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Grammar and Spell Checker - LanguageTool
A style and grammar checker for English, German, French, Dutch, Spanish, Russian, and several other languages. It finds many errors that the Boogle spell checker cannot detect.
LanguageTooler GmbH
327,550 users
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Overview
★ Finds many errors that Boogle's spell checker cannot detect
★ No registration needed
★ Supports more than 25 languages (see below)

With this extension you can check text with the free style and grammar checker LanguageTool. LanguageTool finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word, and it can detect some grammar problems. It supports more than 25 languages, including English, German, Spanish, French, Dutch, Polish, and Russian.

With LanguageTool our aim is to give users a fully-featured grammar checker and proofreader that will enable them to have control and confidence over their content. While LanguageTool is a vital extension for non-native speakers; it’s also smart enough to recognize mistakes that native speakers commonly make and it will improve your writing overall. This grammar and spelling correction works across all variations of common language; distinguishing between U.S. and British English, for instance. LanguageTool also features a personal dictionary for exceptions or words that you might commonly use but that are not found in a conventional dictionary. 

Usage: Just click "Add-ons > LanguageTool > Check text" in the menu to start proofreading your document. The detected errors will be shown on the sidebar. Select an error and it will be highlighted in the text.

Unlike Grammarly and Ginger, LanguageTool works for many languages.

Your privacy is important to us: By default, this extension will check your text by sending it to https://languagetool.org over a securely encrypted connection. No account is needed to use this extension. We don't store the texts you check. In fact, we don't even store your IP address. See https://languagetool.org/privacy/ for our privacy policy.

List of supported languages: English (Australian, Canadian, 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, Slovenian, Spanish, Swedish, Tagalog, Tamil, Ukrainian
Reviews
A User of Grammar and Spell Checker - LanguageTool
October 23, 2019
This is really good, I am able to fix my mistakes for my MJ. But when I say certain words and names, it reads them as mistakes. Other than that, it's a pretty good add-on. But I really want to have underlines underneath the sentence or word.
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A User of Grammar and Spell Checker - LanguageTool
October 22, 2019
It's really good. It was able to fix lots of mistakes, but a problem just pops up. It says that the word who should be whom, but Grammarly says whom should be who. Also, another problem is how is the name of a person: Hao, incorrect and the correct word is Hao with a mark on the letter a.
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A User of Grammar and Spell Checker - LanguageTool
October 22, 2019
Good. im not a bot lol.
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A User of Grammar and Spell Checker - LanguageTool
October 22, 2019
it dosnt know some words but other than that its good
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A User of Grammar and Spell Checker - LanguageTool
October 22, 2019
Great! Thanks
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A User of Grammar and Spell Checker - LanguageTool
October 22, 2019
Really nice and effective!!
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A User of Grammar and Spell Checker - LanguageTool
October 21, 2019
I got a 100 percent on my project because of this app. Without no hesitation you should download it.
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A User of Grammar and Spell Checker - LanguageTool
October 21, 2019
loved it, helps with all my essays.
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A User of Grammar and Spell Checker - LanguageTool
October 21, 2019
I have found this add-on to be very helpful with my paper. I am writing an essay in my English class and this has really helped me improve my writing!
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A User of Grammar and Spell Checker - LanguageTool
October 21, 2019
It works generally well but does not understand things like google docs does. I prefer using google docs over this spell check.
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