Powerful & Flexible Widgets * Besides title, paragraph, photos, videos, audio recording, markdown, and other basic elements, CBB offers a lot of powerful widgets: Read Aloud, Quiz, Slideshow, Table, Chart, Question, Equation (LaTeX), Drawing, Shapes, Checklist, Expandable Content, Screen Recording, Panorama, 360 Degree Image, QR Code, Online Image, Online Video, YouTube Video. * Popup footnotes and glossary can be defined and linked from content. * All widgets can be customizable. Multiple Output Format * Besides EPUB, CBB offers other types of output to maximize your content usage: HTML5, PDF, Audio, Photo & Video. * HTML5 books can be read in any browser on any platform without EPUB limitation, e.g. embed html code and iframe. HTML5 books can be hosted on Google Drive and exported as zip file for offline reading. Reuse Your Existing Content * Import your great content from Blogger, WordPress or RSS/Atom feed directly. * Convert your web apps generated by TouchAppCreator into books. * Specifically, Google Documents, Slides, Sheets, and Drawings can be imported into CBB as easy as possible. * Import any files from iCloud, Dropbox, Google Drive, OneDrive & FTP Server. * Smart Merge: define place holder and merge with different values. Editing Tools * Edit image directly (filters, add text, etc). * Cut, copy, and paste elements from page to page. * Lock element to avoid movement. * Find and replace string for elements. * Mark pages as draft version. * All paragraph, title, markdown & HTML elements are saved automatically. * Backup book to Dropbox automatically after generating book. * Synchronize books with iCloud. * Deleted books can be restored until the books are deleted permanently. * Navigate whole book while recording audio. * Edit two books at the same time by using multiple windows (iOS 13). Sharing Tools * Share page or whole book via iCloud, Dropbox, Google Drive, OneDrive, FTP Server & WebDAV Server. * Share book between devices via browser by using QR code. * Transfer book to desktop via iTunes File Sharing (USB without WiFi). * Batch upload your books to cloud services.