Best Grammar Checkers 2026

WritingTool is a LibreOffice extension for spelling, grammar and style checks in long documents.

Lexicon provides grammar, style and tone tools through browser extensions and Linux, macOS and Windows apps.

Wordeep gives real-time English grammar and spelling suggestions on Android, iOS, desktop and the web.

Korr offers grammar and style suggestions through a browser extension, web app and Windows desktop app.

Ghotit checks writing through desktop and iOS apps, with style suggestions and no browser extension.

Sentence Checker checks sentence structure plus grammar, punctuation, vocabulary and spelling in its online tool and extension.

GemType provides writing tools on Windows, macOS, Linux and the web, with a browser extension.

Typlx suits writers who want offline grammar checks, custom rules, and a personal dictionary.

Outwrite may suit students, professionals, casual writers, and teams seeking writing suggestions across supported online tools.

GaelGram provides automated Irish spelling and grammar feedback on Android, iOS, Windows and the web.

Correct Me checks grammar, spelling, punctuation and sentence structure on Android, iOS and the web.