Free Grammar Checker
Paste your text to find grammar, spelling, punctuation and style mistakes — then fix them with one click.
Text is checked securely by the open-source LanguageTool engine and is not stored.
How to use the Grammar Checker
Paste your text
Emails, essays, blog posts — up to 20,000 characters.
Check it
Mistakes are underlined by type.
Fix with one click
Accept suggestions one by one or all at once.
Why use our Grammar Checker?
Grammar & spelling
Catches typos, wrong words and grammar errors.
Punctuation
Commas, apostrophes, spacing and capitalization.
Style tips
Wordy phrases, repetition and passive voice hints.
20+ languages
English (US, UK, AU, CA), Spanish, French, German and more.
Writing score
Score, readability and reading time.
Fix all
Apply every suggestion in one click.
Frequently asked questions
Everything you need to know about the Grammar Checker.
Back to the toolIs this grammar checker free?
Yes. You can check up to 20,000 characters at a time with no sign up.
Which languages are supported?
English (American, British, Australian, Canadian and more), Spanish, French, German, Portuguese, Italian, Dutch, Polish, Russian, Ukrainian, Arabic, Persian, Chinese and others. Auto-detect picks the language for you.
How does it work?
Your text is checked by the open-source LanguageTool engine, which uses thousands of grammar rules to find mistakes and suggest corrections.
Is my text stored?
No. Your text is sent securely for checking and is not saved or shared.
Can it replace a human proofreader?
It catches most common mistakes, but for important documents a final human read is still a good idea.
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