Font Finder (revived)
Get all CSS styles of selected text
19.463 Benutzer
Tab2QR
Send the page you are currently viewing to your mobile device. QR codes are generated instantly in browser and never leave your computer. Implemented with WebExtensions API and compatible with Firefox 57+.
5.123 Benutzer
Awesome Screenshot Plus - Capture, Annotate & More
Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!
286.652 Benutzer
Disconnect
Make the web faster, more private, and more secure.
219.891 Benutzer
Octotree
Add-on to display GitHub code in tree format
8.824 Benutzer
TableTools2 - Copy/Sort/Chart/Filter Table&More!
Does everything for an HTML table: Copy (table/row/column/cell), Sort (multi-column), Search (regex, range operations ...), Filter, Chart, Statistics, Rearrange, Combine/Compare. To use: Right click in a real HTML table for the "tabletools2" option.
8.886 Benutzer
Classic Toolbar Buttons [Fx45-56][Tb24-58]
'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions. Beta builds on versions page!
22.746 Benutzer
NewScrollbars (aka NoiaScrollbars)
Die "NewScrollbars"-Erweiterung ersetzt die Standard-Scrollbars von Firefox und Thunderbird mit gefärbten Scrollbars zum Teil bekannt aus den "Noia"-Themes.
11.045 Benutzer
Selenium IDE: Screen Capture Extension
Extension to Selenium IDE for various screen capture capabilities.
1.995 Benutzer
ErrorZilla Plus
This extension is a replacement of Firefox official error page, which adds some useful tools to aid your troubleshooting. The tools include: - Google Cache (view the page cached by Google) - Coralize (use Coral CDN proxy to connect again) - Wayback (view an earlier version of this page) - Ping (use a server to ping the target server) - Trace (trace the network route from you to the server) - Whois (look up who owns the website) - Proxify (use your custom web proxy to connect)
2.529 Benutzer
CookieSwap
If you have multiple logins for web based e-mail accounts (like Google and Yahoo! mail), then CookieSwap enables you to easily switch between those different user accounts by swapping the 'cookies' that the sites use to know your identity.
7.506 Benutzer
Custom Buttons
Gives a possibility to create custom toolbarbuttons...
8.935 Benutzer