Setup Firefox

Manual Config

• Default Search Engine
• (Optional) Global Scaling - Default Value

Automatic Schema

Author's recommended settings:

1. Open Profile:

   How to copy?

   • Click copy button at top right corner
   • Three times click to copy one line

   In Linux, paste by middle click.

   firefox about:profiles

2. Find the "Root Directory" line of the table corresponding to "This profile is being used" and click on "Open Directory"

3. New a file, paste the following code and save it:

   This is PowerShell code below:

   How to copy?

   • Click copy button at top right corner
   • Three times click to copy one line

   In Linux, paste by middle click.

   Windows

   notepad user.js

   How to copy?

   • Click copy button at top right corner
   • Three times click to copy one line

   In Linux, paste by middle click.

   Unix

   vi user.js

   // After the download is complete, do not submit to Google for detection
   user_pref('browser.safebrowsing.downloads.enabled', false);
   // Select download directory each time
   user_pref('browser.download.useDownloadDir', false);
   // Lock Homepage
   user_pref('browser.startup.homepage', 'about:home');
   // Prevent Autoplay
   user_pref('media.autoplay.default', 5);
   // Search Highlight
   user_pref('findbar.highlightAll', true);
   // Allow middle click paste in the address bar
   user_pref('middlemouse.paste', true);
   
   // Homepage
   user_pref('browser.urlbar.suggest.searches', false);
   user_pref('browser.newtabpage.activity-stream.showSearch', false);
   user_pref('browser.newtabpage.activity-stream.showSponsoredTopSites', false);
   user_pref('browser.newtabpage.activity-stream.topSitesRows', 4);
   user_pref('browser.newtabpage.activity-stream.section.highlights.rows', 4);
   user_pref('browser.newtabpage.activity-stream.feeds.section.highlights', true);
   user_pref('browser.newtabpage.activity-stream.feeds.snippets', true);
   
   // HTTPS Only
   user_pref('dom.security.https_only_mode_pbm', true);
   user_pref('dom.security.https_only_mode_ever_enabled', true);
   user_pref('dom.security.https_only_mode_ever_enabled_pbm', true);
   
   // Automatic cloud completion of address bar
   user_pref('browser.urlbar.suggest.searches', false);
   
   // ECH
   user_pref('network.dns.echconfig.enabled', true);
   user_pref('network.dns.http3_echconfig.enabled', true);
   
   // Eliminate visual distractions
   user_pref('ui.key.menuAccessKeyFocuses', false);
   user_pref('extensions.pocket.enabled', false);
   user_pref('browser.aboutConfig.showWarning', false);

4. Restart Firefox

Attachment: path of Windows MSIX Edition

%LOCALAPPDATA%\Packages\Mozilla.Firefox_n80bbvh6b1yt2\LocalCache\Roaming\Mozilla\Firefox\Profiles

.default-release as default