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..
Easily convert months to weeks.
Encode any string input to Base64.
Easily convert nibbles to zebibytes (ZiB).
Check if the URL is cached or not by Google.
Easily convert bytes (B) to petabytes (PB).
Convert forum type bbcode snippets to raw HTML code.