Best 32 AI Grammar Checker Tools in 2026

What are the main features of QuillBot?

• Paraphraser: Reword sentences while maintaining original meaning.
• Grammar Checker: Identify and correct grammatical errors in your writing.
• AI Detector: Analyze text to determine if it was generated by AI.
• Plagiarism Checker: Ensure content originality by checking against online sources.
• AI Humanizer: Modify text to sound more natural and human-like.
• Summarizer: Condense long articles or papers into concise summaries.
• Citation Generator: Automatically create citations in various formats.
• Translate: Translate text into multiple languages.

What are the main features of Gptinf?

• AI Humanizer: Refines and humanizes text to improve clarity and readability without altering the original meaning.
• AI Detector: Identifies AI-generated patterns in your writing, helping ensure authenticity.
• Plagiarism Checker: Scans content against a vast database to confirm originality and catch any potential overlaps.
• In-Text Editing: Allows users to edit and re-humanize their text multiple times for optimal results.
• User-Friendly Interface: A streamlined workspace that integrates all features for a seamless writing experience.

What are the main features of Wordtune?

• Paraphrasing: Effortlessly paraphrase articles, emails, and more with one click.
• Rewriting: Instantly rewrite content to improve clarity and style.
• Grammar Checker: Automatically correct grammar and spelling errors to enhance your writing quality.
• Read and Summarize: Summarize texts or videos to maximize efficiency.
• AI Writing: Generate original, context-based content using AI technology.
• Tone Adjustment: Switch between casual and formal tones easily.

What are the main features of Writing9?

• Detailed feedback on writing performance, including strengths and weaknesses.
• Grammar checking^[4] with simple tips to correct mistakes.
• Vocabulary enhancement suggestions to help users express their ideas more clearly.
• Ideas and templates for various IELTS topics to prevent writer's block.
• Bonus tools including an English speaking course, IELTS speaking simulator, and vocabulary practice.

What are the main features of Phrasly.AI?

• AI Humanizer: Converts robotic text into natural, human-like language.
• AI Detector: Checks your content for AI-generated patterns and provides feedback.
• Content Generator: Creates high-quality, original content quickly and efficiently.
• Thesis Generator: Generates human-like thesis statements in seconds.
• Translator: Offers unlimited, high-accuracy translations.
• Phrasly Pages: Combines all tools for seamless document editing and creation.

What are the main features of Corrector App?

• Extensive Directory: Access a comprehensive list of over 22,139 AI tools across 120+ categories.
• Daily Updates: Stay informed with the latest AI tools added to the directory every day.
• Smart Search: Utilize a powerful search engine that helps you find the right AI tool for any task quickly.
• Personalized Recommendations: Get tailored suggestions based on your specific needs and preferences.
• Granular Filters: Narrow down your search using various filters, including pricing, category, and tool type.

What are the main features of Linguix?

• Multilingual Grammar and Spell Check: Supports six languages, enabling users to check documents effortlessly.
• AI-based Writing Assistant: Provides grammar, punctuation, and style suggestions to enhance writing quality.
• Text Rewriter: Instantly rewrites sentences to improve clarity and effectiveness.
• Content Score: Analyzes text and assigns a quality score based on various linguistic factors.
• Shortcuts: Allows users to create templates and reduce typing time significantly.
• Style Guide: Ensures consistency in corporate communications, helping to maintain professionalism.
• Team Management: Offers performance tracking and readability scores for team members.

What are the main features of Writefull?

• Language Feedback: Provides tailored language suggestions specifically for academic writing.
• Paraphrasing Tool: Offers multiple rewriting options for sentences to improve clarity and style.
• Title and Abstract Generators: Automatically generates titles and abstracts based on the content provided.
• Widgets for Writing: Includes features that help craft sentences and improve overall writing quality.
• Integration with Word and Overleaf: Seamlessly integrates with popular writing platforms for ease of use.

What are the main features of Thesifyai?

Thesifyai offers a range of powerful features to enhance academic writing, including: - Real-time Feedback: Instant insights on your writing to help improve clarity and argument strength. - Citation Assistance^[4]: Easily manage references and find high-quality sources for your work. - Topic Suggestions^[5]: Receive guidance on relevant topics and areas to explore in your writing. - Manuscript Pre-Submission Review: Prepare your documents for submission with expert-level evaluations. - Semantic Literature Search: Quickly locate important articles and papers relevant to your research.

What are the main features of InstaText?

• Advanced Editing^[5]: Provides in-depth editing for clarity, flow, and word choice, allowing users to write like native speakers.
• Multi-Platform Support: Works across over 20 platforms, including emails, documents, and social media, without the need for copy and paste.
• Personal Dictionary: Users can create a personal dictionary to retain specific words and phrases that reflect their professional language or style.
• Real-Time Suggestions: Offers immediate feedback and concrete suggestions to improve writing, going beyond simple grammar checks.
• Language Settings: Allows users to adjust dialects and formality levels, preserving their unique voice while ensuring clarity.

What are the main features of Jetwriter AI?

• Email Drafting^[5]: Quickly draft effective emails with AI-driven suggestions.
• Grammar Correction: Automatically fix grammatical errors in your writing.
• Translation: Translate text between multiple languages seamlessly.
• Research Assistance: Conduct research and get summaries of web pages.
• Custom Writing Styles: Create different writing styles for various contexts.
• Voice Input: Utilize voice-to-text capabilities for faster input.
• Response Length Control: Choose the preferred length for generated responses.
• Prompt Templates: Save and reuse favorite prompts with a single click.

What are the main features of Outwrite?

• Advanced Grammar Checking: Instantly corrects spelling, grammar, and punctuation errors.
• Style Suggestions^[2]: Provides recommendations to improve the quality and flow of your writing.
• Paraphrasing Tool^[3]: Allows you to rewrite sentences to make them shorter, longer, or different.
• Passive Voice Correction^[4]: Helps convert passive voice constructions into active voice for more engaging writing.
• Writing Statistics^[5]: Tracks readability and grade level scores in real-time, helping you gauge the effectiveness of your writing.
• Multilingual Support^[6]: Check your writing in English, French, and Spanish.

What are the main features of Shyeditor?

• AI Assistant: Provides suggestions and helps overcome writer's block by understanding your writing style.
• Intelligent Grammar Checker: Offers contextual grammar and style suggestions to improve writing quality.
• Markdown Editor: Allows for versatile formatting of text, photos, and tables using Markdown.
• Version Control: Keeps a full history of changes, enabling easy access to previous versions of your work.
• Organizational Tools: Helps manage projects, chapters, and scenes with tags and smart search functionality.

What are the main features of RewriteBar?

• Grammar and spelling correction to enhance writing quality.
• Style adjustment options to tailor text tone (formal, conversational, etc.).
• Translation capabilities supporting over 500 languages.
• Customizable actions to create personalized workflows.
• Side-by-side comparison of original and rewritten text.
• Integration with PopClip for quick access.
• Support for local AI models to ensure privacy.

What are the main features of Textbuddy?

• AI-powered rewriting that simplifies complex sentences.
• Grammar and spelling correction capabilities.
• Text analysis tools that highlight long sentences, formatting errors, keyword repetitions, and passive voice.
• Support for over 50 languages, catering to a global audience.
• Readability scoring to help assess the clarity of your writing.
• One-click synonyms for quick vocabulary enhancement.
• Unlimited custom prompts for personalized assistance.

What are the main features of Scienhub?

• AI-based language refinement with TeXGPT for easy writing improvements.
• Hundreds of LaTeX templates for various scientific documents.
• Git version control for efficient document management.
• Modern user interface with intuitive design.
• Syntax highlighting and auto-completion for better coding experience.
• Unique user profiles and project pages for easy collaboration.

What are the main features of Chatgpt Writer?

• Email and Message Writing: Quickly draft emails and messages using AI assistance.
• Grammar Correction: Automatically fix grammar mistakes in your writing.
• Translation: Translate text between different languages seamlessly.
• Research Assistance: Conduct research and obtain key information quickly.
• Voice Input: Utilize voice commands to generate text.
• Custom Writing Styles: Create personalized writing styles for different contexts.
• Switch AI Models: Easily switch between different AI models to get the best responses.
• Prompt Templates: Save and use favorite prompts with a single click.

What are the main features of Nanoeditor?

• AI Image Generation: Create images from text prompts using advanced AI models.
• Image Editing Tools: Edit photos with features like background replacement, makeup trials, and outfit swapping.
• Style Generators: Access various styles including anime avatars, Disney styles, and ancient art styles.
• 3D Figurine Maker: Generate 3D figurines from images, allowing for unique creations.
• Free Tools: Utilize free utilities like watermark removers and format converters to enhance your workflow.

What are the main features of UnitText?

• AI-powered content review that evaluates structure, clarity, and impact.
• Iterative feedback process that allows for continuous improvement.
• Ability to define writing goals and target audiences before drafting.
• Ensures factual correctness and accuracy in content.
• Supports various writing formats, including journal articles, blog posts, and professional emails.

What are the main features of Lemmi?

• ATS Optimization: Ensures your resume meets ATS criteria by suggesting relevant keywords and formatting.
• Comprehensive Feedback: Provides detailed insights on how to improve your resume's overall composition.
• Expert-AI Review: Combines AI analysis with expert career advice tailored to current market trends.
• Smart Structuring: Helps organize diverse experiences into a cohesive and professional format.
• Industry Updates: Offers tailored advice on in-demand skills and certifications in your field.

What are the main features of Promptix?

• Hotkey Integration^[1]: Activate AI functionalities with a simple hotkey, enhancing your workflow without interruptions.
• Text Editing^[2]: Easily edit and rewrite text to improve clarity and effectiveness.
• Translation^[3]: Instantly translate selected text into any language.
• Grammar Fixing^[4]: Automatically correct grammar and spelling mistakes.
• Custom Prompts: Create and save your own prompts for specific tasks, allowing for personalized usage.
• API Key Support: Use your own API keys to access various AI services without limits on requests.

What are the main features of Tryclarifier?

• Instant text rewriting for clarity and professionalism.
• Paraphrasing capabilities to rephrase sentences effectively.
• Translation support for multiple languages to facilitate communication.
• Grammar correction to ensure error-free writing.
• Politeness checker to refine the tone of your messages.
• Native iOS user experience for seamless integration with your keyboard.

What are the main features of Essayget?

• AI Checker: Detects AI-generated content and highlights areas for improvement.
• AI Humanizer: Transforms AI-generated text into natural, human-like writing, making it undetectable by AI detectors.
• AI Essay Writer: Instantly creates narrative, persuasive, argumentative, and descriptive essays.
• Citation Management: Automatically formats in-text citations and reference pages according to academic standards (APA, MLA, Chicago).
• Plagiarism-Free Assurance: Guarantees that the final output is original and free from plagiarism.

What are the main features of ParagraphAI?

• Real-time Editing: Adjust your text's formality, tone, and length with innovative filters.
• Grammar and Spelling Check: Instantly correct grammar mistakes and improve spelling.
• Text Creation: Generate various types of content, from casual messages to professional reports.
• Language Support: Translate text into over 40 languages, accommodating diverse communication needs.
• Summarization: Quickly summarize web pages, articles, and documents.
• AI Detection Avoidance: Humanize AI-generated content to make it sound natural.

What are the main features of Useclarafy?

• Instant text polishing directly within any text field.
• Context-aware adjustments for different applications (e.g., Gmail, Discord).
• Voice dictation feature for seamless text input.
• A suite of writing tools for enhancing formality, summarizing, and organizing content.
• Ability to transform messy thoughts into structured formats like lists and tables.

What are the main features of Notate?

• Highlight Anything: Capture important text, videos, and PDFs with multiple colors and styles.
• Notes & Collections: Instantly add thoughts, organize them, and find anything easily.
• Screenshots: Capture any part of a page for visual references and charts.
• PDF & Video Highlighting: Highlight directly in PDFs and videos, with the ability to jump back to specific timestamps.
• Auto-Scrollback: Automatically return to your highlights, enhancing your workflow with tools like ChatGPT.
• Page Chat: Engage in chat with any page, including local files, without the need for copy-pasting.
• AI Highlights: Get context-aware answers about your highlights through AI interaction.
• Reminders: Schedule email reminders to revisit your highlights and insights.

What are the main features of Polishit?

• AI-powered^[2] polishing to enhance clarity and flow of your text.
• Retains your original voice and intent without rewriting.
• Offers 10 free polishes per day with a 3,000 character limit.
• Instant results^[4] with no login required.
• Pro plan available for power users, offering 100 polishes per day and a 10,000 character limit.

What are the main features of Essaywriterappai?

• Fast delivery of essays
• Humanized text that passes AI detectors
• Cost-effective pricing plans
• Editable and customizable content
• User-friendly order form
• 24/7 customer support
• Plagiarism-free essays with citation reports
• Comprehensive tools for various writing needs such as citation generators and essay outlines.

What are the main features of Auto Highlight?

• Automatically highlights significant content on article pages
• Utilizes an algorithm based on term frequencies to identify important sentences
• Allows users to adjust highlighting coverage with multiple clicks
• Does not collect or transmit user data, ensuring privacy
• Source code available on GitHub for transparency and further development