Grammarly

Grammarly is the world’s most ubiquitous AI writing assistant, evolving far beyond a simple spell-checker into a comprehensive communication coach. Installed as a browser extension, desktop app, or mobile keyboard, it follows users across every platform—from Slack and Gmail to Google Docs and LinkedIn—ensuring their writing is clear, concise, and mistake-free. Its advanced AI analyzes sentence structure to offer suggestions on tone (e.g., "This sounds too aggressive, try softening it"), clarity, and engagement. For enterprise teams, Grammarly Business enforces company style guides, ensuring that every employee uses the correct terminology and brand voice. Its new generative AI features allow users to rewrite entire paragraphs with a single click, instantly shortening a wordy email or expanding a bulleted list into a formal report. By silently correcting millions of errors daily, Grammarly serves as the invisible quality assurance layer for the internet's professional communication.