If you have lots of posts on your Facebook timeline and you want to delete them all, you are at the right place.
For Chrome Users
For Chrome users there is an extension available in chrome store named as 'Facebook - Delete My Timeline'.
1. Download and install it.
2. Log-in into that Facebook account and navigate to profile.
3. The page action icon will appear! If you click it, you will be prompted to delete all posts. Select yes, that it.
For Firefox Users
For Firefox users there is an add-on available also named as 'Facebook - Delete My Timeline'.
2. Press ALT (for toolbar) and click Tools.
3. Click add-on button then you will promoted to all visible pots have been deleted press OK and that's it.
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Enjoy and keep visiting...