My Favorite Add-ons
About this Collection
My favorite add-ons
6 Add-ons in this Collection
Firebug by Joe Hewitt, Jan Odvarko, others
Cookies manager to view, edit and create new cookies. It also shows extra information about cookies, allows edit multiple cookies at once and backup/restore them.
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
Quickly test out your web pages in Chrome, Edge, Safari, or Opera. Open With opens the current page in your other browsers with just two clicks.
Open With as a WebExtension is being developed. See the development channel to try it.
FirePHP enables you to log to your Firebug Console using a simple PHP method call.
Not using Firebug 1.9+ on Firefox 8+? See http://firephp.org/
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