Best AI grammar checkers
13 tools for spelling, grammar, style checks, compared side by side.
The ranked list
Offers proofreading, tone suggestions and paragraph rewrites, with a free plan of 100 AI prompts. Pro adds plagiarism and AI-generated text detection, and it also does rewriting and paraphrasing.
LanguageTool: AI grammar, spelling, punctuation and style checker in 30+ languages, with a paraphraser, for students, professionals and teams.
Corrects spelling, grammar and punctuation and suggests word and sentence alternatives, with tone selection for an audience. A free plan includes 50,000 characters per user per month.
Ginger is an AI writing assistant that corrects grammar, spelling and style and suggests rephrasing, for business customers and educators and students.
Outwrite is an AI writing assistant that checks spelling, grammar, style and structure in web apps and browsers, for students, professionals, casual writers and teams.
Paperpal is an AI academic writing tool for researchers and students, covering grammar, plagiarism checks, paraphrasing, citations and submission checks.
Mainly a rewriting and paraphrasing tool that also proofreads for spelling, grammar and phrasing. It runs as a browser extension and on mobile, with a free Basic plan of 10 rewrites per day.
ProWritingAid is a writing toolkit for storytellers and book writers, offering manuscript feedback, grammar checks and a free plan with daily limits.
Rytr is an AI writing assistant for copywriters, marketers, entrepreneurs and freelancers, with a free plan of 10k characters per month.
Enhancv is an AI resume builder with ATS checks, one-click job tailoring, and an application tracker, aimed at job seekers and experienced professionals.
Writefull is an AI writing and proofreading tool for academic writing, offering language checks, paraphrasing and a Word add-in for academics, researchers, students and institutions.
Sapling: an AI writing copilot and API offering grammar checks, autocomplete and AI detection, for developers and businesses.
Trinka is an AI writing assistant for grammar, proofreading, paraphrasing, and plagiarism or AI detection in academic and technical writing, for students, researchers, and professionals.