📋 About Grammarly
Grammarly is the world's most widely used AI writing assistant with over 30 million daily active users. Founded in 2009, Grammarly has evolved from a grammar checker into a full AI writing companion that checks grammar, spelling, punctuation, style, tone and clarity across everything you write.
Grammarly works everywhere — in Google Docs, Microsoft Word, Gmail, Outlook, Slack, LinkedIn and 500000 other apps via its browser extension. GrammarlyGO, its generative AI feature, can rewrite sentences, adjust tone, generate drafts and respond to emails.
The free plan covers basic grammar and spelling. Grammarly Premium at $30/month adds advanced suggestions, tone detection, plagiarism checking and full sentence rewrites.
⚡ Key Features
✓
Real-time grammar, spelling and punctuation correction✓
Tone detection — identifies how your writing sounds to readers✓
Clarity suggestions — simplify complex sentences✓
GrammarlyGO — generate, rewrite and adjust tone with AI✓
Plagiarism checker against 16 billion web pages✓
Works in 500000+ apps via browser extension✓
Microsoft Word and Google Docs add-ins✓
Style guide enforcement for teams✓
Goals setting — adjust suggestions by audience and formality✓
Available on desktop, mobile and browser🎯 Popular Use Cases
✉️
Professional Emails
Write clear, professional emails with the right tone — from formal client communications to friendly team messages
📝
Academic Writing
Improve essays and research papers with advanced grammar, citation style and clarity suggestions
💼
Business Documents
Polish reports, proposals and presentations to a professional standard before sharing with stakeholders
📱
Social Media
Write engaging social posts with clear messaging, correct grammar and the perfect tone for each platform
🌐
Non-Native Speakers
Get comprehensive writing assistance to communicate confidently in English regardless of native language
💰 Pricing Plans
💬 Frequently Asked Questions
Is Grammarly free? ▼
Yes, Grammarly offers a free plan covering grammar, spelling and basic punctuation. Premium at $30/month adds advanced suggestions, tone detection and plagiarism checking.
Where does Grammarly work? ▼
Grammarly works in 500000+ apps via its browser extension — including Gmail, Google Docs, Microsoft Word, Outlook, Slack, LinkedIn, Twitter and most text input fields online.
What is GrammarlyGO? ▼
GrammarlyGO is Grammarly's generative AI feature that can rewrite sentences, adjust the tone of entire paragraphs, generate email drafts from prompts and suggest contextual improvements.
Does Grammarly have a plagiarism checker? ▼
Yes — Grammarly Premium includes a plagiarism checker that compares your writing against 16 billion web pages to identify potential plagiarism or unintentional copying.
Is Grammarly suitable for non-native English speakers? ▼
Yes — Grammarly is widely used by non-native English speakers as a comprehensive writing companion that catches errors and suggests natural phrasing that native speakers use.
👤 About the Founder
Brad Hoover
CEO · Grammarly
Brad Hoover is the CEO of Grammarly, the AI writing assistant used by over 30 million people daily. He joined Grammarly in 2011 as its first CEO and has led the company from a grammar checker to a comprehensive AI writing platform. Under his leadership Grammarly reached a $13 billion valuation and expanded into enterprise with Grammarly Business.
⭐ User Reviews
★★★★★
Grammarly is the first tool I open every morning. It has made me a significantly better writer by consistently pointing out patterns in my mistakes. The tone suggestions have transformed my client communications.
PN
Priya Nair
Content Writer
Feb 2025
★★★★★
Grammarly Premium is essential for my academic writing. The plagiarism checker gives me confidence before submitting assignments and the clarity suggestions have genuinely improved my writing style.
AS
Arjun Sharma
MBA Student
Jan 2025
★★★★★
We use Grammarly Business across our 20-person team with our style guide loaded. The consistency in our communications has noticeably improved and new team members get up to speed with our voice faster.
MK
Meena Krishnan
Marketing Director
Feb 2025
ℹ️ Quick Info
CategoryWriting & Content
DeveloperGrammarly
PlatformWeb, iOS, Android
PricingFreemium
Free Tier✅ Yes
API Available✅ Yes
Rating⭐ 4.7/5
Launched2009
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🏷️ Tags
Writing & ContentFreemiumGrammarlyAI