Icon of program: B1 Free Archiver

B1 Free Archiver for Mac

By Catalina GroupFreeUser Rating

Key Details of B1 Free Archiver

  • B1 Free Archiver is a 100% free multiplatform compression tool.
  • Last updated on 2/17/2017
  • There have been 8 updates
  • Virus scan status:

    Clean (it's extremely likely that this software program is clean)

Enlarged image for B1 Free Archiver

Editors' Review

Download.com staff

B1 Free Archiver is an all-in-one tool that can archive and unarchive files in a number of formats, all within a secondary interface on your device. Because B1 is designed as a universal tool, it handles all of the major formats, including RAR, ZIP, 7Z, and a proprietary B1 format to ensure you can unzip any file on your device. Considering the limitations of the Mac archive tool, this is a welcome set of features, especially in a tool that's free.

After installation, which involves moving the program to the Applications folder, you can open B1 to browse files on your computer. You'll get a full secondary Finder window where you can select and zip folders and files into any format you want. By default, B1 becomes your unzip option, as well, so when you download a new compressed file, it will open it for you, either in the browser or immediately unzipping into the same folder. The real value of B1 comes in the number of options it offers, though. With drag-and-drop support, archive within archive functionality, and password encryption you can take your efforts to the next level with this app.

If you are interested in an archiving app that is free, handles multiple formats, and allows you to protect your files much better than the default tools on your Mac allow, then B1 Free Archiver is a great download.

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Full Specifications

February 17, 2017
Latest update
February 17, 2017
Operating System
Mac OS X 10.6, OS X 10.11, OS X 10.10, Mac OS X 10.7, OS X 10.8, Mac OS X, OS X 10.9
Additional Requirements
Total Downloads
Downloads Last Week

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User Reviews


5 User Votes

Developer's Description

B1 Free Archiver is a 100% free multiplatform compression tool.
B1 Free Archiver is a 100% free compression tool for Mac as well as Windows, Android and Linux. It works with most popular formats - rar, zip, 7z as well as its own b1 format. B1 Free Archiver is very handy - most actions are performed in 2-3 clicks. Its latest improvements include password encryption, the possibility to choose and set default open action, full drag-and-drop support, archive in archive creation and navigation, keyboard navigation.