ColorZilla
Advanced Eyedropper, Colour Picker, Gradient Generator and other colourful goodies
Click any element to get its CSS selector and XPath. Copy as CSS, XPath, Playwright, Puppeteer, or jQuery.
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PickSelector generates optimal CSS selectors and XPath expressions for any element on a page. Click to pick, copy in your preferred format. A modern replacement for SelectorGadget.
FEATURES:
• Visual Element Picker — hover to highlight, click to select
• Optimal CSS Selectors — uses IDs, unique classes, and nth-of-type for minimal, stable selectors
• XPath Generation — full XPath with index-based disambiguation
• 5 Copy Formats:
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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.