When browsing the web, there are many download links of media files (like audio, video and images) available on websites. But most of these links might not be available for access directly in the website. Media Sniffer is a simple freeware tool which sniffs out all the downloadable URLs from any website automatically when you open any website on your browser.
When you are viewing videos on a web browser, or downloading media on iTunes etc., this tool can often sniff out the download links of these media. Then you can download them directly by any http download tools. The application has both IPv4 and IPv6 are support.
You need to have WinPcap tool installed before you use this tool.
Related: Get URL of Streaming Video and Audio from any Web Page