Free grammar checker
Check grammar, spelling, punctuation and style in seconds. Paste your text, click “Check grammar” and fix each mistake in one click. No sign-up required.
Paste your text and click “Check grammar”. Each issue is underlined by category: grammar, spelling, punctuation or style.
- Grammar
- Spelling
- Punctuation
- Style
Free to use. Your text is checked and not stored.
- No sign-up required
- Free up to 10,000 characters
- 14 languages, 6 English variants
What the grammar checker checks
Every issue is underlined in the colour of its category, with a short explanation and suggested fixes. Here is what each category covers.
Grammar
Subject-verb agreement, verb forms, articles like a and an, and words that are easy to mix up in a sentence.
Incorrect:
They has a lot of homework.Correct: They have a lot of homework.Spelling
Typos and misspelled words, judged against the English variant you pick, so colour and color are both right in the right place.
Incorrect:
I recieved your message.Correct: I received your message.Punctuation
Commas, apostrophes, quotation marks and spacing, such as a stray space before a comma or a missing space after a full stop.
Incorrect:
We left early , but it rained.Correct: We left early, but it rained.Word choice and style
Repeated words, wordy phrases and capitalization, like a lowercase i or a sentence that starts without a capital letter.
Incorrect:
i think the the plan works.Correct: I think the plan works.
How to check your grammar in 3 steps
Paste or type your text
Add an essay, email, cover letter or article, up to 10,000 characters. Pick your language or English variant.
Click “Check grammar”
Issues are underlined by category: grammar, spelling, punctuation and style. Short texts re-check when you pause typing.
Fix in one click
Click a suggestion to replace the word, ignore it, or fix every issue in a category at once.
A free grammar checker that shows its work
Also works as a spell checker and a punctuation checker: filter the results to the category you care about.
No sign-up required
Check up to 10,000 characters at a time for free, with no account and no card. Sign in to the web app to check up to 50,000.
One-click fixes
Each suggestion shows up to five replacements. Click one to apply it, or use “Fix all spelling” to clear a whole category.
Filter by category
See every issue, or only grammar, spelling, punctuation or style, with a count for each so you know where to start.
14 languages, 6 kinds of English
US, UK, Australian, Canadian, New Zealand and South African English, plus Dutch, French, German, Italian, Polish, Portuguese, Romanian and Spanish.
Your words, your choices
Nothing changes until you click a fix. It is a rule-based checker, not an AI rewriter, so your voice stays yours.
Private by default
Your text is checked and the suggestions come back to your browser. The text itself isn’t stored.
Built for the way you write
Students
Catch the agreement errors, typos and comma slips in essays and assignments before you hand them in.
Professionals
Send emails, reports, cover letters and resumes without the small mistakes that distract readers.
Writers and bloggers
Clear the mechanical errors fast, then spend your editing time on structure and flow.
Non-native speakers
Every suggestion comes with a short explanation, in the English variant you write in.
More tools to help you write with confidence
- Punctuation checker Check commas, apostrophes, colons and quotation marks only.
- Plagiarism checker Scan finished writing for copied or closely paraphrased text.
- AI detector See which sentences read as AI-written.
- Citation generator Build APA, MLA and Chicago citations for your sources.
Writing guides: How to avoid plagiarism · What is plagiarism? · How to cite ChatGPT
Grammar checker questions
Fix your grammar in seconds
Free, no sign-up, one-click fixes for up to 10,000 characters.