Tamper Data

Tamper Data is a simple, fast and effective tool that is used for security testing. The main quality of it is that it gives an opportunity to view, record and modify outgoing HTTP requests.

It is an extension for browsers so it has no problems with HTTPS connections, client authentication certificates or other features that the browser can support. With the help of Tamper Data, it is possible to time responses and parameters that were sent and also http connections.