HTTP Version Indicator
An indicator showing the HTTP version used to load the page in the address bar.
3,091 users
Salesforce Inspector Reloaded
Productivity tools for Salesforce administrators and developers to inspect data and metadata directly from the Salesforce UI.
3,059 users
Google Analytics Debugger
Prints useful information to the JavaScript console by enabling the debug version of the Google Analytics Javascript. P.S: this add-on is migrated from Chrome store.
2,931 users
ffCK Overlays
Right-click any element to remove it. Inspired by the Chrome extension "F*ck Overlays".
2,886 users
Omnibug
The leading browser extension for analytics and marketing technology testing and debugging
2,845 users
HTTP request maker
Displays a sidebar that lets you to forge HTTP requests. Press Ctrl+Shift+Y to show the sidebar and make your own HTTP request. You can choose the method GET, HEAD, POST, OPTIONS, PUT DELETE and the body data to send. Response in the main window.
2,837 users
CookieManager - Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
2,817 users
Spoof Geolocation
This extension alters browser Geolocation latitude and longitude to user-defined values
2,711 users
Basic JSON Formatter
Adds a page action to pretty-print JSON. Unlike similar extensions, this simply pretty-prints it. It doesn't add any kind of viewer, colors, or collapsing. If you want this to work as expected, disable devtools.jsonview.enabled in about:config.
2,661 users
webhint
Check for best practices and common errors with your site's accessibility, speed, security and more.
2,647 users
Merge Windows
Merges the tabs from multiple windows together into one window. Extension won't show context menu item when there aren't more than one window of the same type to merge together. Private windows will only merge with private windows not normal.
2,578 users
