Deck Trainer

Whether you're learning a language or studying for an exam, memorize it with spaced-repetition flashcards - right in your browser.

Import your own decks or build new ones, review due cards on a proven schedule, share a deck with a link, and track your study activity over time.

Free to use · No installation required

Deck list with due-card counts and recent activity
Your decks at a glance
Reviewing a flashcard with Again, Hard, and Easy rating buttons
Review with instant feedback
Sharing a deck via a generated link
Share a deck with a link
Activity heatmap showing recent study days
Track your progress
  1. 1

    Add or import a deck

    Build cards yourself, or import an existing deck (.deck-trainer or CSV).

  2. 2

    Review your due cards

    See the front, try to recall it, then reveal and rate yourself.

  3. 3

    Track your progress

    Cards you know well come back less often; tricky ones sooner.