FeHelper(前端助手)
FE助手：前端开发必备工具集，涵盖JSON格式化、代码美化与压缩、二维码生成、网页定制、便签笔记等数十种实用功能。界面现代、响应式设计，极致性能优化，国内可用，助力高效开发！
495 users
Environment Marker
Provides a way to add a color indicator or marker (ribbon) on a web page depending on the URL.
494 users
Seerobots
Seerobots let's you easily see the websites Meta-Robots (index/noindex and follow/nofollow) and X-Robots configuration...
493 users
YouLoop - Repeat video/audio endless on YouTube
Repeat video/audio endless on YouTube. Furthermore a partition loop function is enable.(for HTML5) -- Wiederholt Video/Audio endlos auf YouTube. Des Weiteren gibt es die Möglichkeit, nur einen bestimmten Ausschnitt endlos zu wiederholen.(für HTML5)
491 users
Night Mode - Dark Theme
A universal dark theme. Night Mode is an extension that helps you quickly turn the screen (browser) to dark at night time. Toolbar button serves as an On & Off switch which enables you to easily and quickly turn the extension On or Off.
490 users
pylote.io
Trouve des missions en te référençant sur une quinzaine de plateformes depuis une interface unique.
487 users
Moesif Origin & CORS Changer
The most popular and feature rich CORS tool on Chrome (over 100K weekly active users) is rebuilt for Firefox with more features. This plugin allows you to send cross-domain requests. You can also override Request Origin and CORS headers.
486 users
Internet Connection Monitor
Monitor the internet connection and display status in the toolbar.
484 users
Mobile phone emulator - test websites
Elevate your responsive web development workflow with the ultimate Mobile Phone Emulator.
483 users
WebHID
Brings the WebHID API to Firefox: configure your keyboard, use your hardware wallet, or control your USB DAC from any website, via a fast local daemon.
479 users
Preact Developer Tools
Only works with Preact 10.1.0 upwards Debugging tools for Preact. This extension allows you to inspect the component hierarchy and change properties on the fly.
476 users
SEO Pro Extension
SEO Pro extension helps to see all on-page and technical SEO aspects at a glance, including meta data, headers, canonical tags, meta robots, HTTP codes, alt tags, schema, Core Web Vitals, internal/external links, word count, social graph & more.
475 users
DesignPicker - Color Picker & Font Detector
A smart developer tool that supports color picking and font detecting, making develop design easier.
474 users
Web to PDF
Export any web page as a clean PDF — choose paper size, extract articles, force light mode, or save just your selection.
470 users
Minsait eSignature Web Extension
Complemento intermediario entre una aplicación web y una aplicación nativa para realizar firmas digitales.
464 users
