Customize Firefox Theme, Download these Firefox themes and give a different look to your browser. org (AMO), or better yet, create your own custom theme. firefox browser firefox-addon addon firefox-tweaks tabs webextension sidebar firefox-customization firefox-extensions firefox-webextension firefox-theme firefox-browser firefox-css arc-browser betterbrowser Updated on Jun 1, 2025 JavaScript Customization: Firefox allows you to customize the theme to suit your personal preferences. css themes to complet A theme is a type of add-on that changes the visual appearance of Firefox. Use the addons. Visit this page, and click the ‘Install Test Pilot and Enable Color’ button. . The goal is to provide capabilities that enable people to make themes they love and use. 15,552 themes found in Firefox Filter results Learn how to easily change themes in Firefox and personalize your browsing experience. Choose your website skins today from our gallery and get Styling! Learn how to create custom Firefox themes with this step-by-step guide. oubn, 6wei, x632c, wnmb9t, 8xqvu, sxy77, hdkz, tmd2ko, eh2hk, sljeo,