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YouTube™ Flash-HTML5 Compatible with Firefox 57+ Nên dùng

Play YouTube™ Videos in Flash or HTML5 Player

Rated 4 out of 5 stars (61)
38.892 người dùng38.892 người dùng

Bloody Vikings! Compatible with Firefox 57+ Nên dùng

Simplifies the use of temporary e-mail addresses in order to protect your real address from spam. Supports inter alia 10minutemail.com and anonbox.net.

Rated 5 out of 5 stars (66)
12.377 người dùng12.377 người dùng

lesspass Compatible with Firefox 57+ Nên dùng

Use LessPass add-on to generate complex passwords and log in automatically to all your sites

Rated 5 out of 5 stars (16)
3.500 người dùng3.500 người dùng

Reader Compatible with Firefox 57+ Nên dùng

Reader is the ultimate Reader tool for Firefox.

Rated 5 out of 5 stars (77)
22.490 người dùng22.490 người dùng

Country Flags & IP Whois Compatible with Firefox 57+ Nên dùng

Displays country flag of website's server location, Whois and Geo info on a browser addressbar icon

Rated 5 out of 5 stars (22)
2.187 người dùng2.187 người dùng

Speed Dial (Lite) Compatible with Firefox 57+ Nên dùng

Access to your favorite websites via an stylish speed dial!

Rated 3 out of 5 stars (19)
3.409 người dùng3.409 người dùng

Video Downloader Prime Compatible with Firefox 57+ Nên dùng

Easily download most popular video formats.

Rated 4 out of 5 stars (73)
40.760 người dùng40.760 người dùng

Honey Compatible with Firefox 57+ Nên dùng

Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.

Rated 4 out of 5 stars (200)
116.436 người dùng116.436 người dùng

Tab Auto Refresh Compatible with Firefox 57+ Nên dùng

Automatically refresh tabs based on custom time intervals

Rated 4 out of 5 stars (13)
9.448 người dùng9.448 người dùng

Dark YouTube Theme Compatible with Firefox 57+ Nên dùng

Shut down the lights on YouTube.
Enjoy!

Rated 4 out of 5 stars (118)
43.785 người dùng43.785 người dùng

Grammarly for Firefox Compatible with Firefox 57+ Nên dùng

Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.

Rated 4 out of 5 stars (217)
412.004 người dùng412.004 người dùng

Popup Blocker (strict) Compatible with Firefox 57+ Nên dùng

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 (64)
22.204 người dùng22.204 người dùng

Search image Compatible with Firefox 57+ Nên dùng

Select some text, right-click and choose"Search image" in the menu, a Google Image tab will open with your results.

Rated 5 out of 5 stars (35)
11.266 người dùng11.266 người dùng

LanguageTool Grammar Checker Compatible with Firefox 57+ Nên dùng

With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.

Rated 4 out of 5 stars (31)
72.125 người dùng72.125 người dùng

Emoji Keyboard Compatible with Firefox 57+ Nên dùng

A free extension of the web tool https://emojikeyboard.org. It helps input emoji in the web browser with an extensive search functionality.

Rated 4 out of 5 stars (71)
97.725 người dùng97.725 người dùng

Pearltrees Compatible with Firefox 57+ Nên dùng

Pearltrees lets you organize all your interests.

Rated 5 out of 5 stars (245)
12.758 người dùng12.758 người dùng

Bulk Media Downloader Compatible with Firefox 57+ Nên dùng

Grab and download media (image, audio, and video) resources by monitoring network (like FlashGot or Flash video downloader extensions)

Rated 4 out of 5 stars (125)
98.402 người dùng98.402 người dùng

Font Finder (revived) Compatible with Firefox 57+ Nên dùng

Get all CSS styles of selected text

Rated 5 out of 5 stars (26)
10.146 người dùng10.146 người dùng

Download all Images Compatible with Firefox 57+ Nên dùng

a customizable extension to save the images from the current tab page

Rated 4 out of 5 stars (8)
2.143 người dùng2.143 người dùng

TinEye Reverse Image Search Compatible with Firefox 57+ Nên dùng

TinEye is a reverse image search engine. The extension adds a context menu item so you can search for an image to find out where it came from, how it is being used, if modified versions of the image exist, or to find higher resolution versions.

Rated 4 out of 5 stars (199)
72.744 người dùng72.744 người dùng