Developer Tools

Adds MetaMask’s legacy window.web3 API to your browser

Simple script which places the IP of the current website in the bottom right.

This extension helps web masters to test web application behaviour with Content Security Policy version 2.0 implemented.

Simplifies the GitHub interface and adds useful features

Get the page load times of any web page! app.telemetry Page Speed Monitor shows offset and duration of website performance metrics.

Simple editor for Storage Area for Chrome Packaged Apps & Extensions

Enable code folding when viewing files in GitHub.

Determines browser window width and which bootstrap viewport is in use.

CodinGame Sync allows you to synchronize an external file with the CodinGame editor, so you can use your own code editor.

LinkParser analyzes the links of the current page. It can differentiate between 9 link types & mark them in different colors.

Python shell for your browser.

A find-in-page extension for Google Chrome with support for regular expressions.