These settings run automatically whenever you use the app.
Backup & Restore
Export your words and books as a JSON file to keep a backup, or restore from a previous one.
Danger Zone
This will permanently remove all words and their lookup histories. You will lose all lookup counts, sentences, and revision progress. This may affect revision features. This cannot be undone.
This will permanently remove all books. Words saved from those books will remain in your history but will no longer be linked to a book. This cannot be undone.