBook Creator - easily convert ebooks to audiobooks.

1.1.0.5 Apr 21, 2025

• Fix: Fixed some known issues to ensure system stability and functionality reliability.

1.1.0.4 Apr 18, 2025

• New: Introducing a brand-new voice selection interface! Explore detailed character profiles to quickly discover the personality and unique qualities behind each voice.
• New: Find the perfect voice effortlessly with real-person avatars and corresponding application scenarios. Boost your voice selection efficiency.
• New: Experience a more immersive and realistic audiobook experience with significantly improved voice naturalness and pronunciation clarity.
• New: Enjoy a wider range of accents with the addition of British and American English options, catering to diverse tastes and applications.

1.1.0.3 Feb 11, 2025

• New: The speed of splitting e-book chapters into blocks has been comprehensively upgraded, with processing time reduced to under 3 seconds, with a huge leap in efficiency!
• Fixed: Some known issues have been fixed.

1.1.0.2 Jan 16, 2025

• New: Supported simultaneous processing of three block tasks, significantly improving the speed of converting eBooks to audio.
• Fix: Fixed some known issues to ensure system stability and functionality reliability.

1.1.0.1 Jan 3, 2025

• NEW: Improved text-to-speech generation quality, delivering more natural and smoother voice output.
• Fix: Optimized EPUB eBook parsing logic, ensuring chapter names accurately match their content for a more seamless reading experience.
• Fix: Enhanced interface layout and design for better visual appeal and smoother operation.
• Fix: Fixed known issues, leading to stronger performance, improved stability, and an upgraded user experience!

1.1.0.0 Dec 27, 2024

• We’re excited to announce the launch of the eBook-to-Audiobook feature!
• New: Instantly convert your EPUB eBooks into audiobooks and export them as full audio files. You can listen to your favorite books now and enter the new era of BookFab audiobooks!
• New: Converted audio can be saved in M4B format, making it easy to import into Apple devices like iPhone, iPad, and Mac.
• New: Our Book Management Library is now available to help you organize your books, track your listening progress, and quickly find exactly what you’re looking for.
• New: eBook playback now supports text highlighting for a better listening and reading experience. So you can read and listen at the same time without missing a beat.
• New: We’ve also added a timed playback feature, so you can set your listening schedule around your day. Take control of your listening experience, anytime, anywhere.
• Fix: Fixed known issues and improved stability for a smoother experience. Your satisfaction matters to us!

1.0.0.4 Dec 4, 2024

• New: Optimized the speech generation algorithm for better voice quality.
• Fix: Fixed some known issues.

1.0.0.3 Nov 29, 2024

• New: A stroke effect has been added to the main interface to match the light background.
• New: The authorization pop-up window now offers an option to disable further prompts.
• Fix: Solved the problem of inaccurate results after text-to-speech conversion.
• Fix: Fixed the issues existing in the interface display.

1.0.0.2 Nov 20, 2024

• New: Added an independent playback interface to improve the stability and accuracy of the playback function.
• New: Added audio information records on the right sidebar of the playback interface, with support for quick audio playback.
• Fix: Fixed the issue where the dropdown menu couldn't be retracted.
• Fix: Solved the problem of excessive margin between the scroll bar and the interface.

1.0.0.1 Nov 8, 2024

• New：Upgraded TTS model for enhanced quality and faster conversion speed.
• New：Added support for dragging and dropping.txt files for import.
• New：Added a one-click clear button in the text-to-audio text editing interface.
• New：Optimized the interface display to provide a better visual experience.

1.0.0.0 Oct 23, 2024

• The first version of BookFab, a revolutionary text-to-speech tool, is officially launched. It is designed for users with a wide range of audio needs. Our product comes with powerful features:
  - High-quality text-to-speech conversion for English and Japanese languages.
  - A diverse selection of over 40 voices.
  - Thorough customization via adjustable prosody, expressivity, and silence.
  - Pronunciation correction through alias and reading rules.
  - Synchronous highlighting and automatic scrolling.
  - Direct text pasting or TXT file import for conversion.
  - Output in MP3 and OPUS audio formats.
  More Info: bookfab.dvdfab.cn/audiobook-creator.htm