Social Book Post Manager helps you to delete your posts through the activity log, which include posts by you, and by other persons/apps. You may specify “Year”, “Month”, “Text Contains”, and “Text Not Contains” filters for posts to delete. Plus the activity log filters provided by Facebook, you have full control of which posts to delete, and which posts to keep. Recent new features:
1) Text filters support AND/OR conditions.
2) Prescan the activity log. You can then select exactly which individual entries that you want to delete/hide/unhide/unlike/change privacy settings.
3) Hide/unhide timeline items.
4) Unlike items.
ALL the features are FREE for you to use, and totally UNLIMITED. It works in Chrome browser you can install the extension by clicking here.