Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
Edit with Sublime Text
Edit an HTML element and all its child nodes in Sublime Text editor with real-time updates
Automatically login to Basic Authentication using data based on URL regexp.
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
Get Thumbnails or Image to video YouTube
Make thumbnail previews or images from YouTube videos
A small extension to validate the markup of current tab
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
Can be used to view KML/KMZ Files in the browser.
Outlines nofollow links, detects nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles
CSS3 Button Maker
Is CSS button code generator free easy tool that allows you create beautiful and elegant CSS web buttons in few clicks
Dev extensions reload
Reload enabled development extensions
Custom menu allows the user to create a menu to access various network resources.
Nextsense PDF Signing Component
Signing PDF document.
Fast balance viewer for your affiliate networks and partner programs
Modify O Tabs
Automatically pin or rename a tab of a site you specify or change its icon.
SelectorsHub helps to write and verify the XPath & cssSelector.
CSS Shapes Editor
Interactive editor for CSS Shapes.
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
Small improvements which will make your work with Sitecore much easier.
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
The simplest extension for working with web fonts
A webpage form filler that populates context specific random test data into forms elements.
A tool for web developers to preview blend modes on different page elements.
Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.
Shuffle Extension Toolbar
Customize the sequence of extension icons as you like
Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
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.
Adds new items to browser context menu that open various analyzes of browsed web pages and sites.
Window Performance Test
Get accurate performance timing for any page with this extension