What is it

Grammarly is an industry-leading AI writing assistant now part of the Superhuman suite of tools. It goes beyond basic spell-checking by analyzing text for grammatical accuracy, clarity, engagement, and delivery in real time. The platform includes specialized AI agents for proofreading, paraphrasing, reader reaction analysis, and humanizing AI-assisted text, alongside a dedicated document editor and a cross-app AI assistant.

What it can do

It automatically detects and corrects grammar, spelling, and punctuation errors across over one million websites and desktop applications. Advanced capabilities include one-click full-sentence rewrites, tone detection and adjustment, generative AI drafting with monthly prompt allowances, plagiarism and AI-generated text detection, multilingual support with real-time inline translation, citation consistency checks, inclusive language guidance, and team-level style guides and brand tones.

Who is it for

It serves students writing academic essays with citation support, professionals drafting corporate emails and reports, content creators maintaining consistent brand voice, non-native English speakers improving fluency, and teams of up to 149 members seeking on-brand, compliant communication at scale.

Key Features

Real-Time Grammar & Spelling Check – Mistake-Free Writing

Catch grammatical errors, spelling mistakes, and punctuation issues instantly as you type across browsers, desktop apps, and mobile devices. Grammarly underlines issues in real time and provides one-click corrections, ensuring your writing is polished and professional before you hit send, whether in Gmail, Slack, Microsoft Word, or Google Docs.

AI-Powered Full-Sentence Rewrites – One-Click Polishing

Transform entire sentences and paragraphs with a single click to improve clarity, flow, and impact. The AI analyzes context and intent to suggest rewrites that maintain your meaning while making your writing more concise, compelling, or appropriately formal for your audience.

Tone Detection & Adjustment – Communicate with Confidence

See how your writing sounds to readers and adjust it to match your intended context. Grammarly detects whether your text is friendly, formal, confident, or cautious, then offers targeted suggestions to shift tone so your message lands exactly as intended in professional emails, casual chats, or persuasive proposals.

Generative AI Writing Assistant – Draft from Prompts

Generate text on demand by entering prompts to brainstorm ideas, create outlines, draft emails, and overcome writer's block. The free plan includes 100 prompts per month, Pro offers 2,000 prompts per member, and Enterprise provides unlimited generative AI usage for entire organizations.

Use Cases

Academic writing and research papers

Students and researchers use Grammarly to catch grammatical errors, ensure citation consistency, detect accidental plagiarism, and refine tone for formal academic contexts. The AI proofreader and paraphraser help polish essays, dissertations, and journal submissions before deadlines.

Business communication and emails

Professionals rely on Grammarly to draft clear, error-free emails and reports that match corporate tone standards. Real-time suggestions for clarity, conciseness, and tone adjustment ensure messages to clients, colleagues, and stakeholders are polished and persuasive.

Content creation and blogging

Writers and marketers use generative AI prompts to brainstorm topics, outline articles, and draft blog posts faster. Tone adjustments and vocabulary enhancements help maintain a consistent voice across platforms while readability suggestions keep audiences engaged.

Social media posting and marketing copy

Social media managers use Grammarly to craft concise, on-brand captions and ad copy across platforms. Cross-app integration means suggestions appear directly in LinkedIn, Twitter, Facebook, and Instagram, ensuring consistent quality without extra workflow steps.

Pricing plans

Frequently Asked Questions

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