Full page screen capture and screen recorder - 2 in 1. Share screencast video instantly

Instantly test your webpage on any desktop or mobile browser.

A zoomed eyedropper & color chooser tool that allows you to select color values from webpages and mo...

A simple CSS property viewer.

Get programming news with zero effort. Simply open a new tab, and you’re all set. A must-have tool f...

Adds outline to all elements on the page to show the culprit element which is changing desired layou...

Fake Filler a form filler that fills all inputs on a page with fake/dummy data.

Identify fonts from any website, bookmark, try, and buy them.

Capture a screenshot of your current page in entirety and reliably—without requesting any extra perm...

Hackertab helps developers stay up-to-date with the latest dev news and resources in one tab.

Find and download all images on a web page. With Imageye you can find, browse and download all the i...

Formats and colors JSON content for better readability. It can also collapse and expand nested struc...

Validate and view JSON documents.

Quickly check and adjust contrast in real-time in your browser to meet WCAG 2.1 requirements

Adds a semi-transparent image overlay over the top of the developed HTML to easily perform pixel per...

Inserts the Pesticide CSS into the current page, outlining each HTML element to better see placement...

React debugging tools to the Chrome Developer Tools. It allows you to inspect the React component hi...

Show multiple screens once, Responsive design tester

A SEO tool that includes features like on-page SEO analysis, broken link checking, and SERP preview ...

A must-have tool for designers and frontend developers to grab colors for any website.

Change the appearance of the web instantly.

Identify usability issues through a heuristic evaluation.

Open source web design debug tool built with JavaScript

Wappalyzer is a technology profiler that shows you what websites are built with.

Adds a toolbar button with various web developer tools.