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Home/AI Tools/LanguageTool
🤖

LanguageTool

Hands-on tested · Updated 2026

WritingFreemium
★★★★☆
4.2(880 reviews)

💰Bottom Line Price

Official PricingFreemium

Paid only - check the pricing analysis below to decide if it fits your budget.

Editor Score Card

Overall4.2/5
Value for MoneyFair
Ease of UseModerate
Data PortabilityVaries
Lock-in RiskLow

Where it falls short

Limited features in free version

Visit Website →
Read full review▼

LanguageTool is an open-source multilingual grammar checker designed to enhance the quality of writing. The following is a deep review of the tool. Overview and Background: LanguageTool is an open-source grammar checking tool that supports spelling and grammar correction in over 30 languages. It is developed by a group of volunteers and aims to provide free and high-quality writing assistance tools for users. Core Function Details: 1. Multilingual Support: LanguageTool supports over 30 languages, including Chinese, meeting the needs of...

LanguageTool is an open-source multilingual grammar checker designed to enhance the quality of writing. The following is a deep review of the tool. Overview and Background: LanguageTool is an open-source grammar checking tool that supports spelling and grammar correction in over 30 languages. It is developed by a group of volunteers and aims to provide free and high-quality writing assistance tools for users. Core Function Details: 1. Multilingual Support: LanguageTool supports over 30 languages, including Chinese, meeting the needs of diverse users. 2. Grammar Correction: The tool can detect and correct grammar errors, helping users improve the quality of their writing. 3. Spelling Check: LanguageTool also checks for spelling errors, ensuring the accuracy of the text. Actual Usage Experience Analysis: Based on user feedback, LanguageTool has a simple and user-friendly interface with a high accuracy rate in error correction. However, some users have reported that the tool may produce false positives when dealing with complex sentences. Additionally, the free version has limited features, with advanced features requiring a paid subscription. Pricing Value Analysis: LanguageTool offers both a free version and a paid version. The free version meets the basic needs of daily writing, but the paid version provides more advanced features, such as custom dictionaries and more precise grammar checking. For users who need advanced features, the paid version offers better value for money. Suitable Audience and Scenarios: LanguageTool is suitable for all users who need to improve the quality of their writing, including students, teachers, editors, and content creators. It is applicable to various writing scenarios, such as academic papers, business reports, blog articles, etc. Summary and Recommendations: Recommend LanguageTool to all users who need to improve the quality of their writing. The free version is sufficient for most users, but the paid version is a better choice for those who need advanced features.
Try & Setup Guide▼
📋

Complete Setup Guide

From registration to actual use - step by step

1

Visit LanguageTool Website

Open LanguageTool website. Free version supports basic grammar checking; browser extension and multi-platform support available.

Visit LanguageTool

Browser extension supports Chrome, Firefox, Edge; works in any web text field after installation.

2

Check Multilingual Text

Supports grammar, spelling, and style checking in 30+ languages including English, Chinese, French, German, Spanish.

Auto-detect is convenient, but manually specifying language yields more accurate checks.

3

Use Personal Dictionary and Style Settings

Add professional terms to personal dictionary to avoid false positives. Configure style preferences (American vs British English) for customized suggestions.

Paid version offers advanced style checking for academic, business writing scenarios.

4

Integrate into Workflow for Efficiency

Integrate LanguageTool into Word, Google Docs, LibreOffice for real-time checking while writing.

For teams, self-host LanguageTool to protect sensitive document privacy.

Follow these steps and you're ready to go!

💡 LanguageTool is a software tool, not an AI model. To experience its full features, please visit the official website. You can also add it to your workflow below.

Tags

语法多语言开源

Best Use Cases

LanguageTool is suitable for various writing scenarios, including academic papers, business reports, blog articles, social media posts, etc. It is particularly suitable for students, teachers, editors, and content creators who need to improve the quality of their writing.

Pricing Details & Analysis▼

Pricing Plans

PlanPriceBest For
免费版免费基本语法和拼写检查, 30+ 语言支持
专业版€29/年自定义词典, 离线使用
企业版€99/年高级分析工具, 集成API

Prices are estimates. Visit website for current pricing.

LanguageTool Pricing Analysis

LanguageTool offers a free version and a professional version. The free version meets the basic needs of daily writing, but the professional version provides more advanced features, such as custom dictionaries and offline use. For users who need advanced features, the professional version offers better value for money. The enterprise version is designed for corporate users, providing more comprehensive services and features.

Pros & Cons

✅Pros

  • ✓Multilingual support
  • ✓High accuracy in grammar correction
  • ✓Simple and user-friendly interface
  • ✓Rich features in free version
  • ✓Open-source and free

❌Cons

  • ✗Limited features in free version
  • ✗Advanced features require payment
  • ✗May produce false positives with complex sentences
  • ✗Some users feedback on the unattractive interface

Is LanguageTool Worth It?

Recommended. The free version of LanguageTool is sufficient for most users, but the professional version is a worthwhile investment for those who need advanced features.

Who Should Use LanguageTool

Students: because LanguageTool can help improve writing quality and is suitable for students learning various languages; Teachers: because LanguageTool can be used as an auxiliary teaching tool to help students correct grammar errors; Editors and content creators: because LanguageTool can improve work efficiency and ensure text quality.

Compare with Alternatives▼

Compare with Alternatives

View all alternatives →
ToolRatingPricingBest For
LanguageTool ★4.2/5FreemiumWriting

Frequently Asked Questions

Is LanguageTool free?▼

LanguageTool offers a free version and a professional version. The free version has limited features but is enough for daily writing.

What platforms does LanguageTool support?▼

LanguageTool supports various platforms, including web version, desktop applications, and plugins.

Is LanguageTool better than Grammarly?▼

Both LanguageTool and Grammarly offer grammar and spelling check features, but LanguageTool supports more languages and has richer free features.

Is LanguageTool suitable for students?▼

Yes, LanguageTool can help improve writing quality and is an ideal choice for students.

Does LanguageTool offer a free trial?▼

LanguageTool offers a free version and does not require a trial.

Is LanguageTool safe? Will my data leak?▼

LanguageTool is open-source and data security is guaranteed.

Is LanguageTool worth paying for?▼

If you need advanced features, the professional version is worth the investment.

How do I cancel my LanguageTool subscription?▼

Log in to your LanguageTool account, go to settings, and select cancel subscription.

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Try LanguageTool Today

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Free to try · No credit card needed

Quick Info

CategoryWriting
PricingFreemium
Editor Rating4.2/5

LanguageTool

★★★★☆4.2
PricingFreemium
CategoryWriting
Visit Website →

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