Extensions
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
Web Edit
Modifiez facilement des sites Web temporairement en un seul clic.
Disable Cookies
Disable cookies for current domain.
Youtube converter button - YTLoad
YouTube downloader FREE - Convert videos to MP3 MP4
GrabzIt Web Scraping Assistant
Create Web Scrapes online easier than ever before with GrabzIt's Web Scraping Assistant.
Modify Header Value
Add, modify or remove a header for any request on desired domains.
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
Picture in Play
Indicates whether the `picture` element is in use on a page.
Caffeine
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers
Random password generator
A simple random password generator for Opera browser
CSS & JS Injector
Easily customize your browsing experience CSS & JS Injector is a tool for developers, designers, and power users. Apply custom CSS styles and JavaScript to specific websites effortlessly. Boost productivity and customize the look, feel, and functionality of websites without altering its source code.
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
HypeStat Analyzer
Check any website's traffic
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
CSSViewer
CSSViewer
Network Information
Useful information about your system's connection including, type, speed, and rtt.
JSON Formatter & Beautifier
makes it simple to read JSON Code for browser
IP Geolocation Lookup
IP Location Lookup by ipwhois.io
Font Inspector
Click on any HTML element to get the font info in a popup!
View Page Source
Accéder au code source de la page lors d’un clic sur un bouton.
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
Reddit to Mp4 converter | reditor
redditdownloader.us allows users to download Reddit videos with audio in high quality.
Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
NPM Version Stats
Show npm package version usage statistics inline on the npmjs.com package page in the versions tab
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
Yandex Wordstat Regions
Расширение, возвращает полное дерево регионов РФ в сервис подбора слов Яндекс (wordstat)
NoFollow
Outlines nofollow links, detects nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles
Extensions for Mermaid
A browser extension for Chrome, Opera & Firefox that adds Mermaid language support to GitHub. A fork from the not updated GitHub + Mermaid extension.
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
Live editor for CSS and LESS - Magic CSS
Live preview of CSS/LESS code with an in-page editor. Autocomplete, convert LESS to CSS, beautify, minify, CSS reloader, linter, ...
JavaScript QR Code
Make QR Codes in JavaScript