Before checking grammar, you need to ensure your content meets the right word count for essays, articles, and professional writing. FastWordCount.com provides a quick and accurate word & character count, making it the perfect companion for grammar-checking tools.

Now, let's explore the top 10 AI grammar checkers to improve your writing.

🔍 1. Grammarly – Best Overall AI Grammar Checker

⭐ Best for: Students, professionals, and content creators.

Grammarly is the most popular AI-powered grammar checker, offering real-time grammar, punctuation, and clarity suggestions.

✅ Key Features:

• Advanced grammar and punctuation checks
• AI-powered sentence rephrasing
• Plagiarism checker (premium)
• Works with Google Docs, MS Word, and browsers

💰 Price: Free (Premium starts at $12/month)

✍ 2. ProWritingAid – Best for In-Depth Writing Analysis

⭐ Best for: Authors and long-form content writers.

ProWritingAid provides detailed grammar reports and style improvements, making it ideal for in-depth analysis.

✅ Key Features:

• Advanced grammar and style suggestions
• Readability and clarity reports
• Integrates with Scrivener, Word, and Google Docs

💰 Price: Free (Premium starts at $10/month)

🏆 3. Hemingway Editor – Best for Clarity and Readability

⭐ Best for: Bloggers and content writers.

The Hemingway Editor helps make writing clear and concise, highlighting complex sentences and passive voice.

✅ Key Features:

• Highlights long and hard-to-read sentences
• Color-coded readability suggestions
• Desktop app available

💰 Price: Free (Desktop app: $19.99 one-time payment)

📚 4. QuillBot – Best for AI Paraphrasing

⭐ Best for: Students and professionals needing rewording assistance.

QuillBot is not just a grammar checker—it also paraphrases content in various tones.

✅ Key Features:

• AI-powered paraphrasing tool
• Grammar and spell-checking
• Summarizer and citation generator

💰 Price: Free (Premium starts at $9.95/month)

🤖 5. Ginger Software – Best for Multilingual Users

⭐ Best for: Non-native English speakers.

Ginger Software offers AI-powered grammar corrections and supports multiple languages for ESL writers.

✅ Key Features:

• Grammar, punctuation, and spelling corrections
• AI-powered sentence rephrasing
• Translations in 40+ languages

💰 Price: Free (Premium starts at $13.99/month)

✨ 6. WhiteSmoke – Best for Business and Academic Writing

⭐ Best for: Business professionals and academic writers.

WhiteSmoke provides comprehensive grammar checking, plagiarism detection, and translation tools.

✅ Key Features:

• AI-powered grammar and style checker
• Translates to 50+ languages
• Plagiarism checker (premium)

💰 Price: Premium starts at $5/month

💬 7. LanguageTool – Best Free Open-Source Grammar Checker

⭐ Best for: Writers looking for a free yet powerful tool.

LanguageTool is an open-source grammar checker that supports multiple languages.

✅ Key Features:

• AI-powered grammar and spell check
• Supports 20+ languages
• No sign-up required

💰 Price: Free (Premium starts at $4.92/month)

📝 8. Slick Write – Best for Checking Writing Style

⭐ Best for: Bloggers and journalists.

Slick Write helps improve writing style, detecting passive voice, wordiness, and redundancy.

✅ Key Features:

• Checks grammar, style, and sentence structure
• Free online tool with no sign-up
• Readability reports

💰 Price: Free

📊 9. Outwrite – Best for AI-Powered Sentence Rewriting

⭐ Best for: Writers who want AI-assisted writing improvement.

Outwrite rewrites sentences to make them stronger and more engaging.

✅ Key Features:

• AI-powered sentence rephrasing
• Grammar and style improvement suggestions
• Plagiarism detection (premium)

💰 Price: Free (Premium starts at $9.95/month)

🔥 10. Writer.com – Best for Businesses and Teams

⭐ Best for: Companies and teams needing consistent writing quality.

Writer.com ensures consistent tone and brand voice in company communications.

✅ Key Features:

• AI-powered grammar and style suggestions
• Custom rules for brand-specific writing
• Team collaboration features

💰 Price: Starts at $11/month

🎯 Which AI Grammar Checker Should You Use?

✅ For everyday use: Grammarly or LanguageTool
✅ For students: QuillBot or ProWritingAid
✅ For business writing: WhiteSmoke or Writer.com
✅ For bloggers: Hemingway Editor or Slick Write
✅ For multilingual users: Ginger Software

No matter which tool you choose, good grammar is essential for writing clarity. And if you need to check the word count of your content, try FastWordCount.com—it’s free and easy to use!