AI-powered desktop writing assistant for grammar correction, rewriting, and translation with global keyboard shortcuts.
Cost / License
- Freemium
- Proprietary
Platforms
- Windows
- Mac




Harper is described as 'English grammar checker designed to be just right. I created it after years of dealing with the shortcomings of the competition' and is a Grammar Checker in the development category. There are more than 50 alternatives to Harper for a variety of platforms, including Web-based, Mac, Windows, Google Chrome and Mozilla Firefox apps. The best Harper alternative is LanguageTool, which is both free and Open Source. Other great apps like Harper are Grammarly, DeepL Write, Grammit and Refine.
AI-powered desktop writing assistant for grammar correction, rewriting, and translation with global keyboard shortcuts.




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