AI Grammar Checker
Detect and fix grammar, spelling, punctuation and style errors — with plain-English explanations for every correction, not just the fix.
Free · No credit card · 50 credits/day
What the grammar checker catches
Spelling errors
Catches typos, misspellings and homophone confusion (their/there/they're, affect/effect, its/it's).
Grammar rules
Subject-verb agreement, tense consistency, pronoun agreement, dangling modifiers, run-on sentences.
Punctuation
Comma splices, missing apostrophes, incorrect semicolon and colon use, misplaced quotation marks.
Style issues
Passive voice overuse, wordiness ("in order to" → "to"), redundancy, nominalizations.
ESL patterns
Article errors (a/an/the), preposition misuse, count vs. non-count nouns — common non-native English patterns.
Explanations for each
Every suggestion comes with a plain-English explanation — learn the rule, not just the correction.
Frequently asked questions
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