FB2をEPUBに変換
FB2は専用のFictionBookアプリ以外では対応がまちまちです。EPUBに変換すれば、ほぼすべてのリーダーで同じ書籍を開けます。
変換元
To
FB2
FictionBook — an open, XML-based ebook format especially popular in Eastern Europe and well supported by reading apps.
EPUB
The open ebook standard used by most readers and stores. Text reflows to fit any screen size.