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View Page Source
Get access to the page source with the click of a button.
PerfectPixel by WellDoneCode
This extension helps develop your websites with pixel perfect accuracy!
Favicon Stealer
Very simple thing for their job
Strike Out Nofollow Links
Just strikes out nofollow links via CSS3 selectors.
TeamCity Notifier
Shows notifications about various events in TeamCity
Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.
TwicPics Companion
Using TwicPics has never been so easy!
Octobox
Integrate Octobox directly into your GitHub workflow
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
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!
NPM Version Stats
Show npm package version usage statistics inline on the npmjs.com package page in the versions tab
SEO-tools
SEO-tools - information about domains, site audit for SEO errors, as well as technical audit of any page. Over 100 online services
Kalkulator PRPG by dabox
Profesjonalny system automatycznej wyceny pojazdów dla graczy ProjectRPG. Stworzony przez dabox.
Octotree
GitHub on steroids
Web Edit
单击按钮即可轻松临时编辑网站。
Disable Cookies
Disable cookies for current domain.
Modify Header Value
Add, modify or remove a header for any request on desired domains.
Copy Title And Url
Copy the title and url in markdown, pukiwiki, html format.
Youtube converter button - YTLoad
YouTube downloader FREE - Convert videos to MP3 MP4
GrabzIt Web Scraping Assistant
Create Web Scrapes online easier than ever before with GrabzIt's Web Scraping Assistant.
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
Font Finder
一个易于使用的字体检查器，以获得选定元素的CSS样式。
Picture in Play
Indicates whether the `picture` element is in use on a page.
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.
Polypad (Open in App)
Polypad Open in App.
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.
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/
Image Resizer
Rescale multiple images into different sizes in a single step
JSON Formatter & Beautifier
makes it simple to read JSON Code for browser
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
retire.js
Scanning website for vulnerable js libraries