automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
12,160 users
Immersive Translate - Translate Website & PDF
Free Translate Website, Translate PDF & Epub eBook, Translate Video Subtitles in Bilingual
101,497 users
Grammar and Spell Checker - LanguageTool
With this extension you can check text with the style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
386,284 users
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!)
42,501 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
149,524 users
Auto Tab Discard
Increase browser speed and reduce memory load and when you have numerous open tabs.
76,605 users
Sink It for Reddit
Upgrade your Reddit experience with color coded comments, easier nav, sub-reddit blocking, gestures for upvoting, ad+nag blocking, and more. It's like RES, for mobile!
15,226 users
YouTube Search Fixer
Remove ALL distracting search results, redirect shorts back to legacy page and try little visual changes suited for low resolution screens.
33,833 users
Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1,279,785 users
Read Aloud: A Text to Speech Voice Reader
Read out loud the current web-page article with one click. Supports 40+ languages.
202,856 users
Dark Mode
Dark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.
46,342 users
Sidebery
Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.
57,421 users
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
368,023 users
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
100,025 users
Popup Blocker (strict)
Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address
79,274 users
