How to delete inactive friends on facebook?

Top Friends could help you build your quality friend list let Top Friends help you to do that.

* Features:
- Show friend engagement interactive statistics based on likes/react comments mutual friends messages.
- Sort and show top friends
- Remove friends who have a low  engagement score

Warning:

Using this extension can make your account locked temporarily (checkpointed by Facebook). Should not be abused or used with high frequency. This app is intended only for those who are knowledgeable about Facebook security.

Any feedback please contact https://facebook.com/Lzdev.org