הרחבות
Octotree
GitHub on steroids
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
GrabzIt Web Scraping Assistant
Create Web Scrapes online easier than ever before with GrabzIt's Web Scraping Assistant.
Youtube converter button - YTLoad
YouTube downloader FREE - Convert videos to MP3 MP4
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
Modify Header Value
Add, modify or remove a header for any request on desired domains.
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.
Clear Cache
Clear your cache and browsing data with a single click of a button.
Fontstorage
The simplest extension for identifying and selecting fonts on a website.
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
SeoQuake extension
SEOquake is a free plugin that provides you with key SEO metrics, along with other useful tools such as SEO Audit and many others
Favicon Stealer
Very simple thing for their job
Disable Cookies
Disable cookies for current domain.
Network Information
Useful information about your system's connection including, type, speed, and rtt.
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
JSON Formatter & Beautifier
makes it simple to read JSON Code for browser
Random password generator
A simple random password generator for Opera browser
Font Inspector
Click on any HTML element to get the font info in a popup!
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!
Web Edit
ערוך בקלות אתרים באופן זמני בלחיצת כפתור.
NPM Version Stats
Show npm package version usage statistics inline on the npmjs.com package page in the versions tab
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
Caffeine
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers
CSSViewer
CSSViewer
IP Geolocation Lookup
IP Location Lookup by ipwhois.io
Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.
Nextsense XML Signing Component
Signing XML document.
Yandex Wordstat Regions
Расширение, возвращает полное дерево регионов РФ в сервис подбора слов Яндекс (wordstat)
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
Nextsense PDF Signing Component
Signing PDF document.