| Master Password+ | | - | | |
| Master Password Timeout (Updated) | | - | | |
| Master Password Timeout | | - | | |
| Mass Password Reset | | - | | |
| Mass Forget | | - | | |
| MaskMe | | - | | |
| Magic Password Generator | | - | | |
| Lympha2 | | - | | |
| Lympha | | - | | |
| Log Me In | | - | | |
| Location Guard | | - | | |
| Local CDN | | - | | |
| Link-D-ACB | | - | | |
| Lightbeam | | - | | |
| LeechBlock NG | | - | | |
| LeechBlock | | - | | |
| Leak Monitor | | - | | |
| Kill Cookies | | - | | |
| KeeFox | | - | | |
| JavaScript Switch | | - | | |
| IsAdmin | | - | | |
| Incognito This Tab | | - | | |
| ILovePrivacy | | - | | |
| Host Permissions | | - | | |
| HistoryBlock | | - | | |
| History disable button | | - | | |
| History Zebra | | - | | |
| History Janitor | | - | | |
| History Deleter | | - | | |
| History Cleaner | | - | | |
| History AutoDelete | | - | | |
| Historify | | - | | |
| Historia | | - | | |
| Heartbleed-Ext | | - | | |
| Heartbleed Notifier | | - | | |
| Heartbleed Monitor | | - | | |
| Heartbleed | | - | | |
| HeaderControlRevived | | - | | |
| Happy Bonobo： Useragent Entropy | | - | | |
| Happy Bonobo： Clear Screen Identifiers | | - | | |
| HTTP UserAgent cleaner | | - | | |
| HTTP Logout | | - | | |
| HTTP Header Mangler | | - | | |
| HTTP Content Security Policy Detector | | - | | |
| HTML Content Blocker | | - | | |
| Google Privacy | | - | | |
| Google Disconnect | | - | | |
| Google Analytics Opt-out Browser Add-on | | - | | |
| Ghostery | | - | | |
| GNU LibreJS | | - | | |