Convert your RGB color format to HEX format.
Convert your RGB color format to HEXA format.
Convert your RGB color format to RGBA format.
Convert your RGB color format to HSV format.
Convert your RGB color format to HSLA format.
Get the gravatar.com globally recognized avatar for any email.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Make sure your passwords are good enough.
Check if the URL is cached or not by Google.
Get details of any file type, such as the mime type or last edit date.
Get the web-host of a given website.