How to open a node form in popup after click on edit from front end? I added a edit link using hook_form_alter in my node form..When I clicked on this link it goes edit content page. But I need to open this form on popup and change the form value from here.

My question: How to open a node form in popup after click on edit from front end?
If you want to go through custom module you need to follow instructions given here. If you are looking for contrib module colorbox or modal forms to edit your content on modal popup(using Ctool).