want to hide email address

Encode it in ASCII:
https://www.wbwip.com/wbw/emailencoder.html

Spam bots can still decode ASCII email addresses; they’re even being programmed to decode addresses that have extra characters added on as a spoof:

email[at]hotmail.com-removethis

Try https://www.hiddenmail.org to instantly convert your address to an image on the fly; users that click on the link will have to enter a security code to get your mailto: link.

Or just use a contact form: https://ryanduff.net/projects/wp-contactform/