Best AI Grammar Checkers for Bloggers: A Detailed Comparison

Before fine-tuning grammar and readability, every blogger must ensure their content meets ideal word and character count limits. Search engines and readers prefer well-structured content that is neither too short nor too long.

FastWordCount.com helps bloggers keep track of their word count, making it the perfect tool to start with before using AI grammar checkers. Once your word count is set, it’s time to refine your writing with the best AI-powered grammar tools.

Why Bloggers Need AI Grammar Checkers

Writing high-quality blog posts requires more than just proper spelling and punctuation. AI grammar checkers improve clarity, readability, engagement, and SEO performance.

Key Benefits of AI Grammar Checkers for Bloggers:

• Eliminate typos and grammatical errors
• Improve sentence structure and readability
• Optimize content for SEO and user engagement
• Provide advanced writing suggestions, including tone and style improvements

Now, let’s compare the best AI grammar checkers available for bloggers today.

1. Grammarly – The Most Popular AI Writing Assistant

Best for: General blogging, professional writing, SEO optimization

Grammarly is the most well-known AI grammar checker, offering real-time spelling, grammar, and clarity suggestions.

Key Features:

• AI-powered grammar, punctuation, and spell-check
• Readability and engagement analysis
• Tone adjustments and writing style suggestions
• Plagiarism detection (Premium version)

Pros:

✔ User-friendly interface
✔ Integrates with Google Docs, WordPress, and social media
✔ Provides detailed explanations for errors

Cons:

✖ Some advanced features require a paid subscription
✖ Can be too aggressive with suggestions for casual writing

Pricing:

• Free basic plan
• Premium starts at $12 per month
• Business plan available for teams

2. ProWritingAid – Best for Long-Form Blog Content

Best for: Bloggers who write detailed, research-based articles

ProWritingAid goes beyond grammar checking by providing in-depth writing reports and style improvements.

Key Features:

• Grammar and punctuation correction
• In-depth writing reports on style, readability, and structure
• Contextual thesaurus and vocabulary suggestions
• Plagiarism checker (Premium version)

Pros:

✔ Excellent for long-form content like blogs and ebooks
✔ Detailed writing reports to improve structure
✔ One-time lifetime purchase option

Cons:

✖ Can be overwhelming for beginners due to too many reports
✖ Slower than Grammarly in real-time suggestions

Pricing:

• Free version with basic features
• Premium starts at $10 per month
• Lifetime access available for $399

3. Hemingway Editor – Best for Readability Improvement

Best for: Bloggers who want to simplify and enhance readability

Hemingway Editor focuses on improving readability rather than just fixing grammar. It highlights complex sentences, passive voice, and adverb overuse.

Key Features:

• Color-coded readability suggestions
• Grade-level readability score
• Offline desktop version available
• No monthly subscription required

Pros:

✔ Helps make content concise and easy to read
✔ Ideal for web and mobile-friendly writing
✔ One-time purchase for the desktop app

Cons:

✖ No spell-check feature
✖ Lacks advanced grammar suggestions

Pricing:

• Free online tool
• Desktop app available for $19.99 (one-time purchase)

4. QuillBot – Best for Paraphrasing and Rewriting

Best for: Bloggers who need content rewording and rewriting assistance

QuillBot is an AI-powered paraphrasing tool that helps bloggers rewrite content while maintaining the original meaning.

Key Features:

• Multiple paraphrasing modes (Standard, Fluency, Creative, etc.)
• Grammar and spell-check included
• Summarizer tool for condensing long content
• AI-powered thesaurus for better word choices

Pros:

✔ Great for rewriting blog sections to avoid redundancy
✔ Helps rephrase content while improving clarity
✔ Affordable compared to other AI grammar tools

Cons:

✖ Free version has a word limit on paraphrasing
✖ Not as advanced for full grammar checking as Grammarly

Pricing:

• Free version available
• Premium starts at $8.33 per month

5. Outwrite – Best for AI-Powered Sentence Rewriting

Best for: Bloggers looking for AI-powered sentence restructuring

Outwrite is an advanced AI grammar tool that focuses on sentence restructuring and flow improvement rather than just correcting mistakes.

Key Features:

• AI-powered sentence rewriting suggestions
• Grammar and spelling corrections
• Writing statistics to analyze sentence complexity
• Integrations with Google Docs and Microsoft Word

Pros:

✔ Ideal for making blog posts more engaging
✔ Helps rephrase content in a natural and SEO-friendly way
✔ Offers a free version with core grammar tools

Cons:

✖ Lacks a plagiarism checker
✖ Limited advanced grammar analysis compared to Grammarly or ProWritingAid

Pricing:

• Free basic version
• Premium starts at $9.95 per month

Which AI Grammar Checker is Best for You?

Final Thoughts: AI Grammar Checkers Help Bloggers Write Better and Rank Higher

Choosing the right AI grammar checker depends on your blogging style and needs.

• For general blogging and SEO, Grammarly is the best option.
• For long-form content writers, ProWritingAid offers advanced analysis.
• For bloggers focusing on readability, Hemingway Editor is highly effective.
• For paraphrasing and rewriting, QuillBot provides the best rewording tools.
• For sentence restructuring and flow improvement, Outwrite is a great choice.

Before editing with an AI grammar tool, start with FastWordCount.com to ensure your blog post has the right word count and structure.