Monitor Jenkins build state and node state, and provide some convenient services.
Service Worker Detector
This extension detects if a website registers a Service Worker.
Send pages and links to another browser using Choosy (macOS only).
Dev extensions reload
Reload enabled development extensions
Window Performance Test
Get accurate performance timing for any page with this extension
Convert among bits, bytes, kilobytes, megabytes, gigabytes, terabytes, petabytes and more.
Open in Waterfox
Open current page, link, or all tabs in the Waterfox browser.
Pin for GitHub
Pin repositories on GitHub for later without having to star them
GitHub Privacy redacts commit and comment creation dates on GitHub. You can choose the level of redaction: only remove minutes and seconds from the dates or even hide day or month.
The official Piral developer tools browser extension.