Privacy Settings od Jeremy Schomery

Privacy Settings extension keeps all the built-in privacy and security related settings in one place. Each setting has a description and you can alter it right-from the extension's popup. Here is the complete list of settings that can be altered

1. privacy.network.networkPredictionEnabled
2. privacy.network.webRTCIPHandlingPolicy
3. privacy.services.alternateErrorPagesEnabled
4. privacy.services.autofillEnabled
5. privacy.services.hotwordSearchEnabled
6. privacy.services.passwordSavingEnabled
7. privacy.services.safeBrowsingEnabled
8. privacy.services.safeBrowsingExtendedReportingEnabled
9. privacy.services.searchSuggestEnabled
10. privacy.services.spellingServiceEnabled
11. privacy.services.translationServiceEnabled
12. privacy.websites.firstPartyIsolate
13. privacy.websites.thirdPartyCookiesAllowed
14. privacy.websites.hyperlinkAuditingEnabled
15. privacy.websites.referrersEnabled
16. privacy.websites.protectedContentEnabled

Note that some of these settings might not yet be supported by Firefox and hence are disabled.

For FAQs and general bug reports please visit:
https://add0n.com/privacy-settings.html

For technical bug reports use:
https://github.com/schomery/privacy-settings/