How to generate POT file on a new WP theme?

Hi everyone,
I have developed a WP theme. I need to know how to generate a .pot file for this theme? Please give a suggestion.

You can use translate plugin (free or premium) for creating the .pot file.

Can you please give a link (best free) to a free translate plugin to generate a .pot file?

search in you will find some plugins. use any one of them which is more acceptable by users.