Free Grammar Checker Online
Write with confidence. Fix grammar mistakes, spelling errors, and punctuation issues instantly — no sign-up, no download.
How our Grammar Checker works
Grammar errors
Subject-verb agreement, article misuse (a vs an), fewer vs less, double negatives, and more.
Spelling mistakes
Catches common misspellings like "recieve", "definately", "seperate", and dozens more.
Punctuation issues
Repeated punctuation marks and extra spaces.
Style suggestions
Passive voice, redundant phrases ("free gift", "past history"), and informal words.
Steps to use the Grammar Checker
- Paste or type your text into the editor above.
- Underlined words indicate an issue — hover or click to see the suggestion.
- Click a suggestion button to apply the fix instantly.
- Use "Ignore" if the suggestion does not apply to your context.
- Copy the corrected text when done.
What our free grammar checker catches
Our online grammar checker scans your text in real time and underlines issues across four categories — grammar, spelling, punctuation, and style. Here is what each category covers.
Grammar errors
Subject-verb agreement ("he have" → "he has"), article misuse ("a apple" → "an apple"), fewer vs less, double negatives, who vs whom, and more.
Spelling mistakes
Catches 30+ common misspellings including "recieve", "definately", "seperate", "beleive", "occured", "accomodate", and many more.
Punctuation issues
Repeated punctuation marks (double commas, double semicolons) and extra whitespace between words.
Style suggestions
Passive voice, redundant phrases ("free gift", "past history", "end result"), and informal words like "till" in formal writing.
How to use the free grammar checker
- Paste or type your text into the editor. Suggestions appear instantly as you type.
- Review underlines — red for grammar, amber for spelling, blue for punctuation, purple for style.
- Click any underline or the sidebar card to see the explanation and fix options.
- Apply a fix with one click, or press Ignore to skip a suggestion.
- Check your score in the sidebar — 100 means no issues found.
- Copy the corrected text when you are done.
Why use a grammar checker?
Grammar mistakes undermine your credibility — in job applications, academic papers, emails, blog posts, and social content. A free grammar checker online acts as a second pair of eyes, catching errors you would otherwise miss after re-reading the same text multiple times.
Our grammar corrector works in your browser with zero latency. There is nothing to install and no account to create — paste your text and corrections appear immediately. It also flags style issues like passive voice and redundant phrases that most basic spell checkers overlook.