Grammarly
AI writing assistant that checks grammar, spelling, tone, and clarity across emails, documents, and messages.
| What is it | AI writing assistant that checks grammar, spelling, tone, and clarity across emails, documents, and messages. |
|---|---|
| Pricing | Freemium — from €12/mo |
| Free tier | Yes |
| Platform | Web Application |
| API | Yes |
| Best for | polishing business emails, improving academic papers |
| Domain registered | 2009 |
Data updated Aug. 1, 2026
What does Grammarly do?
Grammarly is an AI-powered writing assistant that helps you communicate more effectively by checking your text for grammar, spelling, punctuation, and clarity issues. It works across various platforms including email clients, document editors, and messaging apps, providing real-time suggestions to improve your writing. The tool analyzes your text for readability and offers specific recommendations to make your message more concise and impactful.
What sets Grammarly apart is its ability to understand context and tone. It doesn't just fix errors—it helps you adjust your writing style to match your intended audience, whether you're aiming for a professional, casual, or persuasive tone. The AI can rewrite entire sentences for better flow, suggest alternative phrasing, and even predict how readers might react to your message. For teams and organizations, Grammarly offers brand voice consistency features to maintain professional standards across all communications.
Grammarly is particularly valuable for students writing essays, professionals crafting business communications, and content creators developing marketing materials. It helps non-native English speakers write with confidence while enabling native speakers to polish their work efficiently. The tool saves users significant time by catching errors that might otherwise require multiple proofreading passes, making it an essential companion for anyone who writes regularly for work or school.
Key features
What makes it stand outWho is Grammarly for?
Who benefits most from this toolPricing
Free tier available — start without a credit cardFree
- 100 AI prompts
- Write without mistakes
- See your writing tone
- Generate text with 100 AI prompts
Pro
Everything in Free, plus:
- 2,000 AI prompts
- Rewrite full sentences with a click
- Adjust your writing tone with ease
- Write fluently in English
- Unlimited personalized suggestions
- Detect plagiarism and AI generated text
- Generate text with 2,000 AI prompts
Enterprise
Everything in Pro, plus:
- Unlimited AI prompts
- Unlimited Brand tones
- Unlimited Style guide
- Unlimited User groups
- Proactive AI that works everywhere
- Dedicated support
- BYOK encryption
- Custom roles and permissions
- Data loss prevention
- Cost center visibility
Trust & presence
Gallery
Click any image to enlargeAlternatives in Grammar Checker
Free AI grammar, spelling, and punctuation checker — paste text and get instant corrections
Free AI grammar checker — paste text, get instant corrections for grammar, punctuation, and spelling errors
Free online tool that checks grammar, spelling, punctuation, and style in any text you paste.
AI grammar checker that translates awkward English into fluent, natural sentences in real-time.
AI-powered grammar and spelling checker — paste text or upload a file for instant corrections with detailed explanations.
AI-powered writing assistant — get real-time grammar, spelling, and style feedback in your browser and on mobile.
AI writing assistant for your mobile keyboard — correct grammar, spelling, and style in English, German, and Spanish
AI writing assistant that checks grammar, paraphrases text, and generates content for emails, social media, and documents.