• B1 Free Archiver
  • B1 Online - extract from archives online
  • Unzip & unrar files in one click
  • Excellent and fast compression
  • Simple and friendly utility
  • Open .zip .rar .7z .b1 and more

Download B1 Free Archiver for Windows

What's new in 1.5:

better file preview, support for .001-.NNN archives, numerous bug fixes and improvements
Download B1 Free Archiver for Windows
Copyright © Catalina Group Ltd. All Rights Reserved
. B1 is a free file archiver which is available for all popular OS (Windows, Mac, Linux and Android)
and supports zip, rar and other common types of archives. Android is a trademark of Google Inc.