Extensions
Fontstorage
L'extension la plus simple pour identifier et sélectionner des polices sur un site web.
TeamCity Notifier
Shows notifications about various events in TeamCity
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
sha1 hash generator
SHA1 hash generator (offline mode)
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
Disable Cookies
Disable cookies for current domain.
Encode Decode HTML
Encode HTML to show it in the HTML pages a code instead of rendered HTML. Decode HTML to convert it back to HTML code
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.
Modify Header Value
Add, modify or remove a header for any request on desired domains.
PIX Studio Plugin
PIX RPA Studio Plugin
Octotree
GitHub on steroids
Web Edit
Modifiez facilement des sites Web temporairement en un seul clic.
Browserling - Cross-browser testing
Cross-browser test websites in the most popular browsers such as Internet Explorer, Edge, Chrome, Firefox, Safari and Opera. Try for free!
Random password generator
A simple random password generator for Opera browser
CSSViewer
CSSViewer
Picture in Play
Indicates whether the `picture` element is in use on a page.
Network Information
Useful information about your system's connection including, type, speed, and rtt.
Font Inspector
Click on any HTML element to get the font info in a popup!
Yandex Wordstat Regions
Расширение, возвращает полное дерево регионов РФ в сервис подбора слов Яндекс (wordstat)
JSON Formatter & Beautifier
makes it simple to read JSON Code for browser
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.
NPM Version Stats
Show npm package version usage statistics inline on the npmjs.com package page in the versions tab
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
IP Geolocation Lookup
IP Location Lookup by ipwhois.io
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.
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, ...
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.