Dev Tools

by Shelke2

7 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,828 reviews

1,993,048 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...

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,727 reviews

1,271,170 users

The first and only download manager/accelerator built inside Firefox!

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 262 reviews

318,268 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Web Developer by chrispederick

Rated 5 out of 5 stars 228 reviews

471,065 users

The Web Developer extension adds various web developer tools to the browser.

Tile Tabs by DW-dev

Rated 5 out of 5 stars 253 reviews

67,771 users

Displays tabs in tiled layouts in Firefox. Arrange tiles horizontally, vertically or in a grid. Resize tiles by dragging splitter bars. Tabs and links can be dragged to open in other tiles. Supports multiple tiled layouts. Works with tab groups.

LinkChecker by Kevin Freitas

Rated 4 out of 5 stars 78 reviews

14,986 users

Check the validity of links on any webpage.

GA? - Is Google Analytics Installed by TwisterMc

Rated 4 out of 5 stars 24 reviews

2,115 users

Checks to see if Google Analytics is installed on any given page.

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