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Free Chinese Grammar Checker

Check Chinese spelling, grammar and punctuation free. Every issue underlined where it happens, with the reason attached.

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Chinese grammar checker

Chinese grammar checked with the reason attached

Paste Chinese and every issue is underlined where it happens, labelled spelling, grammar, punctuation or style, with the reason attached. Chinese is written in simplified Chinese characters, and measure words, 的 地 得, aspect particles, full-width punctuation are what a checker has to get right in it. This one shows the rule each time, not just the change, so you can accept the fix, ignore it, or learn from it.

How to check Chinese grammar

Three steps. The third is the one most checkers leave out.

1

Paste or upload the Chinese

Type, paste or drop in a document. Chinese is already selected as the language on this page; the menu above the editor also offers the variants described below. If the text turns out to be something else, the detector says so and you can change it.

2

Read the flags

Every flag is underlined in the text and listed beside it. Spelling and grammar flags are errors; punctuation and style flags are judgements, and the label tells you which is which before you decide.

3

Accept, ignore or read why

Click a flag to see the fix and the rule behind it, then accept it or ignore it. Chinese has rules that speech does not reveal, and the reason is there so the same error is not made twice.

What the checker looks at in Chinese

The parts of Chinese grammar and spelling where a checker has to know the language, not just the words.

  • AgreementChinese has no gender, number, case or agreement. Nouns take a measure word after a number (一本书, 三个人, 两辆车), and the choice of measure word is the noun’s, not the writer’s. Word order is fixed and does most of the grammar.
  • VerbsVerbs do not conjugate; aspect comes from particles (了 completion, 过 experience, 着 ongoing) and time from adverbs. Misplaced 了, doubled 了, and 了 used where English uses a past tense are the errors non-native writers make; native writers misuse 的, 地 and 得.
  • Spelling and diacriticsNo diacritics in Chinese text; pinyin with tone marks is an input method, not the written language. The spelling errors are the wrong character with the same or a similar sound (再 against 在, 做 against 作, 那 against 哪) from a conversion candidate, and a simplified character in a traditional text or the reverse.
  • PunctuationChinese uses full-width punctuation: the full stop 。, the enumeration comma 、 between items in a list, the comma ,, and the corner brackets 「」 (traditional) or double quotes “” (simplified). Latin punctuation in Chinese text is an error the checker flags, and there are no spaces between words.
  • Capital lettersNo capital letters. Proper nouns are unmarked; the book-title mark 《》 encloses titles of works.

Common mistakes in Chinese writing

Five errors Chinese readers notice at once, and what the checker does with each.

的, 地 or 得

的 links a modifier to a noun (漂亮的花), 地 links an adverbial to a verb (慢慢地走), 得 links a verb to its complement (跑得快). All three are pronounced de, and the grammar decides.

Wrong measure word

一本书, 一张纸, 一辆车, 一位老师: the measure word belongs to the noun. 一个书 is a marked error.

再 or 在

在 marks location or an ongoing action (在家, 在看书); 再 means again or then (再见, 再说). Same sound, different characters.

了 in the wrong place

我昨天去了北京 (completed action) but 我昨天没去北京 (no 了 after 没). Two 了 in one clause, or 了 after every past verb, marks a non-native text.

Latin punctuation in Chinese text

A half-width comma or full stop, or a list joined by commas instead of the enumeration comma 、, is flagged. Chinese punctuation is full-width and its own set.

Formal and informal Chinese

Formal written Chinese (书面语) uses vocabulary and constructions that speech does not (贵公司, 敬请, 您 for you); the polite second person 您 and the letter conventions carry respect. A formal text with spoken fillers or internet shorthand is flagged as register.

The checker flags a mixed register as style rather than as an error, so the decision stays yours. If a whole text needs to move from one register to the other, the tone changer rewrites it in one pass.

Who checks Chinese here

1

Students in China, Taiwan and Singapore writing essays and applications, and international students writing Chinese theses.

2

Companies writing to Chinese customers and partners in formal written Chinese.

3

Learners at HSK 4 and above who want 的地得 and the measure word explained rather than replaced.

Chinese grammar checker FAQs

Is the Chinese grammar checker free?

Yes. Check Chinese without an account, within the per-check and daily word allowances shown beside the editor. Signing in raises them, and Pro removes the guest limits and the ads. The pricing page lists what each plan includes.

Which Chinese does it check?

The picker has Chinese (Simplified) and Chinese (Traditional). Simplified characters are standard in mainland China and Singapore; Traditional in Taiwan, Hong Kong and Macau, with punctuation and some vocabulary of their own. Mixing the two character sets in one text is flagged. Chinese is preselected on this page; change the language menu above the editor if the text is a different variant.

Does it correct Chinese spelling as well as grammar?

Yes, and in Chinese the two overlap. Homophone substitution is the main error, especially the 的/地/得 triple (all de), 再/在, 做/作, 象/像, and the 那/哪 pair; the enumeration comma 、 replaced with an ordinary comma, and a measure word dropped or wrong, are the next most common. Each of these is underlined where it happens, labelled spelling or grammar, with the standard form and the rule beside it.

Will it rewrite my Chinese?

Not unless you ask it to. A check corrects what is wrong and leaves your sentences as you wrote them; every change is a separate flag you accept or ignore. The Improve and Rewrite passes, which do change wording, are separate buttons, and the paraphraser is a separate tool.

Can I check a whole Chinese document?

Yes. Paste the text or drop in a .docx, .pdf or .txt file; the document is checked paragraph by paragraph and the corrected version can be copied or exported. Long documents are checked within the per-check allowance and continue as you scroll.

Is it useful if I am learning Chinese?

That is where the reason attached to each flag earns its keep. Chinese has no gender, number, case or agreement. A learner sees which rule was broken, not just the corrected word, and can accept the fix or read why it was raised before deciding.

After the check

Translate the corrected Chinese, change its tone, or shorten it. One plan covers every tool.