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Speed-Up Browsing
Speeds up browsing over the time, by adding missing Cache-Control response headers.
Annotating the Web
Add-on, by Mediamaster.eu, to easily add annotation functionality to any webpage
Group Your Tabs
Group opened tabs in a pretty list
QR Code Reader
a multiple QR- and bar-code scanner that supports scanning from webcam and local images
Open in PDF Viewer
Easily open desired links in a PDF viewer.
Todoist for Opera
使用Opera版Todoist管理邮件
Ad Blocker for Facebook™ App (Video & Images)
Blocks video and image ads from the facebook app news feed. And it actually works
AutoTabRefresh
Refresh your browser tab automatically at the desired interval.
2FAS - Two factor authentication
2FAS extension is simple, private, and secured: one click, one tap, and your 2FA token is automatically entered!
Calculator
Visually appealing simple calculator! can be used with mouse or keyboard
Bookmarks Manager and Viewer
An elegant bookmark manager with fuzzy search and more
Category Tabs for Google Keep™
更好地整理您在Google Keep上的笔记
Google™ Keep
Google Keep is the easiest way to store your notes while you browse internet
Open in IE™
Open links in IE (Internet Explorer)
Screenshot YouTube Video
Quickly extract video frames from YouTube and OK.ru and save to JPG images with just one click.
Print
打印当前网页
GOOGLE APPS
All google web apps with a single click
Close & Clean
Close all tabs and windows and clean up Opera in one single click
Cache Cleaner
Easily clear browser's cache via toolbar popup.
Microsoft Apps
access services easily microsoft
Emoji
It permits just with a single click to copy an emoji.
Hero Citation Generator
APA, MLA, Harvard, Chicago, IEEE bibliography and citation generator.
YouTube™ Flash-HTML5
Play YouTube Videos in Flash or HTML5 Player
Speed Tweaks
Speed up your browser with few tweaks via toolbar popup!
Save Tabs
Save and restore all tabs from toolbar popup!
Boomerang for Gmail™
Allows you to schedule messages to be sent or returned at a later date.
Reader View
Open any page in reader view mode; light, dark or sepia and clutter free.
Video Converter
Convert any video file to selected formats (i.e. mp4) inside your browser!
Twitter Video Downloader | Fast and Free
Download Twitter Videos - Save any Twitter video and gif with one simple click. free, fast & easy to use.
Quick QR Code Generator
Opera上好评率最高的二维码生成器:可以方便地把当前页面转化成二维码,也可以把网页上任何文本或链接,甚至是您输入的任意内容都转化成二维码
Proxy Finder (IP Switcher)
Change your geo-location with one click
PageExpand
All Image Download. Image Zoom. Expand Thumbnail and Audio and Video. Expand the short URL. Override Referer. Extend BBS. etc...