Minify your CSS by removing all the unnecessary characters.
Minify your JS by removing all the unnecessary characters.
Make sure your passwords are good enough.
Get all the HTTP headers that an URL returns for a typical GET request.
Easily generate dummy text with the Lorem Ipsum generator.
Generate deep link mailto with subject, body, cc, bcc & get the HTML code as well.
Convert text to hexadecimal and the other way for any string input.
Validate JSON content and make it looks good.