Easily convert HEIC image files to PNG.
Easily convert HEIC image files to JPG.
Extract email addresses from any kind of text content.
Get the gravatar.com globally recognized avatar for any email.
Make sure your passwords are good enough.
Get & verify the meta tags of any website.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get details of any file type, such as the mime type or last edit date.