Minify your CSS by removing all the unnecessary characters.
Minify your JS by removing all the unnecessary characters.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Extract email addresses from any kind of text content.
Get approximate IP details.
Check if the URL is banned and marked as safe/unsafe by Google.
Get all possible details about a domain name.
Get all possible details about an SSL certificate.