Easily convert hours to seconds.
Easily convert hours to minutes.
Easily convert hours to days.
Easily convert hours to months.
Easily convert hours to years.
Get the gravatar.com globally recognized avatar for any email.
Get all possible details about an SSL certificate.
Get approximate IP details.
Take an IP and try to look for the domain/host associated with it.
Check if the URL is cached or not by Google.
Get & verify the meta tags of any website.