Does Grammarly work offline?

No. Grammarly requires an internet connection as its advanced suggestions and AI models are cloud-based.

Is my writing data used to train AI models?

No. Grammarly states it does not sell customer text or use it to train its models, especially for enterprise and education accounts.

How does Grammarly for Education work?

It provides institution-wide licenses, administrative controls for AI features, and the Authorship tool to track student writing processes.

What is 'Grammarly Authorship'?

An analytics feature that gives instructors a timeline view of how a document was created, including typed vs. AI-generated text and source research.

Can I use Grammarly in my own app or platform?

Yes, Grammarly offers an API and SDK for developers to integrate its writing assistance into third-party applications.

How does the tone detector work?

It uses NLP models to analyze word choice and phrasing, categorizing the emotional tone (e.g., confident, friendly, analytical) to help match your intent.

Directory/Copywriting/AI Assistants/Grammarly

Grammarly

Grammarly is an AI writing partner that provides real-time suggestions for grammar, spelling, punctuation, clarity, and tone. It integrates across desktop apps, browsers, and mobile devices, offering a comprehensive suite of writing tools including a grammar checker, plagiarism detector, paraphrasing tool, and generative AI for brainstorming and drafting. Targeted at professionals, students, and teams, it helps users improve writing quality and consistency. The platform supports multiple languages and offers enterprise-grade security, with features like brand tone customization for businesses and authorship tracking for educational integrity.

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Added on

Sep 22, 2026

Monthly Visits

54M

AI Writing AssistantGrammar CheckerPlagiarism CheckerTone DetectorGenerative AICross-PlatformMultilingual

Product information

Everything worth knowing about Grammarly

The complete picture — from everyday features to the technical detail builders and IT folks dig for.

Core features

What it actually does

Grammar and Spelling Corrections

Real-time, high-quality writing assistance for grammar, spelling, and punctuation errors.

Generative AI for Ideation

Optional AI tool for brainstorming and outlining to help start writing projects.

Explanatory Writing Suggestions

Provides explanations with suggestions to help users understand and strengthen their writing skills.

Authorship Reports

Tracks and visualizes the writing process, showing the source of text (human-typed vs. AI-generated).

Multilingual Support

Writing assistance in English, Spanish, French, German, Portuguese, and Italian, plus instant in-line translation in 19 languages.

Technical capabilities

Cross-Platform Integration

Works across 1 million+ apps and websites, including LMS like Canvas, Blackboard, and Moodle, plus desktop, browser, and mobile apps.

Must watch videos

How Grammarly is Transforming Higher Education with AI

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Tutorial1:55

How Grammarly is Transforming Higher Education with AI

Higher education leaders from across the country share how Grammarly for Education is helping them tackle longstanding challenges — from reaching every student to freeing up faculty to focus on mentorship and meaningful guidance. With Grammarly, institutions like ASU, Texas A&M, and Indian River State College are creating more personalized, high-quality learning experiences for students at every level with AI– while empowering faculty to direct more of their energy to what really matters.

Check Your Work for AI With Grammarly’s AI Detector

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Tutorial0:45

Check Your Work for AI With Grammarly’s AI Detector

Make sure your writing passes the test. Grammarly’s AI Detector helps you keep your work original and credible by flagging areas that sound AI-generated so you can revise it before you submit. Learn more at https://gram.ly/4ptf4Gd. Grammarly’s new writing surface is loaded with AI agents that understand the assignment. We’re talking: • Proofreader, which sharpens your thesis, strengthens your structure, and improves your phrasing as you write • Expert Review, which gives you feedback inspired by subject-matter experts in your field • Citation Finder, which scans your writing to identify claims that need support—and finds credible sources that back you up or push you to reconsider your points • Plagiarism Checker, which flags unintentional similarities and citation gaps by scanning your work against academic and online sources The list goes on. Unlike other AI platforms, Grammarly is focused on helping students use AI without breaking their school’s academic integrity policies. Plus, it ensures your unique voice is preserved, even when you’re working with AI. It’s your essay, after all; it should sound like you. Follow Grammarly on Instagram and LinkedIn.

Your Introduction to AI for Students Using Grammarly

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Your Introduction to AI for Students Using Grammarly

Discover how you can harness the power of generative AI responsibly to take your writing skills to the next level, get better grades, and prepare for your future career. Get started with Grammarly today at https://gram.ly/3RVlyiR.

Who uses it

Real use cases, no hype

Academic Writing

Improve essays, research papers, and assignments with real-time feedback and plagiarism checks.

Business Communication

Craft clear, professional emails, reports, and presentations that reflect well on your brand.

Content Creation

Polish blog posts, social media copy, and marketing materials for maximum impact.

Learning & Development

Students build writing skills through explanatory suggestions, not just auto-corrections.

Team Collaboration

Enforce consistent brand voice and style across all company communications.

Localization

Instantly translate content and ensure grammatical accuracy across multiple languages.

Accessibility Support

Help non-native speakers and users with writing difficulties communicate more effectively.

What's great

Unmatched platform integration (1M+ apps)
Real-time grammar & style corrections
Useful generative AI for brainstorming
Strong enterprise security & data controls

Technical strengths

Authorship feature tracks writing process
Multi-language support with inline translation
Customizable style guides & tone for teams

Where it falls short

Pro plan is subscription-only
Advanced features locked behind paywall
Can be overly intrusive in some editors
AI suggestions sometimes miss nuanced context

Technical limitations

Limited offline functionality
Plagiarism checker only for Pro users
Browser extension can cause performance lag

For technical folks

The deep-dive specs

NLP Engine

Transformer-based large language models

Integrations

Browser extensions, Desktop apps, Mobile apps

Security

SOC 2 Type 2, Enterprise-grade privacy

AI Features

Generative AI, Context-aware agents

FAQ

Includes technical Q&A

Free includes basic grammar, spelling, and punctuation. Pro adds advanced clarity, tone, full-sentence rewrites, plagiarism detection, and generative AI.