Add-ons for Firefox (en-US)

RECOMMENDED

Tabliss - New Tab

Enjoy a beautiful new page with customizable backgrounds, local weather info, and more.

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Extensions are like apps for Firefox.

They add features to Firefox to make browsing faster, safer, or just plain fun.

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Tab managers

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Privacy & Security extensions

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Productivity extensions

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Recommended extensions

PopUpOFF
Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.
Rated 4.5 out of 5
RomanistHere
33,871 users
History Cleaner
Deletes browsing history older than a specified number of days.
Rated 4.7 out of 5
Rayquaza01
16,441 users
Augmented Steam
Augments your Steam Experience
Rated 4.7 out of 5
IsThereAnyDeal
56,858 users
Zoom Page WE
Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom and minimum font size. Fit-to-width zooming can be applied to pages automatically. Fit-to-window scaling can be applied to small images.
Rated 3.8 out of 5
DW-dev
24,850 users

YouTube customization

AdBlocker for YouTube™
Remove all annoying ads from YouTube.
Rated 4 out of 5
AdblockLite
539,451 users
SponsorBlock - Skip Sponsorships on YouTube
Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app
Rated 4.8 out of 5
Ajay (SponsorBlock)
516,016 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
Rated 4.7 out of 5
Maxime RF
616,815 users
YouTube NonStop
Tired of getting that "Video paused. Continue watching?" confirmation dialog? This extension autoclicks it, so you can listen to your favorite music uninterrupted. Working on YouTube and YouTube Music!
Rated 4.2 out of 5
lawfx
136,372 users

Tab managers

Tree Style Tab
Show tabs like a tree.
Rated 4.5 out of 5
Piro (piro_or)
222,634 users
Simple Tab Groups
Create, modify, and quickly change tab groups
Rated 4 out of 5
Drive4ik
93,529 users
OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
Rated 4.2 out of 5
OneTab Team
169,309 users
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
Rated 4 out of 5
James Fray
85,171 users

Popular themes

Activist – Balanced
Rated 4.7 out of 5
Mozilla Firefox
688,438 users
Visionary – Balanced
Rated 4.5 out of 5
Mozilla Firefox
445,752 users
Dreamer – Balanced
Rated 4.8 out of 5
Mozilla Firefox
391,205 users

Accessibility extensions

Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
Rated 4.5 out of 5
Dark Reader Ltd
1,219,236 users
Zoom Page WE
Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom and minimum font size. Fit-to-width zooming can be applied to pages automatically. Fit-to-window scaling can be applied to small images.
Rated 3.8 out of 5
DW-dev
24,850 users
Read Aloud: A Text to Speech Voice Reader
Read out loud the current web-page article with one click. Supports 40+ languages.
Rated 3.8 out of 5
LSD Software
172,762 users
Dark Mode
Dark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.
Rated 3.3 out of 5
Dark Mode
37,503 users

“dark mode” tagged extensions

Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
Rated 4.5 out of 5
Dark Reader Ltd
1,219,236 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
Rated 4.7 out of 5
Maxime RF
616,815 users
Block Site
A customizable, password-protected website blocker and redirector.
Rated 4 out of 5
Ray
72,778 users
'Improve YouTube!' 🎧 (For YouTube & Video)
Youtube Extension. Powerful but lightweight. Enrich your Youtube & content selection. Make YouTube tidy&smart! Layout Filters Shortcuts Adblocker Playlist
Rated 4.4 out of 5
code-for-charity
61,337 users