Easily convert HEIC image files to GIF.
Easily convert HEIC image files to PNG.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Make sure your passwords are good enough.
Get the gravatar.com globally recognized avatar for any email.
Easily remove duplicate lines from a text.
Get approximate IP details.
Get all possible details about an SSL certificate.