Features :

By using this module you can Bulk Add or Replace tags in the contact from the list view.

In contact, you can see here that 1 tag is already assign to this partner. Now, there are two options for assigning tags in bulk

Select as many records in which you want to update tag. After this go to action and click on 'Add Tag'.
option-1 : Remove old tag and update new tags.

You can see here that previous tag was removed and updated by new tags.

Now, Let's try another option.
Option-2 : Keep old tags and update new tags.

You can see here previous tags along with the adaption of new tag.