Middleman filtering proxy server

Middleman filtering proxy server

File rewriting with Perl compatible regular expression substitution.

Redirection using regular expression substitution on requested URL's.

Can process files with any external program.

Can forward through HTTP and SOCKS4 proxies; supports NTLM and Basic authentication.

Many URL commands to view information about a requested URL and temporarily change proxy settings; URL command to view changes made to a file with the file rewriting feature.

Supports gzip and deflate content encodings.

Showing changes made to a Webpageは面白そうだ