Grammarly

Overview

Grammarly is a leading AI writing assistant that uses advanced natural language processing to provide real-time grammar checks, spelling corrections, style optimization, and tone adjustment. It integrates seamlessly across browsers, desktop applications, mobile devices, and office software, ensuring that users can write clear, professional, and confident English in virtually any context—from emails and reports to social media posts and personal notes.

Beyond basic grammar and spelling fixes, Grammarly offers full-sentence rewriting suggestions, vocabulary enhancement, plagiarism detection (in the premium plan), and tone adjustments targeted at different audiences. Its AI engine understands your writing intent from the surrounding context and delivers personalized suggestions that cover everything from academic papers and business correspondence to social media updates and creative writing.

Whether you are a student, a working professional, or a content creator, Grammarly significantly improves both writing efficiency and output quality. Trusted by more than 30 million users and 70,000 teams, it has become one of the world's most widely adopted writing assistants—helping people across the globe write with greater clarity and confidence.

Core capabilities

Grammar and spelling checks

Detect and correct grammar, punctuation, and spelling errors in real time.

Full-sentence rewrites

Suggest clearer, more concise, or more formal phrasing.

Tone detection

Analyze the tone of your writing and adjust the style for different audiences.

Plagiarism detection

Premium plan checks content originality to prevent academic misconduct.

Vocabulary enhancement

Recommend more precise or vivid synonyms to replace plain words.

Cross-platform integration

Works with Chrome, Word, Outlook, Google Docs, and more.

Personalized writing goals

Tailor suggestions based on purpose, audience, and style.

AI text generation

Use generative AI to quickly draft or refine content.

Use cases

Writing academic papers with accurate grammar and a formal style

Adjusting tone to be more professional and appropriate in business emails

Optimizing readability and expression when creating blog posts

Avoiding spelling mistakes when publishing content on social media

English learners improving writing skills through real-time feedback

Unifying document style and language standards during team collaboration