Characters Counter
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Firefox 扩展 · 开发工具
Firefox 附加组件
Mozilla 附加组件站，标签体系最完整，隐私类扩展尤其集中。
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Characters Counter
Find out how many characters t…
FFirefox
MCP for claude.ai
Enable MCP on claude.ai
FFirefox
SpeedVitals
Perform Web Vitals Test & …
FFirefox
Keeper Wallet
Your entry point to the Waves …
FFirefox
CSS Spider
The fastest and easiest way to…
FFirefox
Auto Save HTML
Auto Save HTML is a small exte…
FFirefox
ASS Subtitle Player
Play local .ass and .srt subti…
FFirefox
Bart Proxy Switcher
Effortlessly change your proxi…
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Trello Card ID
Shows Trello card IDs for use …
FFirefox
uSwitch: Reddit Accounts For FireFox
Save and switch between Reddit…
FFirefox
ViewGrip: For YouTube
We will help you get more YouT…
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Cookie-Editor
A powerful Cookie Editor for t…
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Tamper Data Classic
View and modify HTTP/HTTPS hea…
FFirefox
字体查找器
安装字体查找器，以使用此字体识别器和检测器识别任何网页上的字…
FFirefox
View Page Source
Adds the ability to open the p…
FFirefox
Mimik: Step-by-Step Guides & Tutorials
Record any browser workflow as…
FFirefox
Folders for Gemini
Organize your Gemini chats int…
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PageRank Replacement by LinkResearchTools
The LRT Power*Trust metric hel…
FFirefox
极客侧边栏-免费DeepSeek丨书签云同步
使用ChatGPT、Claude、Grok和DeepSeek…
FFirefox
HTTP Header Spy
HTTP Header Spy enables you to…
FFirefox
Site Palette
Extract real color palettes fr…
FFirefox
Ghost Inspector - Web Test Recorder
Ghost Inspector is an automate…
FFirefox
MyIP - ip address and location details
This extension displays your p…
FFirefox
EyeBankWeb Plugin Adapter
This add-on allows FireFox to …
FFirefox