[JimmXinu]

Originally Posted by Tanjamuse

Is there anyway to change the identifier url from

http://www.fanfiction.net/s/12618034/1/Hell-Hotel

to

https://www.fanfiction.net/s/12618034/1/Hell-Hotel

without having to look through all the metadata? When I search for duplicates using the "Find Duplicates" plugin I almost only use the URL option and then I won't get the duplicates because of the difference in the url.

Use Calibre's Search and Replace in Edit metadata to change http://www.fanfiction.net to https://www.fanfiction.net. You should be able to find examples in the forums.