Mobile Browser
- iOS The Opera Mini browser for iPhone and iPad saves you up to 90% of mobile data, blocks ads to increase browsing speed, and features a built-in news feed. It’s free
- Android Whether it’s with Opera or Opera Mini, you will experience the fastest and most secure mobile browser available for your Android device. Both versions come complete with a built-in ad blocker, data savings, and news feed.
- Basic phones - Cut down your data usage dramatically with Opera Mini, the world’s most popular mobile browser available on almost any phone.
- They have an addon that permits using Chrome extensions on Opera.
 Desktop Browser
 eBook Reader
- https://addons.opera.com/en/extensions/details/epubreader/ ePubReader, see EPUBReader
- https://addons.opera.com/en/search/?query=ePub more choices
- https://addons.opera.com/en/search/?query=Kindle Manipulate but not read.