Get started making themes!

Add-ons Themes
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Themes let you customize the appearance of your Firefox. You can add background images to the header of your browser or change the colors of various components like the URL bar or the tab text. It’s easy to create themes using the theme wizard on addons.mozilla.org or Firefox Color.

To get started, check out the Themes section of Firefox Extension Workshop. The site offers a tutorial for using the theme wizard and instructions for coding your own theme. We’ve also added information about how to update themes using the theme wizard or by submitting a new file package.

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I tried making my own theme. I uploaded the image for the header and then on the preview part nothing showed up. How do I fix it lol.

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Wow, this is very helpful. Thank you so much for the information.

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firefox is without a doubt the best browser.

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Of course it is! We all love it and use it, keeping it updated, etc. Go Firefox!

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Thank You So much this very helpful information,

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I created 4-5 themes with Firefox Color and submitted them and I get were says “Incomplete” that the reason is “Spam” so I edited my username to be related to my name and not to the site of the institute were I work.

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Amazing, this content is helpfull