拡張機能
Copy URLs
Copy all URLs to clipboard
2FAS - Two factor authentication
2FAS extension is simple, private, and secured: one click, one tap, and your 2FA token is automatically entered!
JavaScript Toggle On and Off
Toggle JavaScript engines (inline, data URL, remote, and external) on and off the easy way
Homepage in New Tab
This extension enables you to set homepage and open in new or current tab.
Boomerang for Gmail™
Allows you to schedule messages to be sent or returned at a later date.
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.
Cache Cleaner
Easily clear browser's cache via toolbar popup.
YouTube Ad Muter
Automatically mute sound for YouTube ads
Save Tabs
Save and restore all tabs from toolbar popup!
LibPlus - rozszerzenie do Librusa
Szybki podgląd średniej oraz inne funkcje w dzienniku Librus
Open in PDF Viewer
Easily open desired links in a PDF viewer.
Bookmarks by the Side
シンプルなブックマークサイドバー。
Pushbullet
Bringing together your devices, friends, and the things you care about.
Close & Clean
Close all tabs and windows and clean up Opera in one single click
FastProxer
A quicker way to navigate on Proxer.me streams! [German]
Speed Test
Speed Test Most Accurate Online Broadband Internet Speed Test
QR Code Reader
a multiple QR- and bar-code scanner that supports scanning from webcam and local images
SimpleTabOrder
ブラウザのタブ順序を制御するための簡単な方法
Todoist for Opera
Todoist for Opera で仕事と生活を管理
Documents
Viewer for online documents (e.g. PDF, MS Word)
Speed-Up Browsing
Speeds up browsing over the time, by adding missing Cache-Control response headers.
Group Your Tabs
Group opened tabs in a pretty list
Adblock Potty — best ad blocker
Potty Ad blocker - ad blocker software for Super Fast Use browser.
Web Apps by 123apps
Edit, Convert, Create
Rotate that Video Player
Improve your video experience by effortlessly rotating your video clips by 90, 180, or 270 degrees.
Date Today
The best clock to see in one glance the current day and time. With an option to see the digital clock in the browser toolbar.
SponsorBlock Facebook™ - Skip Sponsorships
迷惑な広告なしで、迷惑なスポンサー投稿や推奨投稿をすべて Facebook™ ビデオから削除します。
Tree Tabs
Manage your tabs in the sidebar!
Classic Images
Brings back image features from Opera 12
Annotating the Web
Add-on, by Mediamaster.eu, to easily add annotation functionality to any webpage
AI Detector for ChatGPT & more - Winston AI
Winston AI is the most reliable AI detector for discerning AI-generated content from ChatGPT and all other known LLM’s such as Google Bard, Claude, LLama and much more.