LanguageTool

LanguageTool is a free online proofreading service that helps you check your text for grammar and spelling mistakes in over 30 languages. It offers a wide range of features for both casual and professional use, such as an AI-based grammar checker, a personal dictionary, quality scoring for texts, and more.
It includes browser add-ons for Chrome, Edge, Firefox, Safari, and Opera, as well as Office plugins for Google Docs, Word, OpenOffice, and LibreOffice.
It also offers desktop apps for macOS and Windows, E-Mail add-ons for Gmail, Outlook, Apple Mail, and Thunderbird, and Editor Apps for iOS, macOS, and Windows.
Premium users also have access to a rephrasing tool, Picky Mode for advanced punctuation, and style, and typography suggestions. LanguageTool is trusted by organizations such as BMW Group, Amazon, RingCentral, European Union, Spiegel Magazine, Deutsche Presse-Agentur (dpa), Heise, Bertelsmann Stiftung, Schweizer Radio und Fernsehen (SRF), JetBrains, IP Australia, and Wirtschaftsuniversität Wien.
It is free to use and also offers a 20% discount for its Premium version.
Releases
Pricing
Prompts & Results
Add your own prompts and outputs to help others understand how to use this AI.
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72,811513v2.5 released 1mo agoFrom $500/mo
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Build smarter AI voice agents with the best speech recognition technologyOpen22,55022Released 1mo agoFree + from $0.24
Pros and Cons
Pros
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Cons
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Included in lists
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Q&A
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1,74763Released 2mo agoFree + from $10/moTotal game changer. I’ve been using it for about two weeks now, and honestly, I don’t think I need my copywriter or editor anymore. I usually use a mix of Perplexity Claude ChatGPT to generate content for my sites. But no matter how advanced my prompts are, the output often still gets flagged as AI generated by tools like Originality or ZeroGPP.. and it still reads a bit synthetic. After running the content through Humantone, though, it actually sounds like something a real person wrote. Clean, natural, quality. I still make a few light edits here and there, but man… it saves a ridiculous amount of time.
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