Take an IP and try to look for the domain/host associated with it.
Get approximate IP details.
Get all possible details about an SSL certificate.
Get all possible details about a domain name.
Ping a website, server or port..
Validate JSON content and make it looks good.
Easily convert bits (bit) to mebibytes (MiB).
Easily convert bits (bit) to kilobytes (kB).
Convert your HSV color format to RGB format.
Convert normal text to cursive font type.
Convert a number to written, spelled out words.