拡張機能
Tampermonkey
ユーザースクリプトでウェブを書き換える
Hola Free VPN Proxy Unblocker
Unblock websites blocked in your country, company or school with Hola VPN. Hola is free and easy to use!
Avast Online Security
Avast Browser Security and Web Reputation Plugin.
DuckDuckGo for Opera
シンプルかつシームレスにプライバシーを保護するブラウザ向け拡張機能。
Free Avira Phantom VPN - Unblock Websites
Climb over firewalls to access any site – securely and privately. Unlimited data & FREE.
YouTube Downloader (UDL Helper)
YouTube、Instagram、OK.ruからMP3、MP4、WEBMフォーマットでの音楽及びビデオのすばやいダウンロード。オンラインビデオプレーヤーのスクリーンショットボタン。
Grammar and Spell Checker - LanguageTool
Instantly Enhance Your Texts with LanguageTool’s Grammar Checker and Paraphrasing Tool
Picture in Picture
Enables Picture in Picture mode on Youtube and other sites on Opera browser
Browser Lock
Take control of your web browser privacy!
uTorrent easy client
Extension add uTorrent web GUI in your web browser
I don't care about cookies
Get rid of cookie warnings from almost all websites!
Turn Off the Lights
画面全体が暗くなり映画館にいる気分。YouTube™ ほか動画サイトでもOK。
G App Launcher (Shortcuts for Google™)
Google™サービスやウェブサイトにすばやくアクセス
AdBlocker for YouTube™ Video
removes all sorts of advertisement and banners from YouTube
Screen Recorder
Record your computer's screen with just one click!
Capture Webpage Screenshot - FireShot
ウェブページ全体をスクリーンショット撮影。PDF/JPEG/GIF/PNGでキャプチャ、編集、保存やアップロード、印刷、そしてOneNote、クリップボード、メールに送信できます。
Sidebar Calc
Sidebar Calculator - Fast and Simple
Note Sidebar
Simple note sidebar which can be used to write a note, record thoughts, to-do list, meeting notes, etc.
Video Speed Controller
netflixビデオ、primevideo、hotstarなどのビデオスピードコントローラー
Instagram Downloader (IDL Helper)
InstagramからMP3、MP4、WEBMフォーマットでの音楽及びビデオのすばやいダウンロード。ギャラリーから画像をダウンロードする機能。
Text to Speech (TTS)
A text to speech tool with natural sounding voices.
h264ify
Makes YouTube stream H.264 videos instead of VP8/VP9 videos
Page Screenshot
Take a screenshot from the entire website with just one click!
Vertical Tabs
Manage your tabs in the sidebar!
PopUpOFF - Popup and overlay blocker
Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.
Unhook - Remove YouTube Recommended Videos
Hide YouTube related videos, comments, shorts tab, suggestions wall, homepage recommendations, trending, and other distractions.
ColorPicker Eyedropper
A color-picker tool that allows you to select color values from webpages.
Sidebar Sticky Note
Free HTML5 Sidebar Sticky Notes
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
QR Code Generator
Generate any QR code anytime, even offline
Standard Deviation Calculator
Enter the comma separated values in the box to find standard deviation using standard deviation calculator.
AutoTabRefresh
Refresh your browser tab automatically at the desired interval.