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FireMobileSimulator Requires Restart

this add-on simulates japanese mobile device.
this add-on support DoCoMo, Au(KDDI) and SoftBank device.

Rated 4 out of 5 stars (12)
37,884 users

WAVE Accessibility Extension Compatible with Firefox 57+

Evaluate web accessibility within the Firefox browser. When activated, the WAVE extension injects icons and indicators into your page to give feedback about accessibility and to facilitate manual evaluation.

Not yet rated
1,378 users

FB unseen Compatible with Firefox 57+

Blocks the ”seen” feature of the facebook messenger, and your friends will no longer be able to see if you read their messages.

Rated 4 out of 5 stars (4)
3,079 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)
1,266 users

MozRepl Requires Restart

Interactive Javascript Console for Mozilla Applications Developers

Rated 4 out of 5 stars (14)
19,474 users

Full Screen for Firefox Compatible with Firefox 57+

Go full screen with one click on the button.

Rated 5 out of 5 stars (26)
1,479 users

IE View Requires Restart

Lets you load pages in IE with a single right-click, or mark certain sites to *always* load in IE.

Rated 3 out of 5 stars (155)
61,422 users

User Agent Switcher Requires Restart

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

Rated 4 out of 5 stars (270)
315,070 users

Yandex Wordstat Assistant

Расширение, позволяющее значительно ускорить сбор слов с помощью сервиса подбора слова Яндекс (wordstat)

Rated 5 out of 5 stars (4)
3,741 users

iMacros for Firefox Featured

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

Rated 4 out of 5 stars (471)
691,535 users

NoScript Security Suite Requires Restart Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,559)
2,279,646 users

MyWords Requires Restart

Handy extension that can be used to save common words and phrases you use often for easy typing.

Rated 4 out of 5 stars (42)
7,953 users

Yandex.Metrika Requires Restart

Go to the reports, download maps links, the addition of the counter, etc.

Rated 2 out of 5 stars (7)
1,608 users

No-Script Suite Lite (revived) Compatible with Firefox 57+

Blocks scripts (and more) on untrusted websites

Rated 4 out of 5 stars (3)
1,471 users

Pearl Crescent Page Saver screenshot tool Requires Restart

Save an image of a web page (including Flash content) to a file. Web page screenshots may be captured interactively or from the command line. Options allow you to control the output format (PNG or JPEG), image file name, scaling, and much more.

Rated 4 out of 5 stars (82)
79,031 users

Flash Debugger

Debug Flash/SWF/Flex files on the web. Edit properties and inspect elements on the fly. View log output inside the extension. Run AS3 code against the active SWF. Access assets with the Explorer, profile memory consumption and much much more...

Not yet rated
2,852 users

Autofill IRCTC Tatkal Form-Plugin & Extension

This extension reduces time taken to book tatkal ticket www.myrailinfo.in

Rated 3 out of 5 stars (37)
12,237 users

Take Screenshots, Screen Grab with Online Upload Requires Restart

Capture screen grabs aka screen shots and instantly upload online to ImageBam for easy online sharing and storage.

Rated 4 out of 5 stars (12)
1,447 users

NewScrollbars (aka NoiaScrollbars) Requires Restart

The "NewScrollbars"-extension replaces default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".

Rated 5 out of 5 stars (90)
18,248 users

Default Responsive Design View

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

Rated 5 out of 5 stars (2)
1,803 users