With this extension you can check text with the free 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.
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
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!)
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
Show tabs like a tree.
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
Create, modify, and quickly change tab groups
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.
Translate your page in real time using Google or Yandex. It is not necessary to open new tabs. Now works with the NoScript Extension.
Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.
COMPLETELY REDESIGNED TRANSLATOR FOR FIREFOX ImTranslator translates text, words, webpages between more than 100 languages. NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
The Mass Downloader for your browser
A download manager with the ability to pause and resume downloads, download remote files, and more.
Enhances Twitch and YouTube with new features, emotes, and more.
一站式划词 / 截图 / 网页全文 / 音视频翻译扩展，支持谷歌、DeepL、ChatGPT、百度等 9 个国内外主流翻译服务，均可用于全文翻译。能在 PDF 里使用。支持辅助键、快捷键、悬浮取词。
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.
Multiple account (or label) Gmail notifier (without storing passwords)