Firefox vs Dawn
Firefox is the open-source browser from Mozilla, built on its own engine rather than Chromium.
| Feature | Firefox |  Dawn |
|---|---|---|
| Tabs in a sidebar | Yes, since 2025 | Yes |
| Spaces for each project | No, tab groups and containers | Yes, each with its own theme |
| Profiles for separate logins | Yes | Yes, with spaces inside each |
| Split view | Yes, since 2026 | Yes, up to four pages |
| Tabs that put themselves away | No | Yes, after 12 hours (you choose) |
| Chrome Web Store extensions | No, Firefox add-ons | Yes |
| Imports from Arc | No | Yes: spaces, pinned tabs, folders, and favorites |
| Imports from other browsers | Chrome, Safari, Edge, Brave, and Opera, or a bookmarks file | Chrome, Firefox, Edge, Brave, Opera, Dia, and Zen, or Safari’s bookmarks file |
| Netflix, Disney+, and Spotify (DRM) | Yes | Yes |
| Built-in AI | Optional AI assistant | None |
| Platforms | Mac, Windows, Linux, iPhone, Android | Mac |
| Price | Free | Free |
What’s different
Built on Chromium
Dawn uses the same engine as Chrome, so sites work as they do there, and Chrome Web Store extensions install.
Spaces with pinned folders
Firefox has tab groups and containers. Dawn gives each project a space of its own, with folders inside folders.
Tabs that put themselves away
Tabs you didn’t pin archive themselves after 12 hours, and the command bar still finds them.
Where Firefox wins
It’s open source, runs everywhere, and syncs across your devices.
Switching from Firefox?
Dawn brings over your bookmarks in one click.
Switch me from Firefox to Dawn and bring my tabs along. Here’s how: https://dawn.example/llms.txt
Firefox and Dawn: questions
What comes over from Firefox?
Your bookmarks from the Firefox profile you used last: the toolbar, the menu, and other bookmarks. History, passwords, and add-ons stay in Firefox.
Sources: Netflix: supported browsers, Firefox’s importers, Firefox: vertical tabs, Firefox 149 release notes, Firefox: profiles. Checked October 2026.