Is there a way to get the background image for a Firefox theme downloaded from the Mozilla add-on website? Mainly I want the image for this theme:


Previous threads such as this one: where are Firefox personas images saved? don't help, as the "lightweight theme" entry in about:config is empty for me (shows []). I think the above theme is not lightweight.

I tried going to APPDATA/Roaming -> Mozilla -> Firefox -> Profiles folder but nothing inside there is an image file.

Any help would be appreciated, thank you.

  • Did you mean the image shown in tittlebar in Firefox window? Then you can download the extension and extract the image from it. For example, download this, extract the PNG file with 7zip. – Biswapriyo Nov 22 '19 at 17:55
  • For anyone else in the future, the way to download a firefox theme as an .xpi file is right click the Install button and select "Save Link As". These .xpi files can then be opened using WinRAR or 7zip. Thank you @Biswapriyo for the help, I got the PNG now! Appreciate it. If anyone can tell me how to mark this question as solved, would help a lot, thanks. – Ed Polo Nov 30 '19 at 18:04

To download the title-bar image of any Firefox add-on theme, go to the page of the theme. Ensure it is not already installed in your browser.

  1. Right-click the "Install" blue button on the page, and select the "Save Link As" option.
  2. This should download a .xpi file, which can be opened and extracted using software such as WinRAR or 7Zip.
  3. After extracting the files, the content should include a PNG image which will be the title-bar header image of the Firefox add-on theme.

All done! This is how you get the image of any theme in Firefox.

This answer was provided by @Biswapriyo.

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