Dev Tools

by Shelke2

7 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,084 reviews

1,847,979 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 1,842 reviews

1,193,438 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 268 reviews

303,394 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 260 reviews

421,156 users

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

Tile Tabs by DW-dev

Rated 5 out of 5 stars 267 reviews

80,397 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 80 reviews

15,489 users

Check the validity of links on any webpage.

GA? - Is Google Analytics Installed by TwisterMc

Rated 4 out of 5 stars 24 reviews

1,757 users

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

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

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