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Free online tool

Free Grammar Checker

Paste your text to find grammar, spelling, punctuation and style mistakes — then fix them with one click.

Your text

Text is checked securely by the open-source LanguageTool engine and is not stored.

How it works

How to use the Grammar Checker

01

Paste your text

Emails, essays, blog posts — up to 20,000 characters.

02

Check it

Mistakes are underlined by type.

03

Fix with one click

Accept suggestions one by one or all at once.

Features

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.

FAQ

Frequently asked questions

Everything you need to know about the Grammar Checker.

Back to the tool

Is 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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