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.
Get all possible details about an SSL certificate.
Get all possible details about a domain name.
Ping a website, server or port..
Get approximate IP details.
Convert text to binary and the other way for any string input.
Convert text to ascii and the other way for any string input.
Decode Base64 input to an image.
Compress and optimize images for a smaller image size but still high quality.