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.
Convert forum type bbcode snippets to raw HTML code.
Flip, upside down text with ease.
Generate whatsapp message links with ease.
Ping a website, server or port.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Check if the URL is banned and marked as safe/unsafe by Google.