Free tools
English
Flashcards and spaced repetition
Paste two columns from Excel or Google Sheets, or import CSV/TSV to build your own decks. Flip cards, type answers and study in reverse in one place. FSRS schedules reviews and saves progress in this browser. Start without an account and transfer progress with a backup file.
No account needed
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How to use
- 1Import material, select question and answer columns, preview and add to a deck.
- 2Choose due reviews, all cards or weak cards. Reveal the answer and rate recall to schedule the next review.
- 3Back up cards, schedules in both directions and history together. CSV exports vocabulary only, without progress.
Good to know
Material and progress stay in this browser. Download a progress backup before clearing site data or changing devices. There is no automatic device sync.
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