Choose an HSK deck
Free starts with Level 1 in either curriculum. Pro unlocks every HSK 2.0 and 3.0 level.
Spaced repetition
Flashcard review
Review saved characters with confidence-based recall controls.
- HSK 2.0 and 3.0 decks
- Four confidence ratings
- Scheduling saved on this device
20 due now · 0 studied1 / 20
Free includes 20 daily reviews from HSK Level 1.See Pro access options
20 flashcard reviews left todayUnlock unlimited
How this tool works1 2 3
Use flashcards with a clear learning goal
Review HSK vocabulary with active-recall flashcards and a lightweight spaced schedule stored in the browser. Reveal the reading and meaning, then rate the effort so harder cards return sooner.
Recall before revealing
Say the reading and meaning from memory, then tap the card to check.
Rate the effort
Choose Again, Hard, Good, or Easy to schedule the next review.
When to use it
Daily review
Work through the cards due now instead of rereading an entire word list.
Exam preparation
Keep HSK versions and levels separate while reviewing a target syllabus.
Pronunciation checks
Play Mandarin audio after attempting the reading yourself.
Questions about flashcards
What do the four ratings change?
Again returns the card quickly, while Hard, Good, and Easy use progressively longer intervals.
Where is the schedule stored?
The current review schedule is stored in this browser.
Can I switch HSK versions?
Yes. Level 1 is included with Free in both versions; Pro unlocks every higher level and keeps their schedules separate.