Grammarly is the world's most widely used AI writing assistant — with over 50 million daily active users across its browser extension, desktop app, mobile keyboard and integrations with Google Docs, Microsoft Word and more. Its AI detects and corrects grammar, spelling, punctuation, style, tone and clarity issues in real time as you write. GrammarlyGO adds generative AI for rewriting, drafting and transforming text. Grammarly works across virtually every writing surface — if you're typing, Grammarly can check it.
Who is it for?
Everyone who writes professionally — students, business professionals, non-native English speakers, content creators and developers. Grammarly's free plan covers grammar and spelling for most users, while Premium adds style, tone and clarity improvements.