Shogo Makishima tools
Flashcards
Add your own cards. Review only what is due today.
Due today
0
Add a card
Add many at once
How it works
Cards sit in 5 boxes. A card you know moves up one box and comes back later: after 2, 4, 8 and then 16 days. A card you miss goes back to box 1 and comes back tomorrow. This is the Leitner system.
Your data
Saved only in this browser. No login, nothing uploaded. Clearing browser data deletes it, so download a backup now and then.