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Popup blocker for FireFox - Poper Blocker Compatible with Firefox 57+

#1 Firefox add-on to block annoying popups, popunders & overlays in an easy & effective way. Browse without interference on all sites.

Rated 5 out of 5 stars (81)
11,019 users

Yandex Elements: Traffic Compatible with Firefox 57+

Check road conditions in a glance.

Rated 3 out of 5 stars (2)
1,550 users

Yandex Elements: Weather Compatible with Firefox 57+

See current and forecasted weather info.

Rated 2 out of 5 stars (9)
3,980 users

JavaScript Warning Compatible with Firefox 57+

You can store websites in a list which are not supposed to execute JavaScript code. If they try to do so the Add-on warns you.

Rated 3 out of 5 stars (2)
4,169 users

Country Flag + Compatible with Firefox 57+

Shows country flag based on the server location of the active tab's url

Rated 4 out of 5 stars (7)
6,291 users

NeoBux AdAlert Compatible with Firefox 57+

AdAlert is NeoBux's unique and exclusive browser extension. It takes almost no space at all and will notify you of new advertisements so that you'll never miss one. Available Mini Jobs will also be displayed.

Rated 1 out of 5 stars (1)
7,803 users

Tab Suspender (Tab Unloader) Compatible with Firefox 57+

Automatically suspend (hibernate) inactive tabs to free up system resources

Rated 4 out of 5 stars (40)
5,543 users

Checker Plus for Gmail™ Compatible with Firefox 57+

Get desktop notifications, read, listen or delete emails without opening Gmail or Inbox by Gmail & easily manage multiple accounts.

Rated 4 out of 5 stars (72)
6,229 users

Checker Plus for Google Calendar™ Compatible with Firefox 57+

See your next events, get meeting desktop notifications, add or snooze events without opening the Google Calendar page!

Rated 4 out of 5 stars (12)
1,056 users

Popupblocker Compatible with Firefox 57+

Popupblocker can block every popup. Many websites open new windows with ads, when you try to mark text or click something. This add-on will block these and show a really small notification.

Rated 4 out of 5 stars (8)
982 users

Messenger for WeChat™

Access to WeChat Web messenger from within a toolbar panel and get badge notification of unread posts

Rated 4 out of 5 stars (4)
1,149 users

Tab Auto Refresh Compatible with Firefox 57+ Featured

Automatically refresh tabs based on custom time intervals

Rated 4 out of 5 stars (27)
12,355 users

Weather Extension Compatible with Firefox 57+

The best way to see the weather right in your browser. Easier than looking outside!

Rated 5 out of 5 stars (84)
3,112 users

Tomato Clock Compatible with Firefox 57+ Featured

Tomato Clock is a simple browser extension for managing your productivity.

Rated 4 out of 5 stars (21)
4,178 users

Textarea Cache Lite Compatible with Firefox 57+

Allows to save automatically the content in a text input field.
(Currently not compatibility with Textarea Cache)

Rated 4 out of 5 stars (17)
2,014 users

Yandex.Mail notifier Compatible with Firefox 57+

Tunable notifier for Yandex.Mail

Rated 4 out of 5 stars (79)
3,203 users

Popup Blocker (strict) Compatible with Firefox 57+ Featured

Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address

Rated 4 out of 5 stars (67)
26,974 users

Gmail Notifier Requires Restart

Note from Mozilla: This add-on has been discontinued. Try WebMail Notifier instead.

The original notifier for Gmail.

Rated 4 out of 5 stars (571)
2,387 users

url-addon-bar

the addon-bar into url-bar

Rated 4 out of 5 stars (58)
1,454 users

Content Farm Blocker Compatible with Firefox 57+

Preventing to open content farm by mistake

Rated 5 out of 5 stars (12)
1,257 users