MOBI Reader is an extension for the web browser to view mobi files. It is compatible with Chrome, Firefox, and Edge.

This free extension is for people who want to open and view MOBI files. The best thing is that you can open your documents in a new window. If you use Chrome, it is very easy to use it. For example, you can find your mobi file in the Downloads folder. If you select the link, you can open the file in a new window. 

The first time you install MOBI Reader, you will be required to do the setup. The next time, you will be ready to view the files.