Sleipnir
The facts below are what the maker publishes about Sleipnir, checked and dated. Our editors have not written about it yet.
Plans and prices
From Sleipnir's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Sleipnir 6 for Windows | Free | Windows 10 / 11 |
| Sleipnir for Mac | Free | macOS 10.13 High Sierra or later · download temporarily paused due to issues on macOS Tahoe 26 |
The facts
Each one read from Sleipnir's own pages, with the date it was checked.
What it does
- Bookmarks
- Sleipnir can synchronize bookmarks with Sleipnir on iPhone, iPad, Android, and Windows.checked 11 Oct 2026
- Built-in ad blocking
- Yeschecked 23 Sep 2026
- Compatibility
- The browser uses the Blink engine, which the maker says is also used by Google Chrome.checked 11 Oct 2026
- Extensions
- Chrome extensions are supported on the Windows version; the Mac version currently does not support extensions.checked 11 Oct 2026
- Extension support
- chrome_storechecked 23 Sep 2026
- Gestures
- On Windows, users can use right-button mouse gestures to switch or close tabs, go back, reload, and restore closed tabs.checked 11 Oct 2026
- Mobile versions
- Fenrir also offers Sleipnir Mobile for iPhone and Android, with finger gestures for browsing.checked 11 Oct 2026
- Privacy
- The maker says recommended articles are generated locally, so they do not raise privacy concerns.checked 11 Oct 2026
- Product
- Sleipnir 6 is a web browser designed for Windows and Mac.checked 11 Oct 2026
- Reading
- Sleipnir uses adjusted font rendering to make web text more beautiful and readable.checked 11 Oct 2026
- Search and navigation
- The Portal Field searches and opens pages from search results, bookmarks, browsing history, and addresses.checked 11 Oct 2026
- Security
- Fenrir's company security policy describes operating, monitoring, reviewing, maintaining, and continually improving its security management system.checked 11 Oct 2026
- Support
- Fenrir directs visitors to its email form for inquiries and notes it may not be able to respond by phone.checked 11 Oct 2026
- Tab navigation
- TiledTab displays large thumbnails of open tabs so users can survey and organize them.checked 11 Oct 2026
- Tabs
- Tabs show page thumbnails, can be grouped by dragging, and related tabs can be grouped automatically.checked 11 Oct 2026
Where it runs
- Browser engine
- chromiumchecked 23 Sep 2026
- Cross-device sync
- Yeschecked 23 Sep 2026
- Mac limitation
- The maker says the Mac App Store version omits some basic features because of App Store restrictions.checked 11 Oct 2026
- Supported platforms
- bothchecked 23 Sep 2026
The company
- Founded
- 2002checked 19 Oct 2026
- Headquarters
- Osaka, Japanchecked 19 Oct 2026
Money
- Free plan
- Yeschecked 23 Sep 2026
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