LanguageTool

Overview

LanguageTool is an AI text checking tool for multilingual writing scenarios, mainly used to identify and correct issues with spelling, grammar, punctuation, wording, and language style. It supports more than 30 languages and dialects, making it suitable for everyday writing, academic revision, email polishing, business document proofreading, and multilingual content review.

Compared with traditional spell checkers, LanguageTool not only focuses on basic errors, but also provides deeper expression suggestions to help users improve the accuracy, clarity, and professionalism of their text. Its official website positions it as a writing assistance tool that is “more than just a grammar checker” and offers AI-based sentence rewriting capabilities.

Key Features

• Grammar and spelling check

  • Detects grammar errors, spelling mistakes, and common punctuation issues in text
  • Supports real-time checking while typing, and also allows users to paste entire passages directly for analysis

• Multilingual support

  • Supports more than 30 languages and dialects
  • Suitable for cross-language writing, post-translation proofreading, and internationalized content review

• Style and wording suggestions

  • Identifies unnatural expressions, inappropriate word choices, and some style issues
  • Helps make text clearer and more suitable for formal or professional contexts

• AI sentence rewriting

  • Can rewrite sentences, adjusting them into more concise, shorter, or more formal expressions
  • Suitable for optimizing wording in emails, papers, blogs, and business texts

• Writing editor

  • Provides a dedicated editor for a more focused writing experience
  • Allows users to view writing statistics to help manage text quality

• Personal dictionary

  • Supports custom vocabulary, reducing repeated flagging of specific terms or proper nouns

• Advanced checking mode

  • Offers “Picky Mode” for more advanced suggestions on punctuation, style, and formatting

• Text storage

  • The official website mentions that text can be securely stored for continued editing and content management within an account

Pricing

According to information captured from the official website, LanguageTool offers a free version that can be used directly for grammar, spelling, and punctuation checks.

• Free version

  • Provides basic grammar checking and writing assistance features

• Advanced version / Premium

  • The official website shows that a paid Premium plan exists
  • Provides more advanced suggestions, especially enhanced features for punctuation, style, and formatting
  • The captured information does not provide specific pricing; actual fees are subject to the official website

FAQ

• Who is LanguageTool suitable for?
  It is suitable for students, professionals, content creators, researchers, and users who need multilingual writing and proofreading.

• Which languages does it support?
  The official website states that it supports more than 30 languages and dialects, covering a variety of common writing scenarios.

• Can it only check English?
  No. One of LanguageTool's core features is multilingual support, so it is not limited to English text.

• Does it provide AI rewriting features?
  Yes. In addition to error correction, it also supports AI-based sentence rewriting for optimizing expression.

• Is there a free version?
  Yes. The official website clearly provides a free grammar checking service, and there is also a paid Premium version.