Easily convert JPG image files to PNG.
Easily convert JPG image files to GIF.
Easily convert JPG image files to ICO.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Generate a SHA-512 hash for any string input.
Upload a QR code image and extract the data out of it.
Take an IP and try to look for the domain/host associated with it.
Check whether a website is using the new HTTP/2 protocol or not.
Make sure your passwords are good enough.