Looking for the best grammar checker to improve your writing? Grammarly is a popular choice, but it is not the only tool that can correct spelling, improve sentences, and make your content easier to read.
Compare Grammarly with LanguageTool, ProWritingAid, QuillBot, Hemingway Editor, Microsoft Editor, and AI assistants to find the right tool for emails, academic assignments, blog posts, business documents, and everyday writing.
Quick verdict: Grammarly is a strong starting point for everyday English writing. LanguageTool is worth considering for multilingual writing, ProWritingAid for long documents and detailed editing, QuillBot for paraphrasing, and Hemingway Editor for readability. If you mainly use Microsoft Word, Microsoft Editor may already cover many of your needs.
Grammarly vs alternatives: comparison table
| Tool | Best for | Free version | Key advantage | Official website |
|---|---|---|---|---|
| Grammarly | Everyday English writing | Basic writing suggestions | Convenient writing assistance across supported apps | Grammarly |
| LanguageTool | Multilingual proofreading | Basic grammar and spelling checks with limits | Supports multiple languages | LanguageTool |
| ProWritingAid | Long-form writing and manuscripts | Limited checks and writing reports | Detailed style and structure analysis | ProWritingAid |
| QuillBot | Paraphrasing and rewriting | Basic grammar and limited paraphrasing | Combines proofreading with rewriting tools | QuillBot |
| Hemingway Editor | Clear, concise writing | Free web-based readability editing | Highlights complex sentences and readability issues | Hemingway |
| Microsoft Editor | Word and Microsoft 365 users | Basic writing assistance is available | Convenient integration with Microsoft tools | Microsoft Editor |
| ChatGPT | Context-aware editing and explanations | Free access subject to usage limits | Can explain corrections and follow custom instructions | ChatGPT |
Free features and subscription prices may change. Check the official provider websites for current regional offers, word limits, and billing conditions.
1. Grammarly: Best for everyday English writing
Grammarly helps writers identify spelling, grammar, and punctuation problems. Depending on the plan and application, it can also provide suggestions about clarity, tone, sentence rewriting, and other aspects of writing.
One of its biggest advantages is convenience. Browser extensions and integrations let you receive suggestions in supported writing environments, rather than having to copy every paragraph into a separate editor.
Key features
- Grammar, spelling, and punctuation suggestions.
- Feedback on writing tone and clarity.
- Rewriting and tone adjustments on eligible plans.
- Browser extensions and integrations with supported applications.
- Additional AI writing tools, depending on your plan.
Advantages
- Convenient for emails, business messages, reports, and online writing.
- Helps identify common mistakes as you write.
- Offers both free and paid options.
Limitations
The free version does not include every advanced rewriting feature. Some suggestions may also change your intended tone, so review edits instead of accepting them automatically. Grammarly primarily focuses on English, so multilingual writers may prefer a tool with broader language support.
Pricing
Grammarly has a free plan. Its official pricing page has listed Pro at US$12 per month on annual billing and US$30 for monthly billing; confirm the current price and billing terms before subscribing.
Try Grammarly Compare plans2. LanguageTool: Best Grammarly alternative for multiple languages
LanguageTool is a grammar, spelling, and style checker that supports multiple languages. It is particularly worth exploring if you write in English and Spanish, or regularly switch between languages for work, study, or publishing.
It can help detect spelling mistakes, punctuation issues, and certain grammatical problems. Depending on the language and plan, it may also offer stylistic suggestions to make sentences clearer.
Key features
- Grammar and spelling checks for supported languages.
- Punctuation and style suggestions.
- Browser extensions and integrations for supported applications.
- Premium suggestions for more extensive proofreading.
Advantages
- Useful for people who write in more than one language.
- Offers a free option for basic checking.
- Can be used as an alternative to a primarily English-focused workflow.
Limitations
The number of suggestions and the depth of the checks depend on the language and subscription. Automated tools can also miss context-specific errors, particularly in specialized or technical writing.
Pricing
LanguageTool offers free and Premium plans. The provider's published European pricing has included an annual subscription at €59.89, but the available price can depend on billing period, region, and offers.
Try LanguageTool Visit help center3. ProWritingAid: Best for long-form writing
ProWritingAid is designed for writers who want to go beyond spelling and grammar. It offers writing reports that examine aspects of style, sentence structure, readability, repeated words, and other patterns across a document.
This makes it a useful option for novelists, bloggers, essay writers, and people working on lengthy English documents. Instead of focusing only on individual errors, you can review recurring issues that affect the overall quality of your writing.
Key features
- Grammar, spelling, and punctuation checks.
- Reports about style, readability, and sentence structure.
- Rephrasing and suggestions for improving expression.
- Writing tools designed for longer documents and creative projects.
Advantages
- Useful for reviewing entire articles, chapters, and manuscripts.
- Provides more detailed writing analysis than a basic spellchecker.
- Can help identify repeated habits and stylistic weaknesses.
Limitations
Its extensive reports can be more than you need for a quick email or short message. The free plan also has limits on the amount of text and certain features you can analyze.
Pricing
ProWritingAid offers a free plan, monthly and annual Premium options, and a lifetime option. Its pricing page has listed Premium at US$10 per month when billed annually and US$399 for a lifetime license. Check the current offer before purchasing.
Try ProWritingAid View pricing4. QuillBot: Best for paraphrasing and rewriting
QuillBot combines a grammar checker with paraphrasing and other writing tools. It is useful when you already have a draft but want to make a sentence clearer, change its tone, or explore alternative ways to express the same idea.
For example, you might want to make a casual email more formal or shorten a wordy paragraph. A paraphrasing tool can suggest alternatives, but you still need to check that the revised text preserves your meaning and sounds natural.
Key features
- Grammar and spelling assistance.
- Paraphrasing in different modes.
- Summarizing and other writing tools.
- Browser and document integrations on supported platforms.
Advantages
- Convenient when you need both corrections and sentence rewrites.
- Offers a free version with limits.
- Can help explore different wording and sentence structures.
Limitations
The free plan limits some tools and the amount of text you can paraphrase. Rewriting can also introduce inaccuracies or change the original meaning. Always check facts, citations, and the final wording.
Pricing
QuillBot has a free plan and Premium subscription. Its official page has listed Premium at US$8.33 per month when billed annually. Check the current offer, features, and renewal terms.
Try QuillBot Compare plans5. Hemingway Editor: Best for clear and readable writing
Hemingway Editor focuses on readability. It highlights sentences that may be difficult to read, excessive use of passive voice, adverbs, and other patterns that can make writing less direct.
It is especially useful for bloggers, copywriters, content marketers, and anyone who wants to make articles easier to scan and understand.
Key features
- Readability feedback and a grade-level estimate.
- Highlights potentially complex sentences.
- Flags certain uses of passive voice and adverbs.
- Helps writers identify places where shorter wording may work better.
Advantages
- Simple interface with a clear focus on readability.
- The web editor can be useful without a paid subscription.
- Pairs well with a grammar checker for a second editing pass.
Limitations
Hemingway is not a full replacement for a comprehensive grammar checker. A long sentence is not necessarily wrong, passive voice can be appropriate, and complex language is sometimes necessary. Treat its highlights as suggestions rather than absolute rules.
Try Hemingway Editor6. Microsoft Editor: Best for Word and Microsoft 365 users
Microsoft Editor provides writing assistance through supported Microsoft products and browser integrations. It can help identify spelling and grammar mistakes and provide clarity or refinement suggestions depending on the application and account.
If you already write most of your documents in Word or use Microsoft 365 regularly, it is worth checking which editing features you already have access to before paying for a separate subscription.
Advantages
- Convenient for people who already use Microsoft applications.
- Can help with common spelling and grammar mistakes.
- Reduces the need to switch between writing applications.
Limitations
Available features depend on the application, account, and subscription. It may not offer the same depth of long-document analysis as ProWritingAid or the same paraphrasing workflow as QuillBot.
Explore Microsoft Editor7. ChatGPT: Best for explanations and context-aware editing
ChatGPT can review a paragraph, explain why a sentence is incorrect, suggest alternatives, and adapt its feedback to your intended audience. Unlike a conventional grammar checker, you can give it instructions about tone, reading level, regional English, or the type of document you are writing.
What can you ask ChatGPT to do?
- Correct grammar without changing your writing style.
- Explain mistakes rather than simply fixing them.
- Compare American and British English usage.
- Make an email more professional or an article easier to read.
- Identify unclear passages and suggest more precise wording.
Advantages
- Allows detailed instructions and follow-up questions.
- Can explain the reasoning behind proposed edits.
- Useful for editing text where tone and context matter.
Limitations
ChatGPT is not a dedicated grammar checker that automatically underlines every error wherever you type. It may overlook mistakes, introduce new ones, or rewrite a sentence unnecessarily. For quick inline corrections, a browser-based checker may be more convenient.
Try ChatGPTWhich Grammarly alternative should you choose?
| Your main need | Suggested tool | Why it may fit |
|---|---|---|
| Correct everyday English as you write | Grammarly | Inline suggestions and supported integrations. |
| Check English and Spanish | LanguageTool | Multilingual grammar and spelling support. |
| Edit long articles, books, or manuscripts | ProWritingAid | Detailed style and structure reports. |
| Rewrite and paraphrase sentences | QuillBot | Grammar assistance plus paraphrasing tools. |
| Make blog posts easier to read | Hemingway Editor | Readability-focused feedback. |
| Write mainly in Microsoft Word | Microsoft Editor | Convenient integration with Microsoft products. |
| Understand why a sentence is incorrect | ChatGPT | Can explain corrections and provide examples. |
Best free grammar checkers in 2026
If you do not want to pay for proofreading software, start with a free plan and test it on the type of writing you do most often.
Best free option for everyday writing: Grammarly
Grammarly's free plan provides basic writing assistance. It is a reasonable starting point if you mainly need help catching common English mistakes in everyday documents.
Best free option for multilingual writing: LanguageTool
LanguageTool is worth testing if you regularly write in different languages. Compare its suggestions for each language and check which features are included in the free plan.
Best free option for readability: Hemingway Editor
The web editor is useful when your main objective is to make sentences clearer and more concise. Use it alongside a grammar checker if you also need detailed spelling and punctuation checks.
Best free option for quick AI feedback: ChatGPT
You can paste a paragraph into ChatGPT and request a corrected version with explanations. Free access is subject to usage limits, and you should verify edits before using them in important documents.
How to test a grammar checker before paying
- Use your own writing. Test an email, an article paragraph, and a longer document rather than relying only on a provider's demonstration.
- Check the errors it catches. Include a few known spelling, grammar, and punctuation mistakes.
- Review false positives. Notice whether the tool incorrectly flags valid expressions, names, technical terms, or regional language.
- Compare rewriting quality. Check whether suggested changes preserve your meaning, tone, and intended audience.
- Test your actual workflow. Make sure the tool works in the browser, editor, or publishing platform where you write.
- Check privacy and pricing. Review data-handling terms, document limits, subscription renewal conditions, and cancellation policies.
Try a grammar checker decision guide
Answer these questions to find a tool that matches your writing habits.
Find your best match
1. What do you write most often?
2. What matters most to you?
How to use AI to correct grammar without losing your voice
Grammar software is most helpful when it improves your writing without making every sentence sound generic. Whether you use Grammarly, a dedicated checker, or an AI assistant, tell it what kind of edits you want.
Prompt 1: Correct grammar only
Correct the grammar, spelling, and punctuation in the text below. Preserve my original meaning, writing style, and tone. Do not rewrite sentences that are already correct. After the corrected text, list the most important changes and explain why they were necessary.
Prompt 2: Improve clarity and readability
Review this text for clarity, readability, and sentence flow. Identify confusing sentences, unnecessary repetition, and vague wording. Suggest improvements while preserving my meaning and natural voice. Separate genuine errors from optional stylistic suggestions, and explain any substantial changes.
Prompt 3: Proofread a blog article
Proofread this blog article in English. Check grammar, spelling, punctuation, consistency, and readability. Keep the headings, structure, facts, and intended audience unchanged. Do not invent facts, statistics, citations, or claims. Return a corrected version followed by a concise list of important edits and any sentences that need human review.
Frequently asked questions
What is the best alternative to Grammarly?
LanguageTool is worth considering for multilingual writing, ProWritingAid for detailed analysis of long documents, QuillBot for paraphrasing, and Hemingway Editor for readability. The best alternative depends on the type of writing you do and the features you need.
Is there a completely free grammar checker?
Several tools offer free versions, including Grammarly, LanguageTool, ProWritingAid, QuillBot, and Hemingway Editor. However, free versions may limit word counts, suggestions, reports, or advanced features. Check each provider's current conditions.
Is LanguageTool better than Grammarly?
Neither is universally better. LanguageTool is attractive for multilingual proofreading, while Grammarly is a strong choice for everyday English writing and supported app integrations. Test both on your own documents to compare the suggestions that matter to you.
Is Grammarly Premium worth paying for?
It may be worthwhile if you frequently write in English and need advanced suggestions, sentence rewrites, or tone adjustments. If you mainly need basic spelling and grammar checks, a free tool may be enough.
Can ChatGPT replace Grammarly?
ChatGPT can proofread text, explain grammar rules, and suggest alternative wording. However, it does not necessarily provide the same automatic inline checking experience as Grammarly. Many writers use a dedicated checker for quick corrections and AI for more complex editing.
Which grammar checker is best for bloggers?
Grammarly can help with everyday errors, ProWritingAid offers deeper style analysis, and Hemingway Editor can highlight readability problems. Bloggers may benefit from combining a grammar checker with a separate readability review.
Can grammar checkers correct Spanish as well as English?
LanguageTool supports multiple languages, including Spanish. Other tools have different language coverage and may be more focused on English. Always check the supported language list and test the quality of corrections for your target language.
Are grammar checkers accurate enough for academic writing?
They are useful for catching many common errors, but they cannot guarantee that an academic paper is correct, well argued, or properly referenced. Review all suggestions yourself and follow your institution's rules for AI-assisted editing.
Do grammar checkers store my writing?
Data handling differs between providers and products. Before submitting confidential, personal, legal, or unpublished material, read the service's privacy policy and understand how text may be processed, stored, or used.
Final verdict: Which grammar checker should you choose?
Choose Grammarly for convenient English corrections across supported applications. Choose LanguageTool if you regularly write in multiple languages. Choose ProWritingAid for deeper analysis of long documents, QuillBot for paraphrasing, and Hemingway Editor for clearer, more concise writing.
If you mainly need explanations and context-aware editing, ChatGPT is also worth trying. You may find that a free grammar checker combined with a readability tool is enough for your daily work.
Ultimately, the best grammar checker is the one that catches useful errors, preserves your intended meaning, fits your workflow, and helps you produce clearer writing without unnecessary edits.