Checkbot is a Chrome extension that will help you understand what is happening with your site in order embrace better approaches while fixing issue...

Checkbot is a Chrome extension that will help you understand what is happening with your site in order embrace better approaches while fixing issues on your site. It features a quick an easy installation that runs altogether with Chrome web dev tools, it lets you export lists of URLs to CSV, allowing you to embrace development methodologies and working in a team. Also, Checkbot easily lets you check private or local sites embracing all stages of development. Checkbot without a doubt is the right tool to start optimizing your website today.

'DebugCSS is a powerful bookmarklet which loads on your existing page to highlight potentially broken, malformed or legacy (X)HTML. Errors are colo...

'DebugCSS is a powerful bookmarklet which loads on your existing page to highlight potentially broken, malformed or legacy (X)HTML. Errors are colored to highlight severity: Green, yellow and red (fix this now!)'

A browser extension for Google Chrome, Firefox, Opera and Safari to show a tree for GitHub and GitLab projects. It is very useful for accessing and...

A browser extension for Google Chrome, Firefox, Opera and Safari to show a tree for GitHub and GitLab projects. It is very useful for accessing and exploring, and it's easy to navigate. It is fast to browse and supports private repositories as well.

A PHP extension for Google Chrome to make development easier thanks to a complete documentation right on your browser. The extension has good revie...

A PHP extension for Google Chrome to make development easier thanks to a complete documentation right on your browser. The extension has good reviews, it's lightweight and fast, and even tough it's old, it is still supported.

A simple measurement tool to get pixel dimensions of web elements. Among its features you can establish the width, height and top, bottom, left and...

A simple measurement tool to get pixel dimensions of web elements. Among its features you can establish the width, height and top, bottom, left and right position, drag the edges of the ruler to resize it, use the arrow keys to move and resize the ruler and more.

Uppy is a browser extension to upload JavaScript files directly from Dropbox, Instagram, local disks, remote URLs, and more. It has a plugin-based ...

Uppy is a browser extension to upload JavaScript files directly from Dropbox, Instagram, local disks, remote URLs, and more. It has a plugin-based architecture making it extensible and robust. However it is in the early stages of development, but it's open source, so you can improve it. Licensed under MIT.

JWT Inspector is an extension to inspect JSON Web tokens in requests, cookies, and local storage that can be added to Chrome browser, and quite soo...

JWT Inspector is an extension to inspect JSON Web tokens in requests, cookies, and local storage that can be added to Chrome browser, and quite soon will be available for Firefox and Safari as well.

A Mozilla extension for visualizing JSON files directly on the browser nicely formatted instead of prompting to download it or rendering it as text...

A Mozilla extension for visualizing JSON files directly on the browser nicely formatted instead of prompting to download it or rendering it as text featuring collapsible array and object sections.

A jQuery extension for allowing dragging functionality on DOM elements without using the jQuery UI library. It can be used with trackpads, mice and...

A jQuery extension for allowing dragging functionality on DOM elements without using the jQuery UI library. It can be used with trackpads, mice and touch devices. Supported browsers are Chrome, Safari (Desktop and Mobile), Internet Explorer (8, 9, 10+) and Firefox. This extension was created by Nathan Rutzky and it's free and open source.