Sleazy Fork is available in English.
Load all favorites to the page and save it, export as JSON data or just copy the textbox contents. Works on exhentai and e-hentai.
< Sadpanda Save/Export All Favoritesについてのフィードバック
This script only supports saving/exporting favorites.
I am not planning on supporting imports.
is this script still working? i have issues with importing galleries(favs) i can get the file.txt exports, but it those files throw an error when trying to import them