Extensions
Number of search results for 'closed tabs': 344
Speed Tweaks
Speed up your browser with few tweaks via toolbar popup!
Font Inspector
Click on any HTML element to get the font info in a popup!
Octotree
GitHub on steroids
WebAPI Blocker
Easily block (nullify) undesired Web API(s) and improve your privacy.
Synballo
Your Ultimate Symbol Picker Extension & Emoji Keyboard for Enhanced Communication
Shorto - URL Shorter
Create a small URL
Window Resizer
Easily set the layout (size & position) of your browser window
Take a Break
Reminds you to take a break at a customizable time frame.
GOOGLE APPS
All google web apps with a single click
Disable Autoplay for YouTube™
Disable YouTube HTML5 player from auto-playing.
showHTML
This extension shows information about HTML elements on a web page when you hover over them.
Page Screenshot
Take a screenshot from the entire website with just one click!
Ambient Aurea
Instantly craft stunning photo galleries with ambient lighting effects in a single click.
Fake Data
Fill form input fields with fake random data.
Privacy Protector Plus
removes all forms of tracking including web-bugs, tracking-scripts and information-collectors, and protects your personal data.
DJs Mobiles
Latest mobile tech news, specs & reviews from DJs Mobiles — since 2010.
GMX Mail Checker
Check gmx.com for unread emails and get badge area counter without the need to enter your credentials (password)
Popup Blocker (strict)
Strictly block all popup requests from any website
HaTeMiLe for Browser
Improve the accessibility of web pages, especially for users who use screen readers or navigate using the keyboard.
Font Size Decrease
Decrease font size on any web page with one click.
Font Size Increase
Increase font size on any web page with one click.
Black Menu for Google™
The easiest access to the Google universe with Gemini AI and sidebar support
Language Switcher
Change the language header (accept-language) that websites see via toolbar popup
Invisible Text Generator
Generate hidden letters and blank characters for WhatsApp, Discord, gaming profiles, and steganography.
Insight™
Provides website information such as Rank, and checks URLs against suspected pages.
JavaScript Toggle On and Off
Toggle JavaScript engines (inline, data URL, remote, and external) on and off the easy way
Snow for Opera
Add falling snow to your page for a snowstorm effect and turn it into a winter wonderland.
SelfCensor
Automatically censor unwanted words, images, and links on any webpage.
Web Widgetizer
Web Widgetizer is a extension offering a range of features to enhance browsing. It allows users to create separate Opera windows for specific websites, manage favorite links, customize window dimensions, toggle auto-start, and open links in popup tabs via button click or shortcut (Ctrl + Shift + A). This versatile tool optimizes browsing convenience and efficiency.
Open in Sumatra PDF and DJVU Reader
Adds a context menu item to send PDF links directly to Sumatra PDF
Edit with Notepad++
Edit content of text area elements, or inner and outer HTML of node elements in Notepad++ text editor with real-time updates
Smart RSS
RSS Reader for Opera 15+!
Haven't found what you need? Check out the Chrome Web Store.