LanguageTool Alternatives: Best Free AI Writing Tools
Whether you’re a student, content creator, SEO specialist, or business professional, choosing the right writing and AI tools can make a big difference in productivity and quality. In this guide, we’ll compare some of the top alternatives to LanguageTool—QuillBot, Grammarly, GPTZero, and Smodin—based on features, integrations, and languages supported.
Read on to see which tool is right for you.
What is LanguageTool?
LanguageTool is an AI-powered writing assistant that supports more than 30 languages. It features an advanced grammar checker and paraphraser and a team plan for businesses and organizations.
LanguageTool’s grammar checker and paraphraser are available for free via their website. To access apps and extensions, which make using the tools on websites seamless, users can subscribe to a paid plan.
If you’re looking for a free option and the ability to use additional features, such as an AI detector, citation generator, and generative AI tools, you may want to consider one of the LanguageTool alternatives we explore below.
What are some LanguageTool alternatives?
1. QuillBot
QuillBot is a powerful writing and productivity assistant that includes Grammar Checker, Paraphraser, AI Detector, Translate, AI Chat, and more. It enables writers at all stages of the writing process, from idea generation to revision, supports more than 30 languages and dialects, and seamlessly integrates with popular apps and programs.
2. Grammarly
Grammarly is a comprehensive writing assistant that helps users improve their writing in real time. It provides advanced grammar recommendations, paraphrasing, AI content detection, and plagiarism checking. The only language Grammarly currently supports is English.
3. GPTZero
GPTZero is a free, web-based AI-content detection platform designed to identify and quantify text generated by AI language models. Additionally, GPTZero offers several auxiliary tools—including a plagiarism checker, grammar correction, summarizer, paraphraser, translator, and readability analysis.
4. Smodin
Smodin offers many web-based writing tools, including a grammar checker, paraphraser, AI writer, AI content detector, translator, and plagiarism checker. It supports more than 50 languages, depending on the tool.
LanguageTool alternatives comparison
| Feature | LanguageTool | QuillBot | Grammarly | GPTZero | Smodin |
|---|---|---|---|---|---|
| Grammar checking | Advanced | Advanced | Advanced | Advanced | Basic |
| Paraphrasing | ✅ | ✅ | ✅ | ❌ | ✅ |
| AI detector | ❌ | ✅ | ✅ | ✅ | ✅ |
| Translator | ❌ | ✅ | Paid only | ❌ | ✅ |
| Plagiarism checker | ❌ | Paid only | Paid only | ✅ | ✅ |
| Generative AI tools | ❌ | ✅ | Limited | ❌ | ✅ |
| App integrations | Paid only | ✅ | ✅ | ✅ | ❌ |
| Multilingual | ✅ | ✅ | ❌ | ✅ | ✅ |
The best LanguageTool alternative
If you’re looking for an alternative to LanguageTool, QuillBot is your best bet. It combines the multilingual support, advanced grammar checking capabilities, and productivity-enhancing integrations of LanguageTool with additional features, like AI detection, AI Chat, Translate, and more.
No other tool is able to offer the same capabilities. Plus, QuillBot has a robust free version, and its Premium plan is cheaper than other competitors.
So, what are you waiting for? Strengthen your writing and boost your productivity with QuillBot. Just click the link below and then select “Sign up for free” to start using QuillBot everywhere you write.
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QuillBot. (2025, September 07). LanguageTool Alternatives: Best Free AI Writing Tools. Quillbot. Retrieved October 14, 2025, from https://quillbot.com/blog/quillbot-tools/languagetool-alternatives/
