ColorZilla
Advanced Eyedropper, Colour Picker, Gradient Generator and other colourful goodies
Inspect rendered and computed CSS of any element on a webpage
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CSS Master is a lightweight browser extension that lets you instantly view the CSS of any element on a webpage — just hover over it.
Instead of opening DevTools, searching through nested elements, and wasting time, CSS Master gives you the exact styles you need in a clean, easy-to-read format.
What It Does
Shows CSS properties of any element when you hover over it
Highlights the selected element for clear visual context
Displays styles in a structured and readable way
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Advanced Eyedropper, Colour Picker, Gradient Generator and other colourful goodies
The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.
Spoofs & Mimics User-Agent strings.
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
Adds a toolbar button with various web developer tools.
Instant website analysis, AI traffic insights, and SEO metrics at your fingertips.