Chapter info (cover)#
This is called chapter info (some people would call this “cover”). This gives you information what chapter currently you reading on.
This applied to this formats
epub formats doesn’t create chapter info,
because obviously there is “Table of Contents” feature in EPUB (if an e-reader support it).
You can enable chapter info creation by giving
-ucc to the app
mangadex-dl "URL" -f pdf-volume --use-chapter-cover