FoxyProxy Standard
FoxyProxy は Firefox の限定的なプロキシ機能を置き換える、高度なプロキシ管理ツールです。SwitchProxy や ProxyButton、QuickProxy、xyzproxy、ProxyTex、TorButton などよりも多くの機能を提供します。
219,965 人のユーザー
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
95,935 人のユーザー
User-Agent Switcher and Manager
Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.
90,967 人のユーザー
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
77,289 人のユーザー
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
24,245 人のユーザー
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
18,600 人のユーザー
Port Authority
Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.
4,885 人のユーザー
React Developer Tools
React Developer Tools is a tool that allows you to inspect a React tree, including the component hierarchy, props, state, and more. To get started, just open the Firefox devtools and switch to the "⚛️ Components" or "⚛️ Profiler" tab.
182,843 人のユーザー
完全なWebページのスクリーンショット（♥♥♥♥♥）
FireShot makes full web page screenshots. Demo: http://bit.ly/RlBQMV Screenshots can be quickly captured and: ― Saved as Image or PDF ― Sent to clipboard ― Printed ― Annotated * ― Uploaded * ― E-Mailed * * OS Windows only
157,015 人のユーザー
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
140,519 人のユーザー
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
81,883 人のユーザー
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
78,180 人のユーザー
Web Developer
The Web Developer extension adds various web developer tools to the browser.
77,041 人のユーザー
