Extensions
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
GrabzIt Web Scraping Assistant
Create Web Scrapes online easier than ever before with GrabzIt's Web Scraping Assistant.
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
Fontstorage
L'extension la plus simple pour identifier et sélectionner des polices sur un site web.
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
Reddit to Mp4 converter | reditor
redditdownloader.us allows users to download Reddit videos with audio in high quality.
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!
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.
SeoQuake extension
SEOquake est un plug-in gratuit qui vous fournit les principales métriques de référencement ainsi que d'autres outils utiles tels que l'Audit SEO et bien d'autres
Octotree
GitHub on steroids
IP Geolocation Lookup
IP Location Lookup by ipwhois.io
Youtube converter button - YTLoad
YouTube downloader FREE - Convert videos to MP3 MP4
CSSViewer
CSSViewer
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
JSON Formatter & Beautifier
makes it simple to read JSON Code for browser
Disable Cookies
Disable cookies for current domain.
Caffeine
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers
showHTML
This extension shows information about HTML elements on a web page when you hover over them.
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
RestMan
RESTMan is a browser extension to work on http requests.
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, ...
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
NoFollow
Outline nofollow links, detect nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles.
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
Random password generator
A simple random password generator for Opera browser
Yandex Wordstat Regions
Расширение, возвращает полное дерево регионов РФ в сервис подбора слов Яндекс (wordstat)
retire.js
Scanning website for vulnerable js libraries
Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
StyleMaster
Добавление пользовательских стилей CSS на веб-сайты