You can use this to access and edit existing notes, create new ones, and share with other iCloud users. Once you’re in, click on “Notes” to see a web-based version of the Apple Notes app. You should only trust personal computers and smartphones that you own, and never trust a computer or device that you share with others.
You may need to pass a two-factor authentication check, so make sure you choose to “Trust” this computer if you want to log in faster in the future. With your Mac, iPhone, and iPad now syncing Apple Notes to iCloud, you can access them using a web browser by heading to and logging in with your Apple ID. Access Apple Notes via iCloud in a Browser
Once enabled, new notes will be placed in iCloud by default.