Easily convert PNG image files to JPG.
Easily convert PNG image files to BMP.
Easily convert PNG image files to GIF.
Easily convert PNG image files to ICO.
Get all the HTTP headers that an URL returns for a typical GET request.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all possible details about an SSL certificate.
Ping a website, server or port..
Get approximate IP details.
Take an IP and try to look for the domain/host associated with it.