拡張機能
Google Keep Sidebar
Access to Google Keep website on the sidebar.
Atavi bookmarks
全デバイスとブラウザーのブックマークを同期
Gmail Notifier
Notifies you about unread e-mail in your Gmail account.
User-Agent Switcher
Quickly and easily switch between popular user-agent strings.
Tab Suspender (Tab Unloader)
Automatically suspend (hibernate) inactive tabs to free up system resources
EverSync - Sync dials, backup dials
Synchronize your bookmarks, FVD Speed Dials. Secure online access. Backup, restore your bookmarks. Sync favorites between computers
Homepage in New Tab
This extension enables you to set homepage and open in new or current tab.
Black Menu for Google™
Google universe への最も簡単なアクセスを提供します
Close & Clean
Close all tabs and windows and clean up Opera in one single click
Open in VLC media player
Adds a context menu to send audio and video streams directly to the well-known VLC™ media player
Video Recorder
Easily record video & audio from your computer's camera
Reddit Enhancement Suite
A suite of modules that enhance your Reddit browsing experience
Page Screenshot
Take a screenshot from the entire website with just one click.
WEB.DE MailCheck
The safe way to access your personal mail.
Buster: Captcha Solver for Humans
Save time by asking Buster to solve captchas for you.
SimpleProxy
A simple proxy management tool
Peek
Preview documents, videos, music and more before you download them.
Retruco Eliminate Anti AdBlock
Removes fixed message from Ad-Block blockers
Open in PDF Viewer
Easily open desired links in PDF viewer
Steam Trader Helper
This extension facilitate the work on the Steam Community Market.
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
Raindrop.io - Smart Bookmarks
"Save Button" for Web
Google™ Keep
Google Keep is the easiest way to store your notes while you browse internet
Smart RSS
RSS Reader for Opera 15+!
StopAll Ads
SAY GOODBYE TO ADS! Browse Safely. Optimize Surfing.
Avira Password Manager
Avira Password Managerはあなたのパスワードやメモをすべてのお使いのデバイス上に生成、保存、管理、同期します。
AdBlocker Lite
Block ads seamlessly on popular websites
Hover Free
Enlarge thumbnails on mouse over. Works on over 100 sites and is totally free from shady updates, ads or 3rd party tracking.
Adaware Ad Block
The fastest and simplest ad blocker. Blocks all ads including Facebook and video ads. Added security guards against online threats.
TabHamster
Session manager and tabs saver. With sync
V7 Notes
古いタイプのOperaノート
Speed-Up Browsing
Speeds up browsing over the time, by adding missing Cache-Control response headers.