Tafoegings
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.
Octotree
GitHub on steroids
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.
Caffeine
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers
Disable Cookies
Disable cookies for current domain.
Image Resizer
Rescale multiple images into different sizes in a single step
CSSViewer
CSSViewer
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.
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!
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
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
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
Font Inspector
Click on any HTML element to get the font info in a popup!
RestMan
RESTMan is a browser extension to work on http requests.
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
TeamCity Notifier
Shows notifications about various events in TeamCity
(X)HTML5 Checker
A small extension to validate the markup of current tab
Random password generator
A simple random password generator for Opera browser
retire.js
Scanning website for vulnerable js libraries
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
Network Information
Useful information about your system's connection including, type, speed, and rtt.
Yandex Wordstat Regions
Расширение, возвращает полное дерево регионов РФ в сервис подбора слов Яндекс (wordstat)
HypeStat Analyzer
Check any website's traffic
sha1 hash generator
SHA1 hash generator (offline mode)
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
Squeezeimg - convert & compress images, WEBP, JP2
This extension will optimization image a page using Squeezeimg
TwicPics Companion
Using TwicPics has never been so easy!
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor