Grammarly is a popular extension for Google Chrome, Microsoft Edge, and other browsers that helps users correct poor grammar and other writing errors. For now, though, Microsoft is developing its own “Grammarly” and offering it to Chrome users as an enhancement to existing Office extensions.
Twitter user Florian B detailed an extension called Microsoft Editor in a recent tweet, showing that the extension is currently in preview. It’s not clear how he received and enabled it, but it means it was updated through the Office extension for Chrome.
Judging from the picture, this one checks the syntax and suggestions as you type on the site. There are also buttons to check spelling, grammar and other improvements. Other options include changing the proofing language and displaying synonyms on spelling suggestions to help improve vocabulary. You can also prevent some websites from using proofing to help speed up loading.