Top-Rated Extensions

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QuickMark

A quick and minimalistic way to create bookmarks.

Rated 5 out of 5 stars (59)
8,264 users

HTitle (discontinued) Requires Restart

Hide title bar if window is maximized.

[!] This add-on has been discontinued.

This extension created only for GNOME 3. It can create problems with another DE. However, you can use HTitle at your own risk (need enable "legacy" mode on settings).

Rated 5 out of 5 stars (127)
4,715 users

Turn Off the Lights Compatible with Firefox 57+ Featured

The entire page will be fading to dark, so you can watch the video as if you were in the cinema.

Rated 5 out of 5 stars (298)
46,416 users

Share Button for Facebook™ Compatible with Firefox 57+

Share Button for Facebook™ lets you share any web page on your Facebook™ Timeline by a quick button.

Rated 5 out of 5 stars (27)
6,392 users

FlashStopper

Stops video autoplay and shows the preview thumbnail.

Rated 5 out of 5 stars (98)
45,605 users

Right Links Requires Restart

This extension allows to open links in new tabs with right-click directly and using “long” left-click.
This is very useful for touchpads on notebooks and for mice without middle button.

Rated 5 out of 5 stars (133)
6,802 users

Tab Groups Helper Requires Restart

Create and manage tab groups in a side-by-side list-view interface, or "Groups Bar" toolbar interface. Single or multi-tab close, bookmark, or move across groups. Search for tabs by title or content in current or all groups. Much more...

Rated 5 out of 5 stars (79)
2,902 users

View Source Chart Requires Restart

Enables accelerated human processing of DOM

Rated 5 out of 5 stars (109)
6,391 users

Play/Pause

Adds a Play/Pause toggle onto tabs that contain an HTML5 audio/video player.

Rated 5 out of 5 stars (39)
3,068 users

cliget

Download files using curl or wget. This addon generates curl/wget commands that emulate the request as though it's coming from your browser allowing you to download protected files directly to a separate machine (e.g. server).

Rated 5 out of 5 stars (65)
6,270 users

Star-Button In Urlbar Requires Restart

Moves star-button back into urlbar.
Make sure to have a bookmarks button replacement installed for still being able to access bookmarks menu. 'Classic Bookmarks Button' or 'Classic Theme Restorer' will do the job.

Rated 5 out of 5 stars (34)
2,113 users

Element Hiding Helper for Adblock Plus

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Rated 5 out of 5 stars (439)
338,162 users

Private Tab

Adds private tabs.

Rated 5 out of 5 stars (254)
47,690 users

Советник Яндекс.Маркета Compatible with Firefox 57+

Находит низкие цены на товары и авиабилеты

Rated 5 out of 5 stars (21)
27,357 users

Hide My IP

Hide My IP is number one tool for hiding your IP and unblocking any web site!

Rated 5 out of 5 stars (37)
14,730 users

SSleuth

How strong is your HTTPS connection? SSleuth ranks an established SSL/TLS connection and gives a brief summary of the cipher suite, certificate and other SSL/TLS parameters.

Rated 5 out of 5 stars (16)
4,873 users

FavIcon Reloader up to FF 48 only Requires Restart

FavIconReloader reloads Favourite Icons by retrieving information from all bookmarked web sites.

Rated 5 out of 5 stars (142)
11,962 users

Hugo Search All Tabs Requires Restart

Search all loaded tabs- similar to Find in Tabs, etc. except has much more functionality. This is a comprehensive tool designed for doing research. Please see screen shots and description.

Rated 5 out of 5 stars (16)
947 users

Free Visio Viewer (Mac, Windows, Linux)

Open your Microsoft Visio files for free

Rated 5 out of 5 stars (16)
7,992 users

Vimperator Requires Restart

Make Firefox look and behave like Vim

Rated 5 out of 5 stars (233)
15,172 users