Need to get Delete switch
1. Mozilla Firefox
2. Grease Monkey addon
3. Facebook Script
How To Delete All Facebook Messages At Once
Actions To Remove All Facebook Message In Solitary Click
1. Open Mozilla Firefox. If you do not have then download it from Here
2. Now mount Mechanic addon from Here
3. Reactivate Firefox after installment is total.
4. Now login to your Facebook Account( in firefox internet browser).
5. Go Here and click "Install" to mount Facebook manuscript.
6. Now follow steps in Firefox( also shown in picture below) in your Facebook account tab
Devices- > Greasemonkey- > Facebook Message Erase switch.
7. Open up Messages and also you will obtain a switch similar to this at the ideal most side of your pal name:
This button will erase your chat with your close friend with a solitary click with no verification. Delight in guys!