Get approximate IP details.
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 the gravatar.com globally recognized avatar for any email.
Use the Google translator API to generate text to speech audio.
Extract email addresses from any kind of text content.
Check for 301 & 302 redirects of a specific URL. It will check for up to 10 redirects.
Make sure your passwords are good enough.