Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get approximate IP details.
Get all possible details about an SSL certificate.
Ping a website, server or port..
Make sure your passwords are good enough.
Upload a QR code image and extract the data out of it.
Generate deep link mailto with subject, body, cc, bcc & get the HTML code as well.
Easily generate dummy text with the Lorem Ipsum generator.
Easily convert IDN to Punnycode and back.
Validate JSON content and make it looks good.