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Grammarly

By Grammarly

AI writing assistant for grammar, tone, and clarity that runs as a browser extension and inline across Word, Gmail, Slack, and most editors. Generative-AI features include rewriting, drafting, and brand voice consistency.

Best for

  • catching grammar and tone issues across every app
  • rewriting for clarity without leaving the editor
  • team-wide consistent brand voice
  • non-native English writers
Recent changes
  • May 26, 2026Added — AI writing assistant for grammar, tone, and clarity across every app.

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