GrammarCheck

What is GrammarCheck?

GrammarCheck is an online tool that helps you polish your writing by spotting and fixing mistakes in grammar, punctuation, and spelling. It provides instant feedback in a simple interface, making it a convenient way to improve the accuracy and professionalism of anything you write before you share it.

Who created GrammarCheck?

GrammarCheck got its start in the late 1990s, making it the internet’s first online grammar checker. The exact person or team behind it remains unknown, but the company has evolved over time. Privacy is a priority: texts are not stored on its servers — they are kept temporarily in your web browser’s cache instead. Users value how fast and simple it is, and the tool goes beyond grammar to check spelling, punctuation, word choice, and writing style.

How to use GrammarCheck?

1. Paste or type your text into the online editor.
2. Click “Free Check” to scan for common grammar, spelling, and punctuation errors.
3. Run “Deep Check” for a more thorough review. This catches trickier issues such as wrong word usage, punctuation slips, run-on sentences, and style problems.
4. Unlock advanced suggestions by installing the GrammarCheck app or a browser extension, then reloading the page.
5. Review the underlined words or phrases, click them to see suggested corrections, and apply the ones you want.

Who is it for?

GrammarCheck is useful for students, professionals, teachers, language learners, and proofreaders who want to improve their English writing. Even native speakers can find it helpful for catching small mistakes that slip through.