Adding Search Engines | Opera forums
Mar 13, 2019 Opera Web Browser | Faster, Safer, Smarter | Opera Get a faster, better browser. Opera's free VPN, Ad Blocker, integrated messengers and private mode help you browse securely and smoothly. Share files instantly between your desktop and mobile browsers and experience web 3.0 with a free cryptowallet. Opera (web browser) - Wikipedia
So if you want to search with DuckDuckGo from the address bar, just type d [and your search from the address bar]. So you can search from the Opera address bar with almost any search engine, by just adding it to Opera (at the search website) (finding the initial (s) to precede your search. Dogpile is do [plus the search] (once you add it to Opera).
Aug 23, 2019 Opera Mini - fast web browser - Apps on Google Play
Chromosome X Search is awesome it looks really nice. But I only have 1 complain. The search engine needs settings to change the app it opens up. It opens up Microsoft Edge and I really do not like Microsoft edge. So it needs settings to change the app it opens, for ex Mozilla Firefox, Google Chrome, safari, Opera, and etcetera.
Apr 05, 2020 Search the web - Opera Help For example, type www.opera.com and press Enter to navigate to the Opera Software homepage. Change the default search engine. Opera’s default search engine is Google, but you may prefer to search using Yahoo!, DuckDuckGo, Amazon, or Wikipedia. To change the default search engine: Go to Settings (Preferences on Mac). Click Browser on the sidebar. Opera Browser Review: How Secure is it in 2020 ? | VPNpro