Convert from meters to feet, centimeters to inches, inches to feets. Range of common length conversions are available
HTML to Text
Extract Text from HTML code and make the content more readable than code
How many Millions in a Billion
Convert among large number like million, billion, trillion and so no...
Future Value Calculator
Calculate future value of present asset or cash based on potential interest rate and inflation
Encode Decode HTML
Encode HTML to show it in the HTML pages a code instead of rendered HTML. Decode HTML to convert it back to HTML code
Encode Decode Base64
Converts from ASCII or Unicode to Base64 by encoding the text and back from Base64 to ASCII or Unicode by decoding it
QCLean:Remove Facebook Ad,Suggested Page&Post
Remove ads, suggested pages and posts on News feed of Facebook.
Amazon for Opera
Ceci est une officielle d'Amazon Extension pour Opera
Search Engine Result Counter
Adds a counter to search Engine Results to see the rank and to clearly distinguish results from adds. Supports Google, Bing, DuckDuckGo, Startpage, Yahoo and Yandex
Count the letters in the text. Also provide information related to number of non-whitespace characters, words and lines
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
Convert among measure of angle viz., degree, radian, mil, grad, minute, second, point, circle etc.
Provide quick sorting by date option on YouTube search page.
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.
A leading language learning platform that makes learning fun - LinguaLeo.com.
Une nouvelle expérience dans la gestion du défilement
Scroll To Top
Scroll to top and vice versa in a window.
Free Mobile Auto Login
Insert automatiquement votre identifiant Free mobile sur la page d'identification de votre espace abonné.
Play drums on your keyboard (letters only)
Terms of Service; Didn’t Read
Get information instantly about websites' terms of service and privacy policies, with ratings and summaries from the “Terms of Service; Didn’t Read” project.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
DuckDuckGo for Opera
Vie privée, simplifiée. Permissions*** pour bloquer les trackers cachés qui rôdent partout.***
Reverse Image Search
Adds a context menu item to search for similar images