Расширения
Nextsense PDF Signing Component
Signing PDF document.
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
Webfonting it!
Простейшее расширение для работы со шрифтами в веб
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
(X)HTML5 Checker
A small extension to validate the markup of current tab
CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
GitLab - Tree view
Provides folder structure view for code in GitLab.
CSS Shapes Editor
Interactive editor for CSS Shapes.
Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.
Edit with Sublime Text
Edit an HTML element and all its child nodes in Sublime Text editor with real-time updates
Lorem Fill
A webpage form filler that populates context specific random test data into forms elements.
MultiPass
Automatically login to Basic Authentication using data based on URL regexp.
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
PixelGrid
The tool to overlap your website layout with a grid.
Check Wordpress Version
WordPress Vulnerability Scanner - Scan for vulnerabilities, version, themes, plugins and much more!
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
Nextsense XML Signing Component
Signing XML document.
Blendup
A tool for web developers to preview blend modes on different page elements.
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
GitHub Gloc
Считает строки кода на GitHub
GitHub Projects Plus
Adds advanced labels management and other functionality to GitHub.
MenuButton
Настраиваемое меню позволяет пользователю самостоятельно создать меню доступа к различным ресурсам сети.
Update Notification
Get notified of Opera automatic updates
AMP Validator
Automatically checks each page for AMP validation.
Internet Archive This
Submits the current tab to the Internet Archive (must be publicly accessible).
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
NoFollow
Outlines nofollow links, detects nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles
Webmaster menu
Добавляет в контекстное меню браузера новые пункты открывающие различные анализы просматриваемых веб-страниц и сайтов.
WebMoney Advisor Next
Отзывы интернет-пользователей о сайтах