I have used squeebook before, and yes, it's great. But it is only useful for the times you have a couple of fics to convert. It would take a massive amount of time ad work to get all my old files copy/pasted. Some of them are over five years old, and some authors have been really prolific, with 40-50 fics in a single fandom. Others are fics written years ago, just as numerous, but recently downloaded, with the problem of additional metadata inserted by the downloader.