Convert your RGB color format to HEX format.
Convert your RGB color format to RGBA format.
Convert your RGB color format to HSV format.
Convert your RGB color format to HSL format.
Convert your RGB color format to HSLA format.
Make sure your passwords are good enough.
Get the gravatar.com globally recognized avatar for any email.
Get details of any file type, such as the mime type or last edit date.
Check if the URL is banned and marked as safe/unsafe by Google.
Get the web-host of a given website.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.