Callback Hell is a free Chrome add-on developed by serv.ing.apps. It falls under the category of Browsers and specifically belongs to the Add-ons & Tools subcategory. This add-on serves as a useful tool for developers by listing all callbacks related to WebRequest, WebNavigation, and History API.

The main purpose of Callback Hell is to print all WebRequest, WebNavigation, and History API callbacks to the log. It is designed to be used for development purposes, allowing developers to easily track and monitor the callbacks happening in their Chrome browser.

To use Callback Hell, simply follow these steps:

1. Open the Chrome browser.

2. Go to the extensions page by typing "chrome:extensions" in the address bar.

3. Enable developer mode by clicking the toggle switch.

4. Locate the Callback Hell extension and click on "background page".

5. Open the console in the resulting window to view the logged callbacks.

With Callback Hell, developers can gain valuable insights into the callbacks occurring within their Chrome browser, making it easier to debug and optimize their applications.