הרחבות
Website scripting
Developers can add javascript codes in webpage. Like customizing other websites with our own codes.
Webfonting it!
The simplest extension for working with web fonts
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
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.
Stethoscope
Check the health of a github repo with one easy step.
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
Nextsense PDF Signing Component
Signing PDF document.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
CSS Shapes Editor
Interactive editor for CSS Shapes.
Involta Short links
Сервис сокращения ссылок
KML/KMZ Viewer
Can be used to view KML/KMZ Files in the browser.
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
MultiPass
Automatically login to Basic Authentication using data based on URL regexp.
AMP Validator
Automatically checks each page for AMP validation.
Colored favicons for Salesforce
Make the favicon in different color based on which salesforce instance your are loggen into.
GitHub Gloc
Gives you approximate count of lines of code on GitHub
PixelGrid
The tool to overlap your website layout with a grid.
showHTML
This extension shows information about HTML elements on a web page when you hover over them.
CSS3 Button Maker
Is CSS button code generator free easy tool that allows you create beautiful and elegant CSS web buttons in few clicks
DomainUserAgent
This extension changes the UserAgent sent by your browser on a per-domain base. You can set up a different UserAgent for a specific domain, but still use the default one otherwise.
md5 hash generator
MD5 hash generator (offline mode)
Webmaster menu
Adds new items to browser context menu that open various analyzes of browsed web pages and sites.
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
Dev extensions reload
Reload enabled development extensions
Hitsteps Visitor Manager
Get your website analytics insight and get notified about updates and live support requests in your dashboard
InTab - Code CSS 2X Faster
Visually Style Any Website In Any Browser
Income monitor
Fast balance viewer for your affiliate networks and partner programs
Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.
NoFollow
Outlines nofollow links, detects nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles