Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
WebMoney Advisor Next
Internet users feedback about the sites
Window Performance Test
Get accurate performance timing for any page with this extension
Automatically checks each page for AMP validation.
The easiest way to measure your performance budget
JxArşiv | Araçlar
Currency, Meter, Square, VAT, Percentage, Letter, Word Count, Age Calculation and Archives ...
This extension creates a real-time visualisation of your browsing activity
Open the current page or links in Polypane, the developer tool for responsive web development and design.
PX to REM and REM to PX
PX / REM bidirectional converter
Service Worker Detector
This extension detects if a website registers a Service Worker.
Using TwicPics has never been so easy!
Toggle between development environment url's
Adds new items to browser context menu that open various analyzes of browsed web pages and sites.
Convert among bits, bytes, kilobytes, megabytes, gigabytes, terabytes, petabytes and more.
Arrgh Some Patchy Goodness to GitHub
Open in Waterfox
Open current page, link, or all tabs in the Waterfox browser.
Strike Out Nofollow Links
Just strikes out nofollow links via CSS3 selectors.
Git Analytics made simple.
Check the health of a github repo with one easy step.
Clone in VS Code
Clone any GitHub or GitLab repository in Visual Studio Code