Grammar & Spell Checker — LanguageTool

Category: Proofreading and Editing tool

Find many faults that a basic spell checker cannot find while checking your documents for spelling and grammar issues online. There’s no need to register includes support for more than 25 languages (see list below) works on practically any website, including Facebook, Twitter, and Gmail.

By using LanguageTool’s grammar and style checker, this addon, which is free, makes sure your writing is flawless. Grammar mistakes, words that are often misinterpreted, and punctuation faults are just a few of the flaws that LanguageTool can find that a simple spell checker cannot. Additionally, LanguageTool provides style recommendations to improve your writing, such as formal substitutions for everyday idioms, concise rephrasings of wordy sentences, and synonyms for overused words.

With quick text analysis as you type, LanguageTool was created with simplicity in mind. The majority of platforms are compatible with it, including email services like Gmail and social networks like Twitter and LinkedIn.

With LanguageTool, we hope to give users access to a fully functional grammar and content checker, allowing them to be in charge and sure of their writing. Even though LanguageTool is an essential addition for non-native speakers, it also picks up on many errors that native speakers make frequently. It can differentiate between American and British English and correct grammar and spelling in a number of regularly spoken languages. Exceptions or terms that you might frequently use but are not included in a standard dictionary can also be added to LanguageTool’s personal lexicon, which will train the program to identify them for future grammatical checks and proofreading.

LanguageTool supports more than 25 languages, including English, Spanish, French, German, Polish, and Russian, unlike other services like Grammarly (a.k.a. Grammerly:-), QuillBot, and Ginger (see below for the complete list).

We care deeply about your right to privacy: By default, this extension will translate your text by transmitting it securely encrypted over the internet to This addon can be used without creating an account. Your IP address isn’t kept by us. Our privacy statement can be found at

Please contact with any bug reports or inquiries.

The following languages are supported: English (Australian, Canadian, British, GB, New Zealand, South African, US), French, German (Austria, Germany, Swiss), Asturian, Belarusian, Breton, Catalan (also Valencian), Chinese, Danish, Dutch, Esperanto, Galician, Greek, Italian, Japanese, Khmer, Persian, Polish, Portuguese (Brazil, Portugal, Angola, Mozambique), Romanian, Russian, Slovak, Slovenia

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Grammar & Spell Checker — LanguageTool reviews

its more than perfect, nothing to complain

- Hesam Hojati

The insistance on colonial (american) spelling is tiresome. i set it to British but it keeps asking if i want to use other spelling... Annoying !

- Jonathan Webb

This is much better than Grammarly. I don't even have the paid version for this and it's still so much better. The price for this one's premium is much lower than grammarly's so props to the people who made this for trying to help the community out!!!!

- gangyu (gangnyu)

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