Extensions
Fontstorage
The simplest extension for identifying and selecting fonts on a website.
Disable Cookies
Disable cookies for current domain.
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.
Youtube converter button - YTLoad
YouTube downloader FREE - Convert videos to MP3 MP4
Web Edit
Easily edit websites temporarily with a click of a button.
Picture in Play
Indicates whether the `picture` element is in use on a page.
Font Inspector
Click on any HTML element to get the font info in a popup!
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
Random password generator
A simple random password generator for Opera browser
JSON Formatter & Beautifier
makes it simple to read JSON Code for browser
Caffeine
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers
Reddit to Mp4 converter | reditor
redditdownloader.us allows users to download Reddit videos with audio in high quality.
IP Geolocation Lookup
IP Location Lookup by ipwhois.io
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
CSSViewer
CSSViewer
Network Information
Useful information about your system's connection including, type, speed, and rtt.
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.
View Page Source
Get access to the page source with the click of a button.
HypeStat Analyzer
Check any website's traffic
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
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.
NoFollow
Outlines nofollow links, detects nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles
JavaScript QR Code
Make QR Codes in JavaScript
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
GitHub Extension
The GitHub Browser Extension allows GitHub users to quickly find and open all of their assigned issues and pull requests from a single location. It can be handy for developers and project managers to view their tasks.
Rabbit URL Opener
Rabbit URL Opener (Rahul Digital) - Bulk URL's Opener Extension just lets you open multiple URLs at once. More about Rabbit URL Opener http://rahuldigital.org/url-opener/ http://rahuldigital.com/url-opener/