NOTE: This will only cover basic settings found in about:preferences. I would highly recommend most users check out my Phoenix project for more advanced & comprehensive configuration.

General

General

Startup

Open previous windows and tabs -> ❌

Always check if Firefox is your default browser -> ❌

Tabs

Open links in tabs instead of new windows -> ✅

Enable Container Tabs -> ✅ (If you have the option)

Language and Appearance

Language

Choose your preferred language for displaying pages -> Choose… -> Request English versions of web pages for enhanced privacy -> ✅

Translations

Download languages for offline translation -> Download all

Files and Applications

Downloads

Always ask you where to save files -> ✅

Applications

What should Firefox do with other files? -> Ask whether to open or save files

Browsing

Use autoscrolling -> ✅

Use smooth scrolling -> ✅

Search for text when you start typing -> ❌

Recommend extensions as you browse -> ❌

Recommend features as you browse -> ❌

Network Settings

Configure how Firefox connects to the internet. -> Settings… -> Configure Proxy Access to the Internet -> Proxy DNS when using SOCKS V4 -> ✅

Configure how Firefox connects to the internet. -> Settings… -> Configure Proxy Access to the Internet -> Proxy DNS when using SOCKS V5 -> ✅

Home

New Windows and Tabs

Homepage and new windows -> Firefox Home (Default)

New tabs -> Firefox Home (Default)

Firefox Home Content

Web Search -> ✅

Shortcuts -> ✅

Weather -> ❌

Recent activity -> ❌

Recent activity -> Visited pages -> ❌

Recent activity -> Bookmarks -> ❌

Recent activity -> Most recent download -> ❌

Search

Default Search Engine

Default Search Engine -> DuckDuckGo

Use this search engine in Private Windows -> ✅ (If you have the option)

Search Suggestions

Show search suggestions -> ❌

Show search suggestions -> Show search suggestions ahead of browsing history in address bar results -> ❌

Show search suggestions -> Show search suggestions in Private Windows -> ❌

Address Bar

When using the address bar, suggest:

Browsing history -> ❌

Bookmarks -> ✅

Clipboard -> ❌

Open tabs -> ✅

Shortcuts -> ✅

Search engines -> ❌

Privacy & Security

Browser Privacy

Enhanced Tracking Protection

Enhanced Tracking Protection -> Strict

Website Privacy Preferences

Tell websites not to sell or share my data -> ✅

Send websites a “Do Not Track” request -> ✅

Cookies and Site Data

Delete cookies and site data when Firefox is closed -> ✅

Automatically refuse cookie banners -> ✅ (If you have the option)

Passwords

Ask to save passwords -> ❌

Ask to save passwords:

Fill usernames and passwords automatically -> ❌

Suggest Firefox Relay email masks to protect your email address -> ❌

Autofill

Save and fill addresses -> ❌

Save and fill payment methods -> ❌

History

Firefox will -> Use custom settings for history

Always use private browsing mode:

Remember search and form history -> ❌

Clear history when Firefox closes -> ✅

Clear history when Firefox closes -> Settings…:

Clear browsing data and cookies -> Automatically clear all checked items when Firefox closes:

History -> ✅

Cookies and site data -> ✅

Temporary cached files and pages -> ✅

Permissions

You can still override these permission as needed per-site

Location -> Settings… -> Settings - Location Permissions -> Block new requests asking to access your location -> ✅

Camera -> Settings… -> Settings - Camera Permissions -> Block new requests asking to access your camera -> ✅ (Unless you use often)

Microphone -> Settings… -> Settings - Microphone Permissions -> Block new requests asking to access your microphone -> ✅ (Unless you use often)

Notifications -> Settings… -> Settings - Notifications Permissions -> Block new requests asking to allow notifications -> ✅

Autoplay -> Settings… -> Settings - Autoplay -> Default for all websites: -> Block Audio and Video

Virtual Reality -> Settings… -> Settings - Virtual Reality Permissions -> Block new requests asking to access your virtual reality devices -> ✅

Block pop-up windows -> ✅

Warn you when websites try to install add-ons -> ✅

Firefox Data Collection and Use

Allow Firefox to send technical and interaction data to Mozilla -> ❌

Allow Firefox to send technical and interaction data to Mozilla -> Allow Firefox to make personalized extension recommendations -> ❌

Allow Firefox to install and run studies -> ❌

Allow Firefox to send backlogged crash reports on your behalf -> ❌

Website Advertising Preferences

Allow websites to perform privacy-preserving ad measurement -> ❌

Security

Deceptive Content and Dangerous Software Protection

Block dangerous and deceptive content -> ✅

Block dangerous and deceptive content -> Block dangerous downloads -> ✅

Block dangerous and deceptive content -> Warn you about unwanted and uncommon software -> ✅

Certificates

Query OCSP responder servers to confirm the current validity of certificates -> ✅

HTTPS-Only Mode

HTTPS-Only Mode -> Only use HTTPS in all windows