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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 Google spell checker cannot detect.
LanguageTooler GmbH
397,630 users
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Overview
★ Finds many errors that Google'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
November 13, 2019
It points out so much it catches things that I purposely did xD Love it
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A User of Grammar and Spell Checker - LanguageTool
November 13, 2019
helped a lot
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A User of Grammar and Spell Checker - LanguageTool
November 12, 2019
i use it at school and it helps a lot
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A user of Grammar and Spell Checker - LanguageTool
November 12, 2019
epic app
A user of Grammar and Spell Checker - LanguageTool
November 12, 2019
yea
A user of Grammar and Spell Checker - LanguageTool
November 12, 2019
i know right
A User of Grammar and Spell Checker - LanguageTool
November 12, 2019
Excellent
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A User of Grammar and Spell Checker - LanguageTool
November 12, 2019
it is amazing. also i have to pee.
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A User of Grammar and Spell Checker - LanguageTool
November 12, 2019
Very helpful and useful. Great quality for a free app. Excellent!
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A User of Grammar and Spell Checker - LanguageTool
November 11, 2019
I use the free version, and I'm sure the paid version is even better, but the free version catches a lot of mistakes that I make just fine.
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A User of Grammar and Spell Checker - LanguageTool
November 11, 2019
It is very accurate and fast, Love it!
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A User of Grammar and Spell Checker - LanguageTool
November 10, 2019
So helpful with writing stuff for school.
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A User of Grammar and Spell Checker - LanguageTool
November 10, 2019
Fácil de usar. Muy bueno.
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