zhko

Turn any dictionary lookup into an interactive vocabulary flashcard, instantly. Powered by the same FSRS algorithm as Anki, zhko makes it easy to learn, review, and retain new words, all in one place.

Look up words with Chinese characters (simplified or traditional), phonetic readings, or English. zhko’s intelligent search engine understands exactly what you’re looking for.

Prioritize the most useful vocabulary with real-world frequency data, helping you focus your efforts where it counts. Generate flashcards in bulk from our high-quality frequency lists to kickstart your learning.

Track your learning with streaks, review stats, and calendar heatmaps. Stay motivated with retention graphs and vocabulary growth tracking, plus a leaderboard for friendly competition.

zhko clearly tags Mandarin words in all levels of the official HSK 3.0 curriculum (Levels 1-9), making it easy to track your progress and prepare for test day with confidence.

Go beyond definitions and learn how words are actually used in example sentences pulled from native sources with high-quality audio, and tap any sentence to instantly break it down word by word.

Paste any Chinese sentence into the search bar, and zhko automatically segments it into words, so you can study naturally without manual lookups.

zhko makes it easy for you to not just understand what words mean, but how they’re built. Break down compounds, idioms, and expressions to grasp the logic and structure of Chinese.