写中文 · 马上知道错在哪
Write Chinese.
See what to fix, and why.
Type a sentence in Chinese characters. You get a minimal correction, a plain-English explanation of the rule, pinyin and a translation. Built for HSK, IGCSE and IB learners and anyone learning Mandarin as a second language. For the full guide, worked examples and limits, see the Chinese grammar checker.
- 2,565HSK words with pinyin
- 550nouns with their measure word
- 60grammar & X vs Y guides
- Freeno sign-up
学习与工具Learn the rules behind the corrections
- HSK 3.0 exam guideDates, registration deadlines, official word counts and what changes from 13 December 2026.
- HSK vocabularyWord lists for HSK 1–6 with pinyin, meanings, Anki exports and what changes in HSK 3.0.
- Grammar & X vs Y了, 过, 把, 被, 的/地/得 and 20+ confusable word pairs, with the mistakes learners make.
- Measure wordsWhich classifier goes with which noun: 把 for chairs, 双 for shoes.
- Sentence structureWhere time, place and "how" go in a Chinese sentence.
- HSK writing practiceWrite sentences and short essays for HSK writing, and get them checked.
- Spot the mistake quizTest your eye on reviewed teaching error examples across HSK 1–4.
- Daily questionOne new grammar question a day. Build a streak and review what you got wrong.
- Pinyin & tone sandhiConvert characters to tone-marked pinyin and see spoken tone changes for 一, 不 and 3rd tones.
- HSK text analyzerPaste a Chinese passage to highlight every word by its HSK 1–6 level.
- Simplified ↔ TraditionalContext-aware script converter that explains one-to-many characters like 发, 后, 里 and 面.