Basilisk Browser 2026.11.01 for Mac
Mac UtilitiesBasilisk is a free web browser for people who miss the classic way browsers used to work. It is built on the Unified XUL Platform and keeps a traditional interface that you can rearrange and theme to your liking. Long time Firefox users will feel at home, because Basilisk follows the design of Firefox from before its big interface changes and still supports classic extensions and plugins that newer browsers dropped. On a Mac it arrives as a disk image, and because automatic updates are not supported on macOS, you install new releases yourself when they appear.
Features of Basilisk Browser
- Traditional, highly customisable interface with themes and toolbars you control
- Support for classic XUL extensions and legacy plugins
- Built on the Unified XUL Platform with the Goanna rendering engine
- Full desktop browsing with tabs, bookmarks and history management
- Free and open source, developed independently of Mozilla
How to Download
Download Basilisk only from its official site, where the download page lists builds by operating system and processor. Choose the macOS disk image that matches your Mac, open it, and move the browser into your Applications folder. You can Download from the official site from the official download page, which also lists checksums for the current release. Mac builds do not update themselves, so check that page from time to time for new releases.
Frequently Asked Questions
Is Basilisk free?
Yes. Basilisk is free and open source software maintained by the Basilisk Development Team.
Does Basilisk support WebExtensions?
No. Basilisk does not support WebExtensions. It supports classic XUL extensions instead, which you can find on the Basilisk add ons site.
Will Basilisk update itself on my Mac?
No. Automatic updates are not supported on macOS, so install new releases manually from the official site.
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