Google Books downloaders on GitHub are generally open-source scripts or small utilities designed to save "Full View" or "Limited Preview" books for offline reading. They are best suited for technical users comfortable with command-line tools.
: A simple JavaScript-based method where you paste code directly into your browser's console to fetch pages as you scroll. Pros and Cons google-books-downloader/README.md at master - GitHub google books downloader github
: Unlike Python scripts, this is a JavaScript-based tool. You run it directly in your browser's console while viewing a book. It automatically scrolls through the preview and captures every loaded page. google-book-scraper Google Books downloaders on GitHub are generally open-source