Web Development

Subscribe

Redux DevTools

DevTools for Redux with actions history, undo and replay.

Rated 5 out of 5 stars (4)
2,128 users

Cookies Manager+ Requires Restart

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.

Rated 5 out of 5 stars (70)
110,066 users

Task Manager

Task Manager to see the CPU and Memory usage of the tabs, works best when using e10s to be able to see the total process memory usage.

Rated 4 out of 5 stars (19)
3,553 users

Right Click - about:permissions

A lightweight addon which opens 'about:permissions' (i.e Permissions Manager) in new tab on selecting 'Open about:permissions' from right click menu.

Rated 4 out of 5 stars (2)
1,087 users

Groundspeed Requires Restart

Groundspeed is an add-on that allows security testers to manipulate the application user interface to eliminate annoying limitations and client-side controls that interfere with the web application penetration tests.

Rated 5 out of 5 stars (7)
1,537 users

Custom User-Agent String

Set custom User-Agent string. Also available for Firefox on Android.

Rated 4 out of 5 stars (15)
28,492 users

dotjs

dotjs is a Firefox Add-on that executes JavaScript files in `~/.js` based on their filename and the domain of the site you are visiting.

Rated 4 out of 5 stars (10)
1,214 users

Refresh Blocker

Blocking all Meta Auto-Refresh reloading according to user-preference

Rated 5 out of 5 stars (9)
2,196 users

Gyazo

Grab any image on the web and share it instantly

Rated 3 out of 5 stars (2)
5,183 users

Cache Disabler

A simple add-on which provides a button to completely disable (and re-enable) disk and/or in-memory caches with a single click.

Rated 5 out of 5 stars (5)
1,397 users

Logitech SetPoint Requires Restart

Smooth scrolling for Logitech mice.

Rated 3 out of 5 stars (10)
6,132 users

Policy Control (noScript, noCSS, noMedia, ...)

This extension helps you quickly disable and enable different types of resources such as JavaScript, CSS, and Media. The extension can be used to increase privacy as well as saving bandwidth by blocking unwanted contents.

Rated 4 out of 5 stars (10)
2,367 users

Selenium IDE: Flow Control Requires Restart

A flow control plugin for Selenium-IDE

Rated 4 out of 5 stars (3)
7,381 users

My Public IP Address Requires Restart

Show my browser IP address

Rated 4 out of 5 stars (11)
1,412 users

Link Properties Plus Requires Restart

Provides extended link properties: size of linked file, last modified time, etc.

Rated 5 out of 5 stars (15)
1,951 users

about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (25)
14,578 users

usi (User|Unified Script Injector)

use UserScripts on your Firefox for Android with usi!

Rated 5 out of 5 stars (29)
2,102 users

Inspect Context Requires Restart

Open Dom Inspector at this node from Inspect on context menu. Dom Inspector must already be installed. Handy for checking both page for web developers and chrome for extension...

Rated 5 out of 5 stars (17)
1,068 users

Default Responsive Design View

This add-on starts your browser in responsive design view by default.

Rated 5 out of 5 stars (1)
1,539 users

Seamless Print

Enables silent/unattended/kiosk printing without showing the print dialog.
With Seamless Print turned On, print requests go directly to the printer using any Print options already setup.
:: Contributions support http://mozilla.org/foundation ::

Rated 4 out of 5 stars (16)
5,170 users