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Character Count
Count the letters in the text. Also provide information related to number of non-whitespace characters, words and lines
Calculator
Visually appealing simple calculator! can be used with mouse or keyboard
Area of a Triangle
Compute area of triange give base and height of triangle or all three sides of triangle. Also computes side of triangle given others
Area of a Circle
Calculate area of a circle given any of the following, radius, diameter or circumference and vice versa
YouTube Lyrics by Rob W
Instant lyrics on YouTube, Spotify and other sites in a flexible panel. 40+ sources ensure that lyrics are always found
APR to APY
Convert Annual Percent Rate to Annual Percent Yield based on various compounding methods ranging from daily to yearly
Angle Conversion
Convert among measure of angle viz., degree, radian, mil, grad, minute, second, point, circle etc.
YouTube-SortByDate
Provide quick sorting by date option on YouTube search page.
TinEye Reverse Image Search
This is the official TinEye Opera extension. Find out where an image came from, how it's used, or find higher resolution versions.
Kubana Bar
TelefUM_for_Opera
Cashback IT-Bestshopping
LinguaLeo Translator
A leading language learning platform that makes learning fun - LinguaLeo.com.
modern scroll
将滚动提升至全新水平
微博环卫工
Free Mobile Auto Login
Net Radio
Play drums!
Play drums on your keyboard (letters only)
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
DuckDuckGo for Opera
为浏览器提供简单无缝的隐私保护。
Reverse Image Search
Adds a context menu item to search for similar images
MyShows Links Adder
Reddit Enhancement Suite
A suite of modules that enhance your Reddit browsing experience
Kursy walut NBP
Currencies based on Polish National Bank current average exchange rates of foreign currencies.
Akari URL Shortener
Akari will reduce the presence of your URL. Uses waa.ai API to generate short URLs.
GCTableSorter
Makes list and tables sortable (on geocaching.com)
Seesu Music
Music search, player and meetings. Powered by last.fm and others.
Ambient Aurea
Instantly craft stunning photo galleries with ambient lighting effects in a single click.
Рейтинг Кинопоиска для телепрограммы
Documents
Viewer for online documents (e.g. PDF, MS Word)
PageExpand
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...
Twitter Redirect Fixer
Twitter adds redirection to all shared links to learn what links you click. This extension removes redirection (Twitter + 3rd-party) to protect your privacy. As a side-effect, all links will load faster.