Convert your HEX color format to HEXA format.
Convert your HEX color format to RGB format.
Convert your HEX color format to RGBA format.
Convert your HEX color format to HSV format.
Convert your HEX color format to HSLA format.
Get all possible details about an SSL certificate.
Ping a website, server or port..
Get all possible details about a domain name.
Make sure your passwords are good enough.
Extract email addresses from any kind of text content.
Use the Google translator API to generate text to speech audio.