Burp Suite is an integrated platform for performing security testing of web applications. Its various tools work seamlessly together to support the entire testing process, from initial mapping and analysis of an application's attack surface, through to finding and exploiting security vulnerabilities. It is designed to support the methodology of a hands-on tester, and gives you complete control over the actions that it performs, and deep analysis of the results. It can automate all kinds of tasks in customizable ways, and lets you combine manual and automated techniques to make your testing faster, more reliable and more fun.
Burp is easy to use and intuitive, allowing new users to begin working right away. Burp is also highly configurable, and contains numerous powerful features to assist the most experienced testers with their work.