Extensions
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
TeamCity Notifier
Shows notifications about various events in TeamCity
RDS bar
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
Extension source viewer
View source code of extensions in the Chrome Web Store, Firefox or Opera addon gallery. Has button to install from Chrome Web Store.
stylish-hub
A browser extension that brings a new GitHub experience
JIRA Template Injector
The description field of new JIRA issues will automatically be populated with a template relevant to the issue type
Get Thumbnails or Image to video YouTube
Make thumbnail previews or images from YouTube videos
SEO-tools
SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов
RESTED
A REST client for the rest of us
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any Page.
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language
Font Inspector
Click on any HTML element to get the font info in a popup!
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Toggle Environment
Toggle between development environment url's
Open in Pale Moon
Open current page, link, or all tabs in the Pale Moon browser.
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
Polypane helper
Open the current page or links in Polypane, the developer tool for responsive web development and design.
Google Analytics Debugger
A browser extension for debugging Google Analytics tracking code
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
AddCSS
This extension allows you to add your own custom website specific CSS style sheets.
fonts infos
An extention to show/inspect and analyze fonts in web-pages.
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
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, ...
Random password generator
A simple random password generator for Opera browser
Advanced Site Checker
Check your site for issues.
Modify Header Value
Add, modify or remove a header for any request on desired domains.
NetworkMonitor
Shows the response times and uptime of a desired server. Useful to see how performs internet or a wireless access point.
JavaScript QR Code
Make QR Codes in JavaScript
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu