FoxClocks
SoundFixer
Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!)
43.450 Benutzer
Sidebery
Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.
62.114 Benutzer
Anpassende Tableistenfarbe
Ändert die Farbe des Firefox-Themes, um dem Erscheinungsbild der Website zu entsprechen.
35.405 Benutzer
OneTab
Zu viele Tabs? Wandeln Sie Ihre Tabs in eine Liste um und beschleunigen Sie Firefox OneTab ist jetzt auf Deutsch verfügbar!
166.937 Benutzer
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
150.334 Benutzer
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
75.376 Benutzer
SponsorBlock für YouTube
Überspringe die gesponserten Inhalte in YouTube-Videos. Melde gesponsorte Inhalte in den von dir angesehenen Videos und erspare anderen die Zeit.
649.851 Benutzer
Read Aloud: A Text to Speech Voice Reader
Read out loud the current web-page article with one click. Supports 40+ languages.
197.704 Benutzer
Dark Reader
Dunkles Design für jede Website. Schonen Sie Ihre Augen und verwenden Sie Dark Reader für die Nacht und das tägliche Surfen.
1.258.504 Benutzer
Read Aloud: A Text to Speech Voice Reader
Read out loud the current web-page article with one click. Supports 40+ languages.
197.704 Benutzer
Dark Mode
Dark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.
40.143 Benutzer
Sidebery
Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.
62.114 Benutzer
DuckDuckGo Search & Tracker Protection
Schützt aktiv deine Daten in deinem aktuellen Browser
1.233.202 Benutzer
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
413.252 Benutzer
TinEye Reverse Image Search
Click on any image on the web to search for it on TinEye. Recommended by Firefox! Discover where an image came from, see how it is being used, check if modified versions exist or locate high resolution versions. Made with love by the TinEye team.
45.412 Benutzer
Image Search Options
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
39.209 Benutzer