Top-Rated Extensions

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One-Click Translate Page

A basic Mozilla Firefox Add-On. Press the Translate button and the current page will open in Google Translate in your chosen language.

Rated 3 out of 5 stars (5)
3.639 users

Keen Media Runner (Free) Compatible with Firefox 57+

Install Keen Media Runner to search for your favorite movies and TV shows directly from your search engine, and find LEGAL streaming sources from Netflix, Amazon Prime, Hulu and many more...

Quick link to KEEN.TV - 850+ Live Free TV Channels

Rated 3 out of 5 stars (5)
3.094 users

Remind Me

Sendet Erinnerungen an einem gewünschten Zeitpunkt.

Rated 3 out of 5 stars (5)
98 users

Screenshot Pimp - Screengrab, Screen Shots, & Save Selection Requires Restart

Capture, grab, save, download, or copy anything you see in your web browser with only one click!
Screenshot pimp is by far the most customizable, and user friendly screenshot toolbar available for both Windows and Mac!

Rated 3 out of 5 stars (73)
1.778 users

About:about Button

A button that lists all the about pages that exist. Some of these pages are also provided as separate buttons.

Rated 3 out of 5 stars (5)
192 users

Download Virus Checker Compatible with Firefox 57+

Automatically check all the downloads files against well-known anti-viruses using VirusTotal API

Rated 3 out of 5 stars (5)
997 users

Url2Link Requires Restart

Turns plain text URLs on a web page into hyperlinks

Rated 3 out of 5 stars (8)
0 users

Link Checker Requires Restart

A file host link checker. Supports over 50 hosts! Example rapidshare.com, hotfile.com, filefactory.com, etc Uses immortalxx.com checking algorithm and resources to verify link integrity. 56k supportive as your connection to check links is not used!

Rated 3 out of 5 stars (8)
1 user

native-hls

Extension that allows native HLS playback in Firefox browser

Rated 3 out of 5 stars (5)
1.088 users

Disable Ctrl-Q and Cmd-Q Compatible with Firefox 57+

Overrides the Ctrl-Q and Command-Q shortcut so that you cannot accidentally quit Firefox. To quit anyway, use the 'Quit Firefox' menu item.
This add-on works for for all platforms (including macOS) and also in private browsing mode.

Rated 3 out of 5 stars (5)
165 users

Symbaloo Bookmarker

Symbaloo is a visual way to navigate the Internet.

With the Symbaloo bookmarker, you can easily add the website you are surfing on to your Symbaloo page on Symbaloo.com, just by clicking the extra button that appears in your FireFox browser.

Rated 3 out of 5 stars (23)
1.596 users

Performance Reporter

Displays extensions and tabs CPU and memory usage

Rated 3 out of 5 stars (14)
312 users

VratnePenize.cz Requires Restart

Upozorní vás na možnost vrácení peněz v e-shopech při přímé návštěvě

Rated 3 out of 5 stars (5)
2.062 users

Whois Mind Requires Restart

Whois tool to lookup any Domain name, IP, Whois history, SEO, Nameservers, Emails and much more!

Rated 3 out of 5 stars (5)
585 users

Network Bandwidth Saver

A simple add-on for low bandwidth users that loads images only when they are in visible screen area.
Websites usually need a lot of bandwidth due to heavy usage of images. This add-on delays loading of images until they appear in the visible screen.

Rated 3 out of 5 stars (5)
72 users

Full Cal Requires Restart

See a larger calendar view on Google Calendar.

Rated 3 out of 5 stars (5)
94 users

Hot Virtual Keyboard Extension Requires Restart

This extension brings up the virtual keyboard when entering text input fields. Hot Virtual Keyboard has to be installed and running: Virtual Keyboard Home Page

Rated 3 out of 5 stars (5)
522 users

WordPress Theme and Plugins Detector

Detects the theme and plugins used in WordPress and display information about them. For sites using wordpress an icon will appear - right hand side of the address bar.

Rated 3 out of 5 stars (5)
699 users

hxxp Requires Restart

Referrer spoofing protocol handler.

Rated 3 out of 5 stars (5)
209 users