![](https://addons.mozilla.org/user-media/hero-featured-image/brooke-cagle-tLG2hcpITZE-unsplash.jpg?modified=1602004715)
TinEye Reverse Image Search
Click on any image on the web to search for it on TinEye. Recommended by Firefox! Discover where an image came from, see how it is being used, check if modified versions exist or locate high resolution versions. Made with love by the TinEye team.
57,957 个用户
Livemarks
Get auto-updated RSS feed bookmark folders.
13,775 个用户
Block Site
A customizable, password-protected website blocker and redirector.
67,480 个用户
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
26,001 个用户
688,609 个用户
445,202 个用户
388,824 个用户
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
475,276 个用户
Enhancer for YouTube™
海量自定义功能提升您的 YouTube 用户体验。
569,365 个用户
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
451,621 个用户
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!
127,033 个用户
Dark Reader
适用于任何网站的黑暗主题。关爱眼睛,就使用 Dark Reader 进行日常浏览。
1,068,779 个用户
Read Aloud: 文本语音朗读助理
轻轻点击,即可为您朗读页面上的文本。(现正支援超过 40 种以上语言)
151,642 个用户
Sidebery
Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.
74,039 个用户
Dark Mode
Dark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.
31,551 个用户
495 个用户
4,611 个用户
1,975 个用户
Grammar and Spell Checker - LanguageTool
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.
342,167 个用户
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
328,379 个用户
LeechBlock NG
LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
64,259 个用户
Dark Background and Light Text
Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.
34,490 个用户
Global Speed: 视频速度控制
设置视频和音频的默认速度。
59,221 个用户
划词翻译
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。
57,268 个用户
Privacy Extension For WhatsApp™ Web
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.
33,411 个用户
KeepSolid VPN Unlimited® - 浏览器的最佳代理服务器
VPN Unlimited - 适用于 Firefox 浏览器的可靠、易用、快速的 VPN 扩展程序
4,244 个用户