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Convert text to binary and the other way for any string input.
Convert text to ascii and the other way for any string input.
Convert text to decimal and the other way for any string input.
Convert text to octal and the other way for any string input.
Get the gravatar.com globally recognized avatar for any email.
Get the web-host of a given website.
Easily generate your own custom signature and download it with ease.
Make sure your passwords are good enough.
Parse details from user agent strings.