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
Image reverse search
Adds an option to the context menu to reverse search an image on various services
Bible-WebApp
This widget uses Logos Bible Software's Biblia.com Bible API service to get the Bible text
Search in YouTube
Right-click on some selected text and find results in Youtube
Search Anime by Screenshot
Use anime screenshots to search where this scene is taken from.
Google™ Scholar
Easy access to Google Scholar right from toolbar popup
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".
Flag Plus
Shows country flag based on the server location for any website
PhotoTracker Lite
Fast and free one-click image duplicates search in Google, Yandex, Bing and TinEye.
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).
StartPage Search Extension
Unofficial StartPage.com search extension for Opera.
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.
Multi Sözlük
Get definitions for Turkish, English, German words through Tureng, TDK, Eksi Sozluk, Urban, Linguee
Aliexpress Search by image
Search goods on Aliexpress by image
Reverse Image Search
Adds a context menu item to search for similar images
Error 404 Wayback Machine
In case of 404 page, checks automatically for an archived copy in the Wayback Machine.
IP Address Finder
It uses a database of IP location addresses, provided from external service, that are associated to cities and to other informations
Power Thesaurus
View synonyms and antonyms by button in toolbar, right-click or by word selection on any page.
Gibiru for Opera
This extension adds Gibiru to your search engine list. You can type "x" before your query to search with Gibiru.
Ampare Search This on Youtube
Search Selection Text on Youtube
Capture, Reverse Image Search
is a powerful capturing reverse image search tool built on top of TinEye/Google Image engines
Secret Revealer - social advanced search engine
Reveals secret information from Facebook's profiles and other helpful information.
Search image
Right-click on some text and find its image with Google image search.
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.
GooglePanicImages
Displays a 'view' link above images from Google image search
“GeoClever” for search Google
Do you know how your position look for different cities?