Portuguese Grammar Checker

Correct your spelling, grammar, and punctuation in Portuguese, and over 30 other languages—for free.

Made with ♥ in Germany

Spain, France, UK, the Netherlands and more

Best-rated grammar checker for Microsoft Edge

Over 1 million users trust LanguageTool with their writing

Most popular writing add-on for Opera
Most popular writing add-on for Yandex
1,250+ Firefox add-on reviews

Top-rated grammar checker for Firefox with over 1 million users

Best-rated grammar checker for Safari

Over 4 million users trust LanguageTool with their writing

10,000+ Chrome Store reviews

Top-rated grammar checker for Chrome with over 3 million users

Try the LanguageTool Editor for a Better Writing Experience

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Correct Spelling

Do you fall victim to typos and misspellings way too often? LanguageTool finds every mistake and underlines it in red. Spell every name, phrase, and word the write… eh, the right way!

Correct Spelling

Check Grammar

Grammar rules have never been so easy! LanguageTool will help rid your writing of all grammar gaffes, like incorrect subject-verb-agreement, wrong plural forms, or misuse of grammatical forms.

Check Grammar

Fix Punctuation

Commas and dashes and hyphens… Proper punctuation can be tricky—LanguageTool ensures you’re using them right. It can even help you form complex sentences and tell you when you’ve used too many exclamation points!

Fix Punctuation

Confirm Casing

It’s all about the capital, right? And the lowercase letters, too. LanguageTool corrects incorrect casing, whether you’re writing capitalized names, months, places, or national identities.

Confirm Casing

Improve Style

LanguageTool helps your writing be as stylish as you are by detecting overused phrases, foreign terms, redundant words, and improper word choice. All you have to do to find the best style is look out for the blue underline.

Improve Style

Works With All Your Favorite Services

LanguageTool works in your browser and many other tools you use to write your texts. Install it today and get grammar as well as style suggestions wherever you write.

What else?

Frequently Asked Questions

Make your text sound professional and avoid embarrassing style, punctuation, and grammar mistakes

Does LanguageTool only include spelling correction?

LanguageTool corrects spelling mistakes, but it also offers a full writing analysis of all possible texts. In addition to spelling, grammar, and word choice, language style is also corrected. Plus, it serves as a punctuation checker to ensure your writing is flawless.

How well does LanguageTool detect comma errors?

LanguageTool excels at identifying and correcting punctuation errors, including commas. Its punctuation checker can differentiate between optional and required commas, ensuring your writing is polished. Plus, it can handle even the most complex sentence structures with its advanced comma check.

How does error detection and correction by LanguageTool work?

The error display and suggestion cards are shown automatically and directly while typing. This means that texts can be checked and corrected in just a few moments. To see synonyms, simply double-click on any word.

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Which languages can be checked with LanguageTool?

LanguageTool masters more than 30 languages and dialects. Its main languages are English, Spanish, German, French, Dutch, and Portuguese. In its English version, you can choose between six standard varieties (US, UK, Canada, Australia, New Zealand, and South Africa).

Is LanguageTool free?

LanguageTool is available in two versions. The free version corrects spelling as well as simple punctuation and some style mistakes. Only the Premium version will show you all errors and give you the best possible text. Team accounts for companies are also available.

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Does LanguageTool work on my program?

LanguageTool is not bound to a specific program or website. There are several extensions and add-ons available, so it can be used in all common internet browsers. In addition, you can find a dedicated text editor as an app for iOS, macOS (Apple), and Windows. All you need is just one user account.

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Is LanguageTool suitable for paraphrasing sentences?

LanguageTool now offers an A.I.-based paraphraser in addition to correction. This can help you to rewrite entire sentences to make them simpler, shorter, or more formal.

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Can LanguageTool help me correct a bachelor or master thesis?

If you have to write a term paper, bachelor thesis or master thesis at a university, LanguageTool can help you to be sure that it is free of errors. The writing assistant’s style check is also particularly helpful for other academic texts in schools or at publishing houses. By the way, students get a discount for LanguageTool.

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