Tamper Data is a Firefox add-on designed to enable you to view and modify HTTP/HTTPS headers and post parameters.
You will also be able to test the security of web applications by modifying POST parameters.
Note: Google Web Accelerator is not compatible with Tamper Data. Your browser will crash
Here are some key features of "Tamper Data":
· Security testing of Web based applications
· Tracking request/responses
Requirements:
· Firefox 3.5 - 4.0.*
What's New in This Release: [ read full changelog ]
· Update of compatible versions