My Favorite Add-ons

by Abdul muhaimin

6 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,123 reviews

1,341,666 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Cookies Manager+ by V@no

Rated 5 out of 5 stars 74 reviews

87,964 users

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.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 343 reviews

95,163 users

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Open With by Geoff Lankow

Rated 4 out of 5 stars 168 reviews

19,814 users

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 by cadorn

Rated 4 out of 5 stars 51 reviews

20,801 users

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/

Thumbnail Zoom by Andres Hernandez

Rated 4 out of 5 stars 138 reviews

4,942 users

Shows a full size image when you hover over thumbnails on popular websites like Facebook, Twitter or Amazon.

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Collections are groups of related add-ons that anyone can create and share.

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