Minify your HTML by removing all the unnecessary characters.
Minify your JS by removing all the unnecessary characters.
Convert text to ascii and the other way for any string input.
Upload a image and extract the data out of it.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Separate text back and forth by new lines, commas, dots...etc.
Decode URL input to back to a normal string.
Get all possible details about a domain name.