Convert text to binary and the other way for any string input.
Convert text to hexadecimal and the other way for any string input.
Convert text to decimal and the other way for any string input.
Convert text to octal and the other way for any string input.
Easily convert PNG image files to JPG.
Easily convert megabits (Mbit) to zebibits (Zibit).
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Make sure your passwords are good enough.
Reverse a list of given text lines.
Get approximate IP details.