Automattic/harper
Offline, privacy-first grammar checker. Fast, open-source, Rust-powered
Rust15K stars579 forks+590 today
Topics
#developer-tools#english-language#grammar-checker#rust#webassembly#chrome-extension#nodejs#react#svelte
What it does
Harper is an offline, privacy-focused grammar checker written in Rust that operates in milliseconds with minimal resource usage. It addresses the shortcomings of existing tools like Grammarly and LanguageTool by ensuring user data remains private.
Star history
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Tracking
- Last trending
- 2026-07-23
Creator kit
Hook
Revamp your writing workflow with Harper, the lightning-fast grammar checker that keeps your privacy intact. 🚀✨
Content angles
- A deep dive into how Harper's architecture ensures both speed and security in a grammar checking tool.
- Comparison review: Grammarly vs. Harper - Which one is better for content creators?
- How-to guide: Integrating Harper with your favorite text editor for seamless writing experience.
Who should care
Developers, privacy-conscious writers, and anyone looking to improve their grammar without sacrificing data security.