Malzilla is an open-source tool designed for security researchers and analysts focusing on the analysis of malicious web content. It allows users to deconstruct and examine web-based malware, such as JavaScript exploits, by providing features for decoding obfuscated code and analyzing URLs and scripts. The tool includes functionalities like integrated decoders and the ability to view HTTP requests and responses. Malzilla is useful for understanding and investigating malware distribution methods and potential vulnerabilities present in malicious websites. Users can download and access Malzilla through its website, http://malzilla.sourceforge.net/.