YANTAN replaces new tab of your Google Chrome. It provides a notepad which is possible to be written in Markdown, and you can put your favorite image on background. The notepad is optimized for markdown means can be task list as well.
In the bottom right, there is a 'preferences' button.
Then, you can change preferences as you like.
Also you can put your favorite images.
In preferences, you can adjust image filter. You do not have to any software to edit photos. Of course you can change font color as well.
Just click center of main side, it shows you a textarea. Then you can take a note in Markdown. It is possible to use tasklist syntax, means it is not only note, it can be to-do list as well.