@DannyHattan came up with this fantastic explainer for importing your Goodreads stacks into Litsy.
1. On your browser open Goodreads, in the “My Books” page and on the bottom left in tools there‘s a “Import/Export” tab,click it.
2. At the top hit “Export Library”, it will download into your computers Download folder.
3. Head to https://www.litsy.com/ , in your profile under “Setting/Import”, drag your file into the import section.
4. Job done.