Best 8 Grammar checking Tools in 2026

Fact-checked AI content generation
In-text citations from trusted sources
Plagiarism detection
Proofreading in over 25 languages
AI Article & News Rewriter
Katteb Chat With Internet Access
Long Form Fact Checked Article Generator
Katteb Design To Generate AI Images
URL Writer: Write Based on URLs
YouTube Writer: Write Based on Videos
Amazon Writer: Write Product Reviews
Auto Related Images Suggestions
InLinks: Auto Internal Linking
100+ Languages are Supported
Export Content To WordPress
Export Content To Blogger
Export Content Into Files
GPT-4 Access
Priority Email & Chat Support

Monthly $29 / Unlimited Unlimited AI fact-checked content writing for just $19 per month
Semi Annually $69 / Unlimited Enjoy 6 months of unlimited AI access at a reduced price.
Annually $99 / Unlimited Get a full year of unlimited AI access for the best value and savings.

Use Katteb to generate various types of content by selecting a content type, providing a topic or URL, and letting the AI generate fact-checked content with citations. You can also use Katteb Chat for fact-checked answers and Katteb Design to convert text into images.

AI-powered text generation
Grammar checking
Bug fixing
Translation
Customizable settings (role, language, tone, length, format)
90+ templates for various writing needs
Compatibility with Web, Chrome, Windows, and Mac

Basic $6.9 /mo Unlimited GPT-4o mini credits, Support web search, Up to 6,000 words per generation, Support continuous generation, Cancel any time, 1v1 Customer Service, Start 7-days Trial
Premium $14 /mo 600 GPT-4.1 credits per month, Unlimited GPT-4o mini credits, Support web search, Unlock all features, Up to 6,000 words per generation, Support continuous generation, Cancel any time, 1v1 Customer Service
Ultimate $29 /mo 1800 GPT-4.1 credits per month, Unlimited GPT-4o mini credits, Support web search, Unlock all features, Up to 6,000 words per generation, Support continuous generation, Cancel any time, 1v1 Customer Service

To use MagickPen, simply input your subject or topic, select the desired role, and click the generate button. The AI will produce content in seconds. You can customize the language, tone, length, and format using the advanced settings. For more precise results, provide a detailed topic description.

Automated manuscript checks
Comprehensive, configurable checks
Transparent results
Integration with publishing platforms

Users can enable automated checks within their manuscript handling software. The tool provides top-level results within the publishing software or a full, annotated, and interactive report.

Spelling and grammar check
Fact-checking
Real-time analytics
Retrieval Augmented Generation (RAG)
In-line slash commands

Full Access $9.99 Advanced Fact Checking, Factful Analytics, Forward Slash Commands, Advanced Proofreading, Model Fine-tuning, Faster Processing Speed

To use Factful, add it to Chrome and start writing. The tool will seamlessly integrate into your writing environment, providing real-time feedback and suggestions for spelling, grammar, and factuality. Utilize the in-line slash commands system to enhance productivity.

Text to SQL Query
Ideas generator
Study notes generation
Important points extraction
Question generation

Browse the available tools on the website and select the one you need. Input your text or code, and the AI will process it according to the tool's function.

Chatting with Documents
Grammar Checking
Image Generation
Domain Name Generator
SQL Query Generator

Lifetime Premium $25 $12.50 One-time payment for premium access.

Use your own OpenAI API key to access various AI tools like Chatting with Documents, Grammar Checking, and Image Generation. No monthly subscription is required; pay for what you use.