In today’s fast-paced world of digital communication, clear and correct writing can make all the difference. Whether you’re polishing an important email, drafting a novel, or submitting a job application, using a modern grammar checker ensures your message is professional, error-free, and engaging. The latest tools go beyond catching typos—they improve tone, suggest better phrasing, and enhance readability, all while staying easy to use and accessible for everyone.
Below, you’ll find seven of the best grammar checkers available, covering every type of user—from students and teachers to professionals, creatives, and those who prefer low-tech simplicity. Both free and premium options are included, with coverage for web, desktop, and mobile.
Grammarly
Best for: Students, professionals, writers, and anyone who wants a comprehensive, real-time writing assistant for all platforms.
Grammarly is the most popular grammar checker today, known for its clean interface, accuracy, and wide-ranging features. It offers spelling, punctuation, and grammar checks, as well as style and tone suggestions. Grammarly can be used via browser extension, Google Docs, Microsoft Office, or its own desktop and mobile apps. Premium plans offer clarity improvements, sentence rewrites, and plagiarism detection. Its free plan covers the basics, making it accessible for most users.
ProWritingAid
Best for: Authors, editors, and advanced writers who need in-depth stylistic analysis and feedback on long documents.
ProWritingAid serves as a virtual writing coach, perfect for creative and long-form content. It goes beyond basic checks with detailed reports on pacing, overused words, clichés, and consistency. Integrations with Word, Google Docs, and browsers are included. The free version is limited (500 words at a time), while premium unlocks all features, including custom style guides and plagiarism checks. It’s ideal for writers who want granular control and deeper stylistic insights.
QuillBot
Best for: Budget-conscious students and content creators who want a free, easy-to-use grammar checker and paraphraser.
QuillBot offers an impressive free grammar checker with a simple interface and an effective “Fix All Errors” button. It links to a paraphrasing tool for rewriting sentences. No sign-up is needed, and grammar checking is always free. While not as deep as some paid apps, QuillBot is perfect for quickly cleaning up essays, emails, or drafts and refreshing your wording with minimal effort.
Wordtune
Best for: Busy professionals, bloggers, and creatives seeking AI-powered rewriting and tone adjustment.
Wordtune is an AI writing companion built for sentence rephrasing and tone shifts. Highlight a sentence, and it suggests alternatives—more formal, concise, casual, or expanded. It integrates with browsers, Google Docs, and Microsoft Word. The free plan allows limited rewrites per day, while premium offers unlimited suggestions. Wordtune is especially handy for non-native English speakers and anyone wanting a clearer, more compelling writing style.
LanguageTool
Best for: Multilingual writers, privacy-conscious users, and those seeking an open-source alternative.
LanguageTool supports grammar and spell checks in 20+ languages and auto-detects the language of your text. Its suggestions rival Grammarly’s, and it offers an AI-powered rephrasing tool. Use it via browser, web editor, add-ons, or desktop app. Free for basic use, with premium plans for deeper checks and custom style rules. It’s open-source, so privacy-minded users can even self-host it. LanguageTool is mature, flexible, and especially valuable for writers who work in more than one language.
Microsoft Editor
Best for: Microsoft 365 users and office professionals who want a built-in writing assistant.
Microsoft Editor is included with Microsoft 365 (and has a basic free version). It integrates with Word, Outlook, and browsers, offering spelling, grammar, and clarity checks. Supports 20+ languages and is improving fast. It’s not as nuanced as Grammarly for advanced editing, but for everyday emails and documents, Editor is a practical and cost-effective choice for anyone already using Office.
Hemingway
Best for: Creative writers, bloggers, and anyone who wants to simplify writing and improve readability.
Hemingway Editor isn’t just a grammar tool—it helps you write clearly and boldly by highlighting complex sentences, passive voice, adverbs, and hard-to-read sections. The simple, color-coded interface makes it easy to spot areas for improvement. No login is required for the free web version; a one-time-purchase desktop version is also available. Hemingway is perfect for writers who want more impact with fewer words and less fluff.
Whether you’re a student, business professional, or creative, the right grammar checker can elevate your writing—making it clearer, more polished, and more effective. From robust, real-time editors like Grammarly to specialized style tools like Hemingway, there’s a solution for every workflow and budget. Choose the one that best fits your writing habits and needs, and start writing with confidence today.