Leudachain
Qwant for Opera
Qwant Extension defines qwant.com as your default homepage and search engine.
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
Поиск по картинке
Search the picture in the services of Yandex, Google, TinEye and Bing
TinEye Reverse Image Search (Context menu)
This is the official TinEye Opera Next extension. Find out where an image came from, how it's used, or find higher resolution versions.
Safe Torrent Scanner
Search the web
Sidebar for Google™ Search
Easy Access to Google search via Sidebar UI
Image reverse search
Adds an option to the context menu to reverse search an image on various services
Search in YouTube
Right-click on some selected text and find results in Youtube
StartPage Search Extension
Unofficial StartPage.com search extension for Opera.
Google Reverse Image Search
is a powerful capturing reverse image search tool built on top of Google Image engine.
Image Searcher
Search similar image by "Google search by Image".
Search Anime by Screenshot
Use anime screenshots to search where this scene is taken from.
Google Reverse Image Search
Right-click on an image and perform a search by image on Google. Refresh of s-a-s-h's work. Icon by Daniel Bruce (Entypo Pack).
PhotoTracker Lite
Fast and free one-click image duplicates search in Google, Yandex, Bing and TinEye.
Google™ Scholar
Easy access to Google Scholar right from toolbar popup
Reverse Image Search
Adds a context menu item to search for similar images
View Page Archive & Cache
View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archive.is, Google, Bing, Yandex, Gigablast, WebCite, Sogou, Memento, Naver and Yahoo Japan.
Flag Plus
Shows country flag based on the server location for any website
Power Thesaurus
View synonyms and antonyms by button in toolbar, right-click or by word selection on any page.
Bible-WebApp
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
Aliexpress Search by image
Search goods on Aliexpress by image
Search image
Right-click on some text and find its image with Google image search.
Multi Sözlük
Easily search selected text on Tureng, TDK, Eksi Sozluk, Urban Dictionary
Image Searcher Yandex
Search similar image by "Yandex search by Image".
Similar Sites
Instant access to the best sites related to the one you are browsing!
Yandex.Info
Yandex.Info offers contextual tips on sites you visit. It can clarify a word or phrase without distracting you from your reading.
Secret Revealer - social advanced search engine
Reveals secret information from Facebook's profiles and other helpful information.
Capture, Reverse Image Search
is a powerful capturing reverse image search tool built on top of TinEye/Google Image engines
Ampare Search This on Youtube
Search Selection Text on Youtube
IP Address Finder
It uses a database of IP location addresses, provided from external service, that are associated to cities and to other informations
prevweb
Open previous versions of a web page from the Wayback Machine or Google Cache, using a context menu on links.
Search Protector - Protect your search
Browser extension that prevents Google and Yandex search pages from modifying search result links.