W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
Access to TweetDeck. For Opera 29+ only.
This app invisibly monitors your friends and VK users activity.
Remove bookmark in one click
Allows you to delete a bookmark by clicking on the heart
An easy-to-use blog editor lets you post to all of your blogs.
Google Background Image
Custom background image for your Google homepage
Computes Love compatibility between two names based on letters and words. Just for fun!
Simply Fill Forms with SimpleFill. The Simplest and Easiest Form Filler ever.
Download every YouTube video you want and you can download them as HD MP4, FLV, 3GP, MP3, M4A and AAC formats. With the click off an mouse button!
FIFA™ Panel View
FIFA™ Popup View is the easiest way to surf FIFA while you browse internet
The most popular radio stations in France.
Generates BBCode for inserting URLs, Youtube Videos and images.
Daily Deviations (deviantArt)
Get the daily deviations from deviantArt right in your speed dial.
Youtube to mp3 converter
Converts Youtube, Vimeo and many other video sites to mp3.
Download music odnoklassniki.ru in one click. size and bitrate songs, the normal song titles when saving.
SafeInCloud Password Manager
This extension allows to paste passwords from SafeInCloud application.
Control Amazon music player, Spotify web player, Groove (Xbox) music player, and YouTube (HTML player only) without switching tabs.
Url in title
Appends the domain name of each tab to its title.
Cobra Online Security ATD
Protects your privacy from Phishing, Scamming, Malwares, Harmful Js and online threats. Advance Threat Defense for your browser.
Erase the history, switch between no proxy and Tor , blocks some common attacks and trackers and more !
HideMyAss - Free Web Proxy
Use free web proxy to surf anonymously online, hide your IP address, and protect your online identity.
Take notes, download image and create to do with drag and drop. Sync with IOS, Android devices, gtask, evernote
Custom New Tab Page
Allows you to set a custom new tab page
Puzzle Picture Game
Puzzle Picture Game - cool online puzzle in your browser!
Simple Email Ad Blocker
Simple Gmail™ and Outlook Ad Blocker. Hides the Ads from your Inbox.
This expansion has been gathered and new music trend from which your friends will be delighted just a month.
The Green Web
Automatically check the sustainability of a website with The Green Web add-on.
Keeps track of account status and alerts of new Ads, Surveys and Tasks
Remove official Facebook, Google Plus, Twitter and VK, Odnoklassniki, Mail.ru buttons. Stop tracking your browser history and transferring your data to advertising agency.
Convert from one currency to another and create and share custom set of currency conversions