Developer Tools

Dev Tools sidebar that aids finding unique CSS selectors for Selenium WebDriver tests.

Fetch user id of a Twitch username or the username of a Twitch user id.

Elasticsearch frontend

A replacement for the Java Plugin, so Java Applets that use LiveConnect but have no graphics continue to work.

Test with Litmus wherever you build

A tool for designers to measure screen dimensions

In-browser CSS Animation creator.

Adds context menu items to send image links and image files directly to the GIMP photo editor

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

Intercept and edit HTTP/HTTPS requests and responses as they happen without the need of a proxy.

Google Tag Manager and Google Analytics Debugging Tool

The easiest way to identify fonts on web pages.