Sleipnir v4.6.8 Updated

billon on 27 Jun 2019
  • 139MB (uncompressed)
  • Released on 27 Jun 2019
  • Suggested by AlephX

Sleipnir is a browser with dual-rendering capability using Internet Explorer and Chrome engines, known as Trident and Blink respectively. In addition, the program includes advanced tab management and a wide array of customizations, Chrome extension compatibility, RSS, passwords and forms management, mouse gestures, advanced drag and drop, keyboard shortcuts, available cloud synchronization using the maker's service and more.

Cross platform (Mac, Android, iPhone and Windows Phone).

NOTE: Version 6 of this program is available but may not be portable.

System Requirements: WinXP / Vista / Win7 / Win8 / Win10
Writes settings to: Application folder
Stealth: ? No
Unicode support: Yes
License: Freeware
How to extract: Download the ZIP package and extract to a folder of your choice. Launch Sleipnir.exe (found inside bin sub-folder).
Similar/alternative apps: Chromium, QupZilla
What's new? See Japanese changelog here.

7 comments on Sleipnir  The Portable Freeware Collection Latest Entries Feed

smaragdus 2016-08-03 20:48

English page is gone, latest versions (as of 2016.08.03)- 4.5.0 & 6.2.0.


smaragdus 2015-05-29 14:46

In fact the latest version of Sleipnir 4 series is
I agree with joby_toss that Sleipnir 6 is modern beyond usability.


joby_toss 2014-12-06 17:29

In my opinion, v6 is a step back (looks more "modern", but lacks versatility) compared to v4 (they are being worked on simultaneously).


Emka 2014-12-06 17:20

v6 is available


joby_toss 2013-11-22 20:00

I hope the newly released version 5 is a work in progress. It lacks so many functions! I'm really disappointed!


Ennovy 2013-11-22 17:10


Midas 2013-11-05 10:40

Some people claim that Sleipnir v3 (wich uses Webkit engine) was faster than Sleipnir v4 (which relies on Blink) -- the former v3.9.1 is still available for download from and

This version doesn't support the Gecko engine (see "Engine" at; the old v3 FAQ is at

(More info on the final v3 release at and


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