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.
Make the browser forget website data (like cookies, local storage, etc.), except for the data you want to keep by adding domains to a whitelist, graylist, blacklist, or redlist.
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
Automatically change Firefox's theme based on the time.
Remove all annoying ads from YouTube.
Take control of YouTube and boost your user experience!
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
Stream just the audio from YouTube to save bandwidth and battery life
Show tabs like a tree.
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
An easy-to-use tab reloader with custom reloading time settings for individual tabs
New Tab Override allows you to set the page that shows whenever you open a new tab.
Set a default speed for video and audio.
一站式划词 / 截图 / 网页全文 / 音视频翻译扩展，支持谷歌、DeepL、百度、搜狗等 9 个国内外主流翻译源，且均可用于网页翻译。能对比、朗读、复制翻译结果。能在 PDF 里使用。支持辅助键、快捷键、悬浮取词。
Go to the pinned WhatsApp Web tab. If it doesn't exist, it's created. WhatsApp doesn’t endorse or sponsor this project.
The Privacy Extension For WhatsApp™ Web hides your messages from unwanted glimpses until you hover over them. In the search bar, you can disable the blur effect on all messages manually and specify what elements to blur.