Minify your HTML by removing all the unnecessary characters.
Minify your JS by removing all the unnecessary characters.
Make sure your passwords are good enough.
Generate deep link mailto with subject, body, cc, bcc & get the HTML code as well.
Easily generate dummy text with the Lorem Ipsum generator.
Easily convert IDN to Punnycode and back.
Upload a QR code image and extract the data out of it.
Validate JSON content and make it looks good.