Разширения
NsLookup - Find DNS Records
A simple and powerful tool for querying DNS records
JIRA Template Injector
The description field of new JIRA issues will automatically be populated with a template relevant to the issue type
DNS Checker - SEO and Domain Analysis
SEO and Domain Analysis Tool by DNS Checker. Provides SEO Report, Meta Redirects and 404s, Client IP, Domain IP & Geo Location, etc
HTTP Headers
Quickly view the HTTP headers of the current tab.
CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
AddJS
This extension allows you to add your own custom website specific JavaScript.
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
JavaScript QR Code
Make QR Codes in JavaScript
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
GitHub Projects Plus
Adds advanced labels management and other functionality to GitHub.
Webfonting it!
The simplest extension for working with web fonts
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
MenuButton
Custom menu allows the user to create a menu to access various network resources.
Rabbit URL Opener
Rabbit URL Opener - Bulk URL's Opener Extension just lets you open multiple URLs at once
Nextsense XML Signing Component
Signing XML document.
Polypane helper
Open the current page or links in Polypane, the developer tool for responsive web development and design.
OctoLinker
OctoLinker – Links together, what belongs together.
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
Involta Short links
Сервис сокращения ссылок
Lorem Fill
A webpage form filler that populates context specific random test data into forms elements.
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
retire.js
Scanning website for vulnerable js libraries
CSS Shapes Editor
Interactive editor for CSS Shapes.
SEO Nofollow links highlighter
Highlight all nofollow links on any site you want. Excellent for SEO purposes.
SelectorsHub
SelectorsHub helps to generate, write and verify the XPath & cssSelector.
TechsFound
Find Running Technologies on Website
Sitemap Explorer: Check and View XML Sitemaps
This extension helps you find, inspect, export, and view XML Sitemap files for any site you navigate in a browser.
AMP Validator
Automatically checks each page for AMP validation.