UA Switcher
User Agent Switcher 是一款强大的工具，可帮助用户模拟不同设备访问网站，同时助力开发者测试 Bot 屏蔽与爬虫爬取状态，轻松掌握网站兼容性与安全性。
134 användare
Reminder
This is a reminder add-on which reminds you about the things u specify ,provided some time.
134 användare
Modify Headers DNR
Modify request and response headers through the DeclarativeNetRequest API
133 användare
Скриншот на VFL.Ru
С помощью этого дополнения вы можете создать скриншот (снимок) страницы и моментально разместить его на фотохостинге VFL.Ru, получив ссылку на страницу с созданным скриншотом, которую можно отправить тем, кому вы хотели бы показать скриншот.
133 användare
Pixel Ruler
A ruler for measure something in a website. Just press Alt button in a website and move your mouse.
133 användare
Image ALT
Check all image elements have an ALT attribute either empty for decoration or a accessible name.
133 användare
Referrer Switch
Adds a button to the toolbar to enable / spoof / disable sending referer header.
132 användare
AddHeader
add header This add-on would add custom header to HTTP requests. We can add headers to all requests or specific request for certain sites.
131 användare
Haloscan
Retrouvez en 1 clic les principales métriques d'Haloscan.com directement sur votre navigateur Firefox. Cette extension est gratuite, mais elle nécessite une connexion à un compte Haloscan.com pour récupérer les métriques.
130 användare
GeoLocationControl
Simulate geolocation by adding points into a map. You can also simulate movement across path.
130 användare
Download Reddit™ Videos
RedditVideodl.com allows you to download Reddit videos with Sound in HD Formats.
130 användare
Xdebug Session Cookie
This addon is for PHP developers that use tools with XDEBUG support.
129 användare
Mobile phone emulator - test websites
Elevate your responsive web development workflow with the ultimate Mobile Phone Emulator.
129 användare
Pieces for Developers: Copilot & Code Capture
The first AI that remembers everything you work on. Save and share materials, and boost your productivity with Long-Term Memory across your workflows.
129 användare
Netmon
Network monitor - view the HTTP headers of the current page, or globally, from all tabs. You can use it at any time, also after the page has loaded.
129 användare
WonderSwitcher
The WonderProxy Switcher allows you to switch between HTTP proxy servers quickly and easily to speed up your website testing. Import proxies from your WonderProxy account or add your own custom servers.
129 användare
