Extension Starter Pack — Firefox Staff Picks

New to browser extensions? Get started with a few of these incredible customization tools.

7
Add-ons

Firefox
Creator

Aug 14, 2026
Last updated

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Enhancer for YouTube™
RecommendedRecommended
Take control of YouTube and boost your user experience!
Rated 4.7 out of 5
Max RF
533,050 users
Privacy Badger
RecommendedRecommended
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
Rated 4.8 out of 5
EFF Technologists
1,781,303 users
Yomitan
RecommendedRecommended
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
Rated 4.8 out of 5
Darius Jahandarie
40,923 users
Adaptive Tab Bar Color
RecommendedRecommended
Changes the color of Firefox theme to match the website’s appearance.
Rated 4.7 out of 5
Eason & Yue
87,591 users
Firefox Multi-Account Containers
By FirefoxBy Firefox
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs. Cookies are separated by container, allowing you to use the web with multiple accounts and integrate Mozilla VPN for an extra layer of privacy.
Rated 4.6 out of 5
Firefox
386,572 users
Read Aloud: A Text to Speech Voice Reader
RecommendedRecommended
Read out loud the current web-page article with one click. Supports 40+ languages.
Rated 3.8 out of 5
LSD Software
212,524 users
Search by Image
RecommendedRecommended
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
Rated 4.6 out of 5
Armin Sebastian
444,672 users