I rmend the free version of Grammarly to most writers as it powerful and will capture and fix more errors than traditional checkers. You can also use Grammarly anywhere and it can check for tone of voice and matters of style (to see it in action read my ge s ). That said here are some other options Microsoft Word Docs Yes I know but the grammar checkers in Word and Google Docs work fine if youre in a hurry and have no money. Google Docs works from anywhere so bonus points for that. 1Checker This was developed by a team from the University of Cambridge as a tool for non-native English speakers. It works via your browser. Slick Write This is a free cloud-based proofreading solution that allows users to check their documents for grammatical errors and stylistic issues. You can write directly in Slick Write via your browser. Paper Rater Many of the features of Paper Rater are limited in the Basic subscription so users who want access to the full capabilities will need to upgrade to a paid subscription that costs around $11 per month. Reverso Known for its translation capabilities Reverso features a spelling and grammar checker. It powered by Ginger an accurate Grammarly alternative. SentenceCheckup This tool is ideal for those who want to improve their sentence structure and improve readability. It works like 1Checker. LanguageTool LanguageTool is easy to use. All you have to do to utilise the tool features is copy and paste your content into the online box and click on the Check Text button. it alsoes with a Chrome extension. Hemingway Editor Technically not a grammar checker this tool is better for self-editing. It also free but you can buy a version that works offline. If you want more detailed advice I write a long ge about the best grammar checkers for 22 s . Free tools aside it always a good idea to send longer pieces of writing (like a book or longer article) to a professional proofreader to check. A professional will find and fix errors that a writer or even software can miss.