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how to delete all thmes at once

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hello i have around 30+ themes and i want to delete all of themes (because i want to keep the favorite ones ) but if i delete them one by one takes time , is there any option to delete them all at once i haven't found anything on internet

hello i have around 30+ themes and i want to delete all of themes (because i want to keep the favorite ones ) but if i delete them one by one takes time , is there any option to delete them all at once i haven't found anything on internet

Chosen solution

Thanks this is how I deleted theme

In the Firefox folder, there is a folder called extension in there you can find add-ons and themes witch i deleted all themes

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Are that themes you installed from the Add-ons (AMO) website or built-in colorways themes ?

You can try to rename extensions.json (extensionsOLD.json) in the Firefox profile folder as that is where all add-ons are registered. Extension's XPI files are stored in the extensions folder.

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Chosen Solution

Thanks this is how I deleted theme

In the Firefox folder, there is a folder called extension in there you can find add-ons and themes witch i deleted all themes