LanguageTool

LanguageTool is an AI-powered writing assistant designed to improve grammar, spelling, style, and clarity across multiple languages. It supports more than 30 languages and dialects, making it suitable for multilingual users and international teams. The tool detects common and advanced issues, including punctuation mistakes, incorrect verb forms, word confusion, agreement errors, and inconsistent capitalization. Beyond basic proofreading, LanguageTool offers style suggestions to enhance readability, tone, and conciseness, helping users adapt their writing for formal documents, academic work, business communication, or casual content.

LanguageTool integrates with major platforms and applications, including browsers, word processors, email clients, and productivity tools, enabling real-time feedback as users write. It also provides a web editor and desktop applications for more focused editing sessions. For professional and organizational use, LanguageTool offers customizable rules, team dictionaries, and suggestions that align with brand or editorial guidelines. Users can define preferred terminology and exclude specific phrases from being flagged as errors.