- Any Firefox
- Firefox 54.0
- Firefox 44.0
- Firefox 43.0
- Firefox 26.0
- Firefox 18.0
- Firefox 17.0
- Firefox 16.0
- Firefox 11.0
- Firefox 4.0
89 matching results
This extension shows information about a web page's HTML elements as you hover over them. The details are displayed in a text stripe at the top of the screen. Clicking on the text stripe will toggle it between top and bottom placement.
Switch between code panes on CodePen, JSFiddle, and other online code editors, right from the keyboard.
See if movies and shows in your IMDb watchlist are available for instant streaming on Netflix.
Replicated the old firebug console Next to the Dev Inspector, the console has a history and can be minimized.
Cross-browser test websites in the most popular browsers such as Internet Explorer, Chrome, Firefox, Safari and Opera. Try for free!
Blocks desired HTML contents (script, style, image, object, media)
use UserScripts on your Firefox for Android with usi!
Better links sharing!
This add-on adds JS Fiddle style code prototyping to Firefox DevTools.
An Addon for Detecting Malicious and Suspicious Webpages.