about:config tweaks to enhance Mozilla Firefox.
These prefs are applicable for:
Using regular Firefox? Switch back to the main branch.
If you don't have it already: Get Firefox
- Create a backup profile.
- Download the user.js file here (Right click >
Save Link As…
). - Review Common Overrides and make any necessary changes.
- Open Firefox. In the URL bar, type
about:profiles
and pressEnter
. - For the profile you want to use (or use default), click
Open Folder
in the Root Directory section. - Move the
user.js
file into the folder.
After restarting Firefox:
- Get an ad blocker like uBlock Origin with our recommended filters. For a simple solution, use Ghostery.
- Enable DNS-level protection with NextDNS, and check out our configuration guide.
- See how to quickly enable secure DNS in Firefox.
Betterfox is a great balance of privacy and convenience.
See Optional Hardening for other suggestions.