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LanguageTool

Freemium
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AI-powered multilingual grammar, spelling, punctuation, style, and paraphrasing checker

网站：https://languagetool.org/
收录时间：2026年7月13日
月访问量：
6.7M
社交与联系：
grammar checkerspell checkerAI writing assistantparaphrasing toolmultilingualbrowser extension
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LanguageTool
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工具信息

什么是 LanguageTool？

LanguageTool is an AI-based writing assistant that detects and corrects grammar, spelling, punctuation, casing, and style issues while offering paraphrasing suggestions. It works across more than 30 languages with automatic language detection and is available via a web editor, browser add-ons, desktop apps, and office or email integrations.

核心功能

  • AI Grammar and Spell Checker

    AI-based tool that checks text for grammatical errors, spelling mistakes, punctuation, casing, and style improvements.

  • Paraphrasing Tool

    Allows users to paraphrase any sentence according to their preferences, with unlimited paraphrasing available in Premium.

  • Browser Add-ons

    Extensions for Chrome, Edge, Firefox, Safari, and Opera that provide writing suggestions while typing emails, blog posts, or tweets on the web without storing text.

  • LanguageTool Editor

    Web-based distraction-free writing environment with personal dictionary, statistics, secure text storage, Picky Mode for advanced suggestions, and dark/light themes.

  • Desktop Apps

    Grammar, spell, and style checker applications for Windows and macOS.

  • Office and Email Integrations

    Plugins and add-ons for Google Docs, Microsoft Word, Apple Pages, LibreOffice, Gmail, Outlook, Apple Mail, and Thunderbird.

  • Multilingual Support

    Automatically detects and checks writing in over 30 languages as an international writing tool.

  • Business and API Solutions

    GDPR-conform tools for organizations to ensure error-free communication and consistent brand voice, plus a Proofreading API.

使用场景

  • #1

    Everyday web writing

    Receive real-time tips to improve emails, blog posts, tweets, or other online text while typing.

  • #2

    Professional and organizational writing

    Support error-free communication and brand voice consistency for teams and companies.

  • #3

    Multilingual content creation

    Check and enhance writing across multiple languages with automatic language detection.

  • #4

    Style and paraphrasing refinement

    Improve tone, style, advanced punctuation, typography, and rephrase sentences for better expression.

适用人群：Individual writers and online usersOrganizations and businessesMultilingual writersUsers of browsers, office suites, and email clients

定价方案

Free account and basic grammar/spell checking available; Premium unlocks unlimited paraphrasing, advanced suggestions, Picky Mode, and more, with limited-time discounts advertised.

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常见问题

What is LanguageTool?
LanguageTool is an AI-powered multilingual grammar, spelling, punctuation, style, and paraphrasing checker available through a web editor, browser add-ons, desktop apps, and various office and email integrations.
How many languages does LanguageTool support?
LanguageTool automatically detects and checks writing in over 30 languages.
Is LanguageTool free to use?
LanguageTool offers a freemium model. A free account provides basic grammar and spell checking, while Premium unlocks unlimited paraphrasing, advanced suggestions, Picky Mode, and more.
Does the LanguageTool browser add-on store my text?
No. To respect privacy, no text is stored by the browser add-on.
Where can I use LanguageTool?
LanguageTool works on the web, as browser add-ons for Chrome, Edge, Firefox, Safari, and Opera, as desktop apps for Windows and macOS, and through integrations with Google Docs, Microsoft Word, Apple Pages, LibreOffice, Gmail, Outlook, Apple Mail, Thunderbird, plus a Proofreading API.
What is Picky Mode in LanguageTool?
Picky Mode provides access to even more suggestions for advanced punctuation, style, and typography within the LanguageTool Editor.

LanguageTool 联系方式与社交媒体

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工具信息

定价模式Freemium
分类检测工具
二级分类
grammar checkerspell checkerAI writing assistantparaphrasing toolmultilingualbrowser extension
语言英语
最后更新2026年7月16日
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