| Permit Cookies | | - | | |
| Permit Cookies 2 | | - | | |
| Perspectives | | - | | |
| Policeman | | - | | |
| Policy Control | | - | | |
| PopUp LogOut | | - | | |
| Precise Clear History | | - | | |
| Presentation Mode | | - | | |
| Priv3+ | | - | | |
| Priv8 | | - | | |
| Priv8 Search | | - | | |
| Privacy Badger | | - | | |
| Privacy Plus | | - | | |
| Privacy Protector Plus | | - | | |
| Privacy Settings | | - | | |
| Private Bookmarks | | - | | |
| ProCon | | - | | |
| ProfilePassword | | - | | |
| Public Fox | | - | | |
| PwdHash | | - | | |
| QuickPasswords | | - | | |
| RPF-Enabled RequestPolicy | | - | | |
| RPKI Validator | | - | | |
| Random Agent Spoofer | | - | | |
| Redirect Cleaner | | - | | |
| Redirect Control | | - | | |
| Redirect Remover | | - | | |
| RedirectCleaner | | - | | |
| RefControl | | - | | |
| Referer Control | | - | | |
| Referrer Control | | - | | |
| Referrer Switch | | - | | |
| Remember Passwords | | - | | |
| RememberPass | | - | | |
| Remove All Cookies | | - | | |
| Remove Cookie(s) for Site | | - | | |
| Remove Visited Link | | - | | |
| Remove cookies button | | - | | |
| Request Blocker | | - | | |
| Request Control | | - | | |
| RequestPolicy | | - | | |
| RequestPolicy Continued | | - | | |
| RoboForm Password Manager | | - | | |
| SSL Button | | - | | |
| SSleuth | | - | | |
| Safe | | - | | |
| Safe Preview | | - | | |
| Safeguard | | - | | |
| Sanitisminau | | - | | |
| Saved password editor | | - | | |
