Easily convert JPG image files to PNG.
Easily convert JPG image files to GIF.
Easily convert JPG image files to ICO.
Easily convert JPG image files to BMP.
Extract email addresses from any kind of text content.
Get approximate IP details.
Get all possible details about an SSL certificate.
Ping a website, server or port..
Take an IP and try to look for the domain/host associated with it.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.