These prefs are applicable for:
Using regular Firefox? Switch back to the main branch.
- Download the user.js file here (Right click >
Save Link As…
). - Review Common Overrides and make any necessary changes.
- See also Optional Hardening for other recommendations.
- Open Firefox. In the URL bar, type
about:profiles
and press Enter. - 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.
- Enable DNS-level protection with NextDNS. Use the link and support this page!
- Check out our configuration guide for the best experience.
- See how to quickly enable secure DNS in Firefox.