Browse 17,195 Developer Tools Chrome extensions available from Chrome Web Store. Open any listing to compare its publisher, audience, ratings, permissions, reviews, and historical ranking data. This category overview is refreshed as new store data becomes available.
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17,195 results. Page 1 of 688.
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies
4,000,000
4.58 
(3,944)
(3,944)
The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.
3,000,000
3.91 (1,310)
(1,310)
Meta Ads Data Advisor automates connecting your website and marketing data to Meta for better ad performance. No developers needed.
3,000,000
3.87 (1,269)
(1,269)
Spoofs & Mimics User-Agent strings.
1,000,000
3.86 (2,679)
(2,679)
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
1,000,000
4.40 (334)
(334)
Instant website analysis, AI traffic insights, and SEO metrics at your fingertips.
1,000,000
4.65 (3,807)
(3,807)
Adds a toolbar button with various web developer tools.
1,000,000
4.45 (2,832)
(2,832)
Pick colors from any website.
1,000,000
4.31 (3,024)
(3,024)
Run page-level SEO audits, check technical issues, analyze links and keyword density, and view Semrush metrics.
1,000,000
4.49 (2,614)
(2,614)
Redesign the web with Stylus, a user styles manager. Stylus allows you to easily install themes and skins for many popular sites.
1,000,000
4.52 (1,238)
(1,238)
Powerful, user-friendly browser data management, right from your toolbar.
900,000
4.45 (1,193)
(1,193)
Displays all meta data and main SEO information for the best SEO
900,000
4.87 (1,257)
(1,257)
HEX, RGB Color picker, Advanched Eyedropper, Find color code on any page
700,000
4.02 (267)
(267)
Capture requests from any website and send them to Postman Client.
700,000
4.28 (950)
(950)
Get SEO insights at the click of a button to any website you're currently on. Built by full-time SEO's for daily analysis.
600,000
4.91 (232)
(232)
Prints useful information to the JavaScript console by enabling the debug version of the Google Analytics Javascript.
600,000
4.17 (537)
(537)
Productivity tools for Salesforce administrators and developers to inspect data and metadata directly from the Salesforce UI.
500,000
4.81 (236)
(236)
Inspect website styles in seconds. Supercharge your workflow, and save hours of work.
400,000
4.11 (474)
(474)
A form filler that fills all inputs on a page with fake/dummy data.
400,000
4.42 (796)
(796)
Locators Plugin to Auto Generate and Verify Playwright Locators, XPath & CSS Selectors.
400,000
4.80 (1,494)
(1,494)
Angular DevTools extends Chrome DevTools adding Angular specific debugging and profiling capabilities.
400,000
3.72 (191)
(191)
Spoof websites trying to gather information about your web navigation to deliver distinct content you may not want
400,000
4.32 (272)
(272)
An easy-to-use font inspector to get CSS styles of the selected element
400,000
4.49 (228)
(228)
Show multiple screens once, Responsive design tester
300,000
4.23 (348)
(348)
Find out what the website you are visiting is built with using this extension.
300,000
4.31 (413)
(413)17,195 results. Page 1 of 688.