Get the marklet extension for Safari
The marklet extension is the fastest way to add new websites to your marklet account. When you're browsing the web and come across a site you'd like to add to marklet, simply click the marklet button, select a category, and it will automatically be added to your account!
After clicking the button above, the safari extension will download automatically. If you are given the option, Open it.
If not, go to the downloads folder on your computer and open marklet.safariextz. On a Mac, the file will look like this:
You will then be promoted to install the extension. Click Install:
The m button will appear in the top left of your browser, next to the address bar.