LanguageTool is a complimentary online service for proofreading, designed to assist you in reviewing your text for grammatical and spelling errors across more than 30 languages. It comes equipped with a diverse set of functionalities suitable for both informal and formal contexts. These include an AI-powered grammar verification tool, a custom dictionary, text quality assessment capabilities, and more.
It features browser plugins compatible with Chrome, Edge, Firefox, Safari, and Opera, along with Office add-ins for Google Docs, Word, OpenOffice, and LibreOffice.
It also provides desktop applications for macOS and Windows, email add-ons supporting Gmail, Outlook, Apple Mail, and Thunderbird, and editing applications for iOS, macOS, and Windows.
Premium subscribers gain access to a paraphrasing tool, a meticulous mode for refined punctuation, and suggestions concerning style and typography. LanguageTool is utilized and trusted by organizations like BMW Group, Amazon, RingCentral, the European Union, Spiegel Magazine, Deutsche Presse-Agentur (dpa), Heise, Bertelsmann Stiftung, Schweizer Radio und Fernsehen (SRF), JetBrains, IP Australia, and Wirtschaftsuniversität Wien.
It is available for free, with a 20% discount offered for the Premium subscription.
Compatible with 30+ languages
Personalized dictionary feature
Text quality analysis
Requires Java 8 to run
Requires an account to use the rephrasing tool
Requires repasting to check entire documents

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