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How to use different themes on different profiles

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  • Last reply by cor-el

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I have three Firefox profiles: A, B, and C. I tried to give them all different themes. A has a red theme and keeps it consistently. B, my default profile, should have a green theme, and C should have a black theme. However, when I change B's theme to green, the theme on C also changes to green, and when I change the theme on C to black, the theme for B also changes to black. I don't know what I did differently for A! How can I make my profile themes stick for B and C?

I have three Firefox profiles: A, B, and C. I tried to give them all different themes. A has a red theme and keeps it consistently. B, my default profile, should have a green theme, and C should have a black theme. However, when I change B's theme to green, the theme on C also changes to green, and when I change the theme on C to black, the theme for B also changes to black. I don't know what I did differently for A! How can I make my profile themes stick for B and C?

Chosen solution

I just realized that I'm logged in to the same Firefox account on both profiles and syncing data! So it must be syncing themes too. I've logged out on one and expect that will fix the problem.

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Chosen Solution

I just realized that I'm logged in to the same Firefox account on both profiles and syncing data! So it must be syncing themes too. I've logged out on one and expect that will fix the problem.

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You can exclude the selected theme from Sync by setting this pref to false on the about:config page.

  • about:config => services.sync.prefs.sync.extensions.activeThemeID = false

You can open the about:config page via the location/address bar. You can click the button to "Accept the Risk and Continue".

WARNING: Changing preferences through this interface not officially supported Hidden settings edited using the about:config tool are explicitly not supported, which means that Mozilla makes no guarantees they will be supported in the future, or that Mozilla will fix them if they break. Mozilla does not test these preferences, and will not in the future. That includes security and performance testing which these preferences may affect.

[Warning added by moderator]

Modified by Chris Ilias