Convert ebook From fb2 to htmlz

FB2 file is a FictionBook 2.0 file saved in an eBook format developed in Russia. It contains XML that describes each element of the book and is designed primarily for fictional literature. FB2 files can be viewed by various eBook readers for Windows, macOS, and Linux. Information from <a href='https://fileinfo.com'>FileInfo - The File Extensions Database</a>.

File that contains an eBook saved in the HTMLZ format, which is a .ZIP file with the ".htmlz" extension; contains multiple files, including .HTML files, images, and a metadata.opf (.OPF) file; used for packaging eBook content into a single archive. Information from <a href='https://fileinfo.com'>FileInfo - The File Extensions Database</a>.