Grammarly is one of the most popular writing tools for grammar correction, style enhancement, and plagiarism checking. But its free plan is limited, and the premium subscription can be costly. Thankfully, there are several free Grammarly alternatives that offer spelling, grammar, punctuation correction, and writing improvement features—some even without requiring an account.
Whether you’re writing emails, blog posts, essays, or social content, these tools will help you write clearer, error-free, and more effective English—for free.
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1. QuillBot Grammar Checker
QuillBot is widely known for its AI-powered paraphrasing tool, but it also offers a free grammar checker that catches grammar, punctuation, and spelling mistakes. The interface is fast and easy to use, and you can fix issues with a single click.
It integrates seamlessly with QuillBot’s paraphraser, making it a great tool for content rewriting and grammar checks in one place.
Best for: Grammar fixes + paraphrasing all-in-one for writers and students.
2. Hemingway Editor
Hemingway Editor is less about grammar and more about readability. It highlights passive voice, adverbs, and complex sentences, and assigns a readability grade. It’s perfect for tightening up your writing and improving clarity.
The web version is completely free, and no login is required.
Best for: Improving clarity, sentence structure, and writing flow.
3. ProWritingAid (Free Version)
ProWritingAid offers deep grammar and style analysis with suggestions for clarity, conciseness, readability, and overused words. The free version gives you a 500-word limit per session but includes grammar, style, and structure checks.
It also integrates with Google Docs, MS Word, and browser extensions.
Best for: Writers who want more analytical feedback beyond grammar.
4. LanguageTool
LanguageTool is an open-source grammar and spell checker that supports multiple languages. It provides grammar, punctuation, and style suggestions through its browser extension, web app, or integrations with Docs and Word.
The free version offers 10,000 characters per check, which is generous for most users.
Best for: Multilingual users and privacy-conscious writers.
5. Slick Write
Slick Write is a free web-based tool that checks for grammar errors, passive voice, sentence variety, readability, and vocabulary flow. It’s fast and great for analyzing your writing style and rhythm.
There are no word limits, and it offers visual breakdowns via graphs and reports.
Best for: Writers wanting real-time style analysis and visual feedback.
6. Ginger Software (Free Plan)
Ginger offers grammar, spelling, and punctuation checks, along with rephrasing suggestions and text-to-speech. The browser extension and desktop app make it handy for email and web writing.
While the free version has limits on rephrasing and translation, grammar checking remains available.
Best for: Grammar correction with light rephrasing and translation tools.
7. Microsoft Editor (Free via Edge or Word Online)
Microsoft Editor is a grammar and style checker integrated into Microsoft Word Online, Outlook, and Microsoft Edge. The free version includes basic grammar and spelling corrections and some style suggestions.
It’s a great built-in tool if you’re already using Microsoft 365 apps.
Best for: MS Office users wanting real-time writing feedback.
8. Scribens
Scribens is a free grammar checker that goes beyond basic corrections. It detects over 250 types of grammar mistakes, including subject-verb agreement, redundancy, and tense issues. It also provides detailed explanations for errors.
The interface is simple, and no sign-up is needed to start using it.
Best for: Detailed grammar correction and learning why you made the mistake.
9. Writer.com (Free Plan)
Writer.com offers AI-driven grammar, clarity, tone, and style suggestions with a focus on business and brand consistency. The free plan gives basic grammar and tone suggestions, especially useful for teams or marketing content.
It includes a Chrome extension and works in Google Docs.
Best for: Marketing and business writers needing tone and brand alignment.
10. Virtual Writing Tutor
Virtual Writing Tutor is an ESL-focused grammar checker that also includes tools like vocabulary checker, word counter, paraphraser, and essay outline generator. It’s geared toward students learning English.
It offers detailed grammar feedback and writing tips, ideal for academic writing.
Best for: ESL students and academic writers needing grammar and essay tools.
Choosing the Best Free Grammarly Alternative
If you need a fast, free grammar checker, try QuillBot, LanguageTool, or Scribens. For style and clarity, go with Hemingway Editor or Slick Write. If you’re focused on academic or ESL writing, Virtual Writing Tutor is a smart pick. And for integrated writing support inside MS tools or browsers, use Microsoft Editor or Ginger.
Each tool has its strengths—combine two or more to match Grammarly Premium’s capabilities without paying a cent.
