Convert text to binary and the other way for any string input.
Convert text to hexadecimal and the other way for any string input.
Convert text to ascii and the other way for any string input.
Convert text to octal and the other way for any string input.
Generate passwords with custom length and custom settings.
Get approximate IP details.
Minify your CSS by removing all the unnecessary characters.
Transform an image input to a Base64 string.
Take an IP and try to look for the domain/host associated with it.
Compress and optimize images for a smaller image size but still high quality.