https://addons.opera.com/da/extensions/details/mobi-reader/
View MOBI documents right in your browser in a stand-alone popup window.
mobi readeradd onsopera
https://addons.mozilla.org/en-US/firefox/addon/mobi-reader/?utm_source=addons.mozilla.org&utm_medium=referral&utm_content=search
Download MOBI Reader for Firefox. View MOBI files right in your browser in a stand-alone popup window.
mobi readergetextensionfirefox