Make sure your passwords are good enough.
Easily convert weeks to seconds.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Count the amount of characters and words of a given text.
Reverse the letters in a given sentence or paragraph with ease.
Easily convert GIF image files to JPG.
Easily convert nibbles to petabits (Pbit).